./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 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:21:13,562 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:21:13,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:21:13,595 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:21:13,595 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:21:13,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:21:13,598 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:21:13,600 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:21:13,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:21:13,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:21:13,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:21:13,606 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:21:13,607 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:21:13,608 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:21:13,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:21:13,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:21:13,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:21:13,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:21:13,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:21:13,618 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:21:13,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:21:13,621 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:21:13,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:21:13,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:21:13,627 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:21:13,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:21:13,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:21:13,629 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:21:13,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:21:13,631 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:21:13,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:21:13,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:21:13,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:21:13,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:21:13,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:21:13,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:21:13,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:21:13,636 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:21:13,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:21:13,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:21:13,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:21:13,639 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 18:21:13,663 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:21:13,663 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:21:13,664 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:21:13,664 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:21:13,665 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:21:13,665 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:21:13,665 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:21:13,666 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:21:13,666 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:21:13,666 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:21:13,666 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:21:13,666 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:21:13,667 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:21:13,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:21:13,667 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:21:13,667 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:21:13,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:21:13,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:21:13,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:21:13,672 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:21:13,673 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:21:13,673 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:21:13,673 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:21:13,673 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:21:13,673 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:21:13,674 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:21:13,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:21:13,674 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:21:13,674 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:21:13,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:21:13,675 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:21:13,675 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:21:13,676 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:21:13,676 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_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17ed4d99148ac6ada38ac6bc04d827b0b0eab6c02993086c8fdb9ca9151ff08c [2021-12-06 18:21:13,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:21:13,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:21:13,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:21:13,892 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:21:13,892 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:21:13,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loops/trex01-1.c [2021-12-06 18:21:13,935 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/data/e7b04863e/54aac2a8506d4c98931d1b7dbfb651fc/FLAG9e1965e4e [2021-12-06 18:21:14,312 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:21:14,313 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/sv-benchmarks/c/loops/trex01-1.c [2021-12-06 18:21:14,317 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/data/e7b04863e/54aac2a8506d4c98931d1b7dbfb651fc/FLAG9e1965e4e [2021-12-06 18:21:14,327 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/data/e7b04863e/54aac2a8506d4c98931d1b7dbfb651fc [2021-12-06 18:21:14,329 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:21:14,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:21:14,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:21:14,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:21:14,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:21:14,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e8118bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14, skipping insertion in model container [2021-12-06 18:21:14,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,341 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:21:14,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:21:14,456 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_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-12-06 18:21:14,466 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:21:14,473 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:21:14,481 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_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/sv-benchmarks/c/loops/trex01-1.c[320,333] [2021-12-06 18:21:14,485 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:21:14,496 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:21:14,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14 WrapperNode [2021-12-06 18:21:14,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:21:14,497 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:21:14,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:21:14,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:21:14,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,530 INFO L137 Inliner]: procedures = 15, calls = 10, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 91 [2021-12-06 18:21:14,530 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:21:14,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:21:14,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:21:14,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:21:14,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,539 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,541 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,549 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,550 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:21:14,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:21:14,553 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:21:14,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:21:14,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (1/1) ... [2021-12-06 18:21:14,562 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:14,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:14,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:14,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:21:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:21:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:21:14,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:21:14,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:21:14,683 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:21:14,685 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:21:14,772 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:21:14,777 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:21:14,777 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 18:21:14,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:14 BoogieIcfgContainer [2021-12-06 18:21:14,779 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:21:14,780 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:21:14,780 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:21:14,783 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:21:14,784 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:21:14,784 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:21:14" (1/3) ... [2021-12-06 18:21:14,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a98d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:21:14, skipping insertion in model container [2021-12-06 18:21:14,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:21:14,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:21:14" (2/3) ... [2021-12-06 18:21:14,786 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5a98d72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:21:14, skipping insertion in model container [2021-12-06 18:21:14,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:21:14,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:14" (3/3) ... [2021-12-06 18:21:14,788 INFO L388 chiAutomizerObserver]: Analyzing ICFG trex01-1.c [2021-12-06 18:21:14,833 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:21:14,833 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:21:14,833 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:21:14,833 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:21:14,833 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:21:14,833 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:21:14,834 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:21:14,834 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:21:14,849 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) [2021-12-06 18:21:14,869 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-06 18:21:14,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:14,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:14,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:21:14,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:21:14,875 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:21:14,876 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) [2021-12-06 18:21:14,880 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-06 18:21:14,880 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:14,880 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:14,881 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:21:14,881 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:21:14,887 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 [2021-12-06 18:21:14,887 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 [2021-12-06 18:21:14,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:14,893 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2021-12-06 18:21:14,902 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:14,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763382912] [2021-12-06 18:21:14,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:14,904 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:14,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:14,979 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:14,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:15,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:15,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:15,008 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2021-12-06 18:21:15,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:15,009 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2139051669] [2021-12-06 18:21:15,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:15,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:15,015 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:15,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:15,020 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:15,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:15,022 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2021-12-06 18:21:15,022 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:15,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177145008] [2021-12-06 18:21:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:15,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:15,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:15,036 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:15,050 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:15,223 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:15,223 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:15,224 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:15,224 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:15,224 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:15,224 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,224 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:15,224 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:15,224 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration1_Lasso [2021-12-06 18:21:15,224 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:15,225 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:15,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,275 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,291 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,294 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:15,445 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:15,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:15,449 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,451 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:21:15,452 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 [2021-12-06 18:21:15,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,464 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,464 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,487 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:15,491 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,492 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:21:15,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:21:15,536 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:21:15,539 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:15,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:15,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:15,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,579 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:21:15,579 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:21:15,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:15,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:15,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:15,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:21:15,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:21:15,612 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,619 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,621 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,621 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:21:15,644 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,645 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:21:15,647 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,654 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:21:15,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,689 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:21:15,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,706 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:21:15,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,741 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:21:15,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,753 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:21:15,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,776 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:21:15,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,787 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,791 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:21:15,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,811 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:21:15,812 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 [2021-12-06 18:21:15,819 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,819 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:15,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,820 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:15,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:15,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:15,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,846 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:21:15,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,855 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,859 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:15,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,878 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:21:15,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,888 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,888 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:21:15,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,910 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:21:15,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,921 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:15,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:21:15,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:15,953 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:15,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:15,974 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 18:21:15,974 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:15,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:15,975 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:15,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:21:15,976 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:15,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:15,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:15,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:15,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:15,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:15,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:15,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:15,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,003 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:16,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,004 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:21:16,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:16,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:16,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:16,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:16,035 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,035 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:21:16,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:16,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,045 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:16,045 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:16,046 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:21:16,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,066 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:21:16,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:16,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:16,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 18:21:16,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,100 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:21:16,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:16,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:16,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 18:21:16,135 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,135 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:21:16,136 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 [2021-12-06 18:21:16,143 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,143 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:16,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:16,152 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:16,158 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:21:16,159 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:21:16,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,161 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:21:16,164 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:16,172 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:16,172 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:16,173 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] [2021-12-06 18:21:16,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-12-06 18:21:16,196 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:16,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:16,229 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:21:16,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:16,248 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:16,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:16,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:16,272 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 [2021-12-06 18:21:16,273 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) [2021-12-06 18:21:16,328 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. [2021-12-06 18:21:16,330 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 [2021-12-06 18:21:16,333 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) [2021-12-06 18:21:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 81 transitions. [2021-12-06 18:21:16,335 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-06 18:21:16,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-06 18:21:16,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,336 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 81 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 18:21:16,336 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,337 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 111 transitions. [2021-12-06 18:21:16,341 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-12-06 18:21:16,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 26 states and 34 transitions. [2021-12-06 18:21:16,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-06 18:21:16,345 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 18:21:16,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 34 transitions. [2021-12-06 18:21:16,345 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:21:16,345 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 34 transitions. [2021-12-06 18:21:16,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 34 transitions. [2021-12-06 18:21:16,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 20. [2021-12-06 18:21:16,364 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) [2021-12-06 18:21:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 26 transitions. [2021-12-06 18:21:16,366 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-06 18:21:16,366 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-12-06 18:21:16,366 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:21:16,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 26 transitions. [2021-12-06 18:21:16,367 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 18:21:16,367 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:16,367 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:16,367 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:21:16,367 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:21:16,368 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 [2021-12-06 18:21:16,368 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 [2021-12-06 18:21:16,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,368 INFO L85 PathProgramCache]: Analyzing trace with hash 927240, now seen corresponding path program 1 times [2021-12-06 18:21:16,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:16,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704711639] [2021-12-06 18:21:16,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:16,369 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,376 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,385 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:16,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,385 INFO L85 PathProgramCache]: Analyzing trace with hash 101, now seen corresponding path program 1 times [2021-12-06 18:21:16,386 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:16,386 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603796017] [2021-12-06 18:21:16,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:16,386 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,389 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,393 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:16,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,393 INFO L85 PathProgramCache]: Analyzing trace with hash 28744510, now seen corresponding path program 1 times [2021-12-06 18:21:16,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:16,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124033925] [2021-12-06 18:21:16,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:16,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,402 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,410 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:16,502 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:16,502 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:16,502 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:16,502 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:16,502 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:16,502 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,502 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:16,502 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:16,502 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration2_Lasso [2021-12-06 18:21:16,502 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:16,502 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:16,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,529 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,543 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,551 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,554 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,557 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:16,659 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:16,659 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:16,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,663 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:21:16,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:16,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:16,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:16,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 18:21:16,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,732 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:21:16,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:16,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:16,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:16,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:16,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:16,761 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,762 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:21:16,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:16,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:16,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:16,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:16,770 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:16,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:16,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:16,780 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:16,786 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:21:16,786 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 18:21:16,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:16,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:16,788 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:16,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:21:16,789 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:16,801 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:16,801 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:16,801 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] [2021-12-06 18:21:16,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 18:21:16,822 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:16,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:16,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:21:16,841 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:16,854 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:16,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:16,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:16,855 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 [2021-12-06 18:21:16,855 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) [2021-12-06 18:21:16,889 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. [2021-12-06 18:21:16,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:16,890 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) [2021-12-06 18:21:16,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 18:21:16,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-06 18:21:16,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-06 18:21:16,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 18:21:16,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:16,891 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 44 transitions. [2021-12-06 18:21:16,892 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-12-06 18:21:16,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 27 states and 36 transitions. [2021-12-06 18:21:16,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-06 18:21:16,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 18:21:16,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2021-12-06 18:21:16,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:21:16,893 INFO L681 BuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2021-12-06 18:21:16,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2021-12-06 18:21:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2021-12-06 18:21:16,895 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) [2021-12-06 18:21:16,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 28 transitions. [2021-12-06 18:21:16,895 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-12-06 18:21:16,895 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 28 transitions. [2021-12-06 18:21:16,896 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:21:16,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 28 transitions. [2021-12-06 18:21:16,896 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:16,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:16,896 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:16,897 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:16,897 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:16,897 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 [2021-12-06 18:21:16,897 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 [2021-12-06 18:21:16,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,898 INFO L85 PathProgramCache]: Analyzing trace with hash 120463377, now seen corresponding path program 1 times [2021-12-06 18:21:16,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:16,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938534815] [2021-12-06 18:21:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:16,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:16,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 18:21:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:16,930 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:16,952 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 18:21:16,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938534815] [2021-12-06 18:21:16,953 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938534815] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 18:21:16,953 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 18:21:16,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 18:21:16,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691374370] [2021-12-06 18:21:16,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 18:21:16,955 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 18:21:16,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:16,956 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 1 times [2021-12-06 18:21:16,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:16,956 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285583882] [2021-12-06 18:21:16,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:16,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,959 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:16,963 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:16,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 18:21:16,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 18:21:16,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 18:21:16,987 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) [2021-12-06 18:21:17,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 18:21:17,012 INFO L93 Difference]: Finished difference Result 25 states and 30 transitions. [2021-12-06 18:21:17,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 18:21:17,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-12-06 18:21:17,013 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:17,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 21 states and 26 transitions. [2021-12-06 18:21:17,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-12-06 18:21:17,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-12-06 18:21:17,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 26 transitions. [2021-12-06 18:21:17,014 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:21:17,014 INFO L681 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-12-06 18:21:17,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 26 transitions. [2021-12-06 18:21:17,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2021-12-06 18:21:17,016 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) [2021-12-06 18:21:17,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2021-12-06 18:21:17,016 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-12-06 18:21:17,016 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 26 transitions. [2021-12-06 18:21:17,016 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:21:17,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 26 transitions. [2021-12-06 18:21:17,017 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:17,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:17,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:17,017 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:17,018 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:17,018 INFO L791 eck$LassoCheckResult]: Stem: 328#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 329#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 338#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 322#L16 assume !!(f_~k~0#1 <= 1073741823); 323#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 336#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 324#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 325#L6 assume !(0 == __VERIFIER_assert_~cond#1); 330#L6-2 assume { :end_inline___VERIFIER_assert } true; 331#L24-2 [2021-12-06 18:21:17,018 INFO L793 eck$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 [2021-12-06 18:21:17,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,018 INFO L85 PathProgramCache]: Analyzing trace with hash -558941100, now seen corresponding path program 1 times [2021-12-06 18:21:17,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711171459] [2021-12-06 18:21:17,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,019 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,026 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 2 times [2021-12-06 18:21:17,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021930727] [2021-12-06 18:21:17,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,035 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,038 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,041 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,042 INFO L85 PathProgramCache]: Analyzing trace with hash -271483749, now seen corresponding path program 1 times [2021-12-06 18:21:17,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60777604] [2021-12-06 18:21:17,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,051 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,221 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:17,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:17,221 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:17,221 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:17,221 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:17,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,222 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:17,222 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:17,222 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration4_Lasso [2021-12-06 18:21:17,222 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:17,222 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:17,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,250 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:17,375 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:17,375 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:17,375 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,376 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:21:17,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,385 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:17,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:17,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:17,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 18:21:17,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,405 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:21:17,407 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,415 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,417 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 18:21:17,435 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,436 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:21:17,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,446 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,446 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-12-06 18:21:17,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,468 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:21:17,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:17,498 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,499 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 18:21:17,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,511 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,529 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 18:21:17,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,530 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 18:21:17,531 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,565 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 18:21:17,566 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,566 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 18:21:17,567 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,575 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:17,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:17,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:17,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-12-06 18:21:17,595 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,596 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 18:21:17,597 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 [2021-12-06 18:21:17,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:17,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:17,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:17,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,624 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 18:21:17,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,625 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 18:21:17,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:17,633 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,633 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,633 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:17,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:17,635 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:17,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 18:21:17,653 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,654 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 18:21:17,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:17,662 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:17,662 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:17,662 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:17,662 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:17,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:17,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:17,668 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:17,674 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:21:17,674 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 18:21:17,674 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:17,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:17,677 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:17,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 18:21:17,678 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:17,686 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:17,686 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:17,686 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] [2021-12-06 18:21:17,705 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 18:21:17,708 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:17,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:17,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:17,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:17,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:17,771 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:17,772 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:17,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:17,784 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:17,784 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) [2021-12-06 18:21:17,806 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. [2021-12-06 18:21:17,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:17,808 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) [2021-12-06 18:21:17,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-06 18:21:17,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-06 18:21:17,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:17,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-06 18:21:17,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:17,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-06 18:21:17,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:17,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-12-06 18:21:17,810 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:17,811 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 26 states and 33 transitions. [2021-12-06 18:21:17,811 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-12-06 18:21:17,811 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2021-12-06 18:21:17,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-12-06 18:21:17,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:17,811 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-12-06 18:21:17,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-12-06 18:21:17,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2021-12-06 18:21:17,813 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) [2021-12-06 18:21:17,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-12-06 18:21:17,814 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-12-06 18:21:17,814 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-12-06 18:21:17,814 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 18:21:17,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-12-06 18:21:17,815 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:17,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:17,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:17,815 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:17,815 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:17,815 INFO L791 eck$LassoCheckResult]: Stem: 445#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 446#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 459#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 443#L16-1 assume !!(f_~k~0#1 <= 1073741823); 444#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 460#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 461#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 462#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 463#L6-5 assume { :end_inline___VERIFIER_assert } true; 449#L24-5 [2021-12-06 18:21:17,816 INFO L793 eck$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 [2021-12-06 18:21:17,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1032137369, now seen corresponding path program 1 times [2021-12-06 18:21:17,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057745891] [2021-12-06 18:21:17,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,833 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,833 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 1 times [2021-12-06 18:21:17,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017911291] [2021-12-06 18:21:17,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:17,841 INFO L85 PathProgramCache]: Analyzing trace with hash 253436750, now seen corresponding path program 1 times [2021-12-06 18:21:17,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:17,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630050885] [2021-12-06 18:21:17,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:17,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:17,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,849 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:17,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:17,995 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 18:21:18,002 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:18,002 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:18,003 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:18,003 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:18,003 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:18,003 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,003 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:18,003 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:18,003 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration5_Lasso [2021-12-06 18:21:18,003 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:18,003 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:18,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,016 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,018 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,021 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,030 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,042 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,044 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,045 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,046 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,154 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:18,154 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:18,154 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,156 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 18:21:18,157 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,165 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,165 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,187 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 18:21:18,188 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,196 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,196 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,218 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 18:21:18,219 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 [2021-12-06 18:21:18,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:18,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:18,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:18,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,247 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,248 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 18:21:18,249 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:18,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:18,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:18,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,276 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,276 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 18:21:18,278 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 [2021-12-06 18:21:18,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,286 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,286 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 18:21:18,306 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,307 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 18:21:18,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,341 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 18:21:18,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:18,372 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 18:21:18,372 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,372 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 18:21:18,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:18,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:18,381 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:18,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:18,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:18,382 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:18,382 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:18,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:18,391 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:21:18,391 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-12-06 18:21:18,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,392 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 18:21:18,393 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:18,400 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:18,400 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:18,400 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] [2021-12-06 18:21:18,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,421 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:18,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:18,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:18,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:18,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:18,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:18,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:18,484 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:18,484 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) [2021-12-06 18:21:18,502 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. [2021-12-06 18:21:18,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:18,503 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) [2021-12-06 18:21:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-12-06 18:21:18,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 2 letters. [2021-12-06 18:21:18,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:18,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-06 18:21:18,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:18,503 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 9 letters. Loop has 4 letters. [2021-12-06 18:21:18,503 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:18,504 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-12-06 18:21:18,504 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:18,505 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2021-12-06 18:21:18,505 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 18:21:18,505 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 18:21:18,505 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2021-12-06 18:21:18,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:18,505 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-12-06 18:21:18,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2021-12-06 18:21:18,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-12-06 18:21:18,507 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) [2021-12-06 18:21:18,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-12-06 18:21:18,507 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-12-06 18:21:18,507 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-12-06 18:21:18,507 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 18:21:18,507 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2021-12-06 18:21:18,508 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:21:18,508 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:18,508 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:18,508 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:18,508 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:21:18,508 INFO L791 eck$LassoCheckResult]: Stem: 570#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 571#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 587#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 564#L16 assume !!(f_~k~0#1 <= 1073741823); 565#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 584#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 566#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 567#L6 assume !(0 == __VERIFIER_assert_~cond#1); 572#L6-2 assume { :end_inline___VERIFIER_assert } true; 573#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 583#L24 assume 0 != f_~c~0#1 % 256; 585#L25 [2021-12-06 18:21:18,508 INFO L793 eck$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 [2021-12-06 18:21:18,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:18,509 INFO L85 PathProgramCache]: Analyzing trace with hash -271483753, now seen corresponding path program 1 times [2021-12-06 18:21:18,509 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:18,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509249963] [2021-12-06 18:21:18,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:18,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,515 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:18,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:18,522 INFO L85 PathProgramCache]: Analyzing trace with hash 76305, now seen corresponding path program 1 times [2021-12-06 18:21:18,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:18,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599494326] [2021-12-06 18:21:18,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:18,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,525 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,528 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:18,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:18,528 INFO L85 PathProgramCache]: Analyzing trace with hash -349020741, now seen corresponding path program 1 times [2021-12-06 18:21:18,528 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:18,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619624179] [2021-12-06 18:21:18,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:18,529 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:18,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:18,544 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:18,573 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:18,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:18,574 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:18,574 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:18,574 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:21:18,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:18,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:18,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Loop [2021-12-06 18:21:18,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:18,574 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:18,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,622 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:18,622 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:21:18,624 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,624 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 18:21:18,625 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:18,625 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:18,639 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:18,639 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: [] [2021-12-06 18:21:18,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 18:21:18,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,658 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 18:21:18,659 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:18,659 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:18,676 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:18,676 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: [] [2021-12-06 18:21:18,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 18:21:18,694 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,695 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 18:21:18,700 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:18,700 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:18,718 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:18,718 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: [] [2021-12-06 18:21:18,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 18:21:18,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,737 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 18:21:18,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:18,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:18,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:18,765 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:18,765 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:18,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 18:21:18,766 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:21:18,766 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:18,787 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:18,787 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] [2021-12-06 18:21:18,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 18:21:18,953 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:18,953 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:18,953 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:18,953 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:18,953 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:18,953 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:18,953 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:18,953 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:18,953 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration6_Lasso [2021-12-06 18:21:18,953 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:18,953 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:18,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:18,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:19,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 18:21:19,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:19,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:19,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,142 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 18:21:19,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,154 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,172 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,173 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 18:21:19,174 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:19,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:19,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:19,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,200 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,200 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,201 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 18:21:19,202 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,210 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,210 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 18:21:19,231 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,232 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 18:21:19,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 18:21:19,261 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,262 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 18:21:19,263 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 [2021-12-06 18:21:19,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,273 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,292 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 18:21:19,293 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,300 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-12-06 18:21:19,322 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,323 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 18:21:19,324 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:19,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,331 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:19,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:19,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 18:21:19,350 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,351 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 18:21:19,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,360 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,380 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,380 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 18:21:19,381 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,390 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,390 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,412 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 18:21:19,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,413 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 18:21:19,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 18:21:19,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,444 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 18:21:19,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,453 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,453 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,473 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,474 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 18:21:19,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,483 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,483 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,506 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 18:21:19,507 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,514 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,514 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:19,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,514 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:19,514 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:19,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,533 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 18:21:19,533 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,534 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 18:21:19,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,542 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,542 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,542 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,543 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,543 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 18:21:19,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,564 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 18:21:19,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,574 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,574 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,596 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 18:21:19,596 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,596 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,597 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 18:21:19,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,606 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:19,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,627 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 18:21:19,629 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 [2021-12-06 18:21:19,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,639 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 18:21:19,657 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,657 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 18:21:19,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 18:21:19,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,688 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 18:21:19,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:19,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:19,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:19,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 18:21:19,716 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,716 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 18:21:19,718 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,728 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 18:21:19,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,754 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 18:21:19,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,766 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,784 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 18:21:19,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,784 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 18:21:19,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:19,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:19,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:19,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:19,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 18:21:19,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,812 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 18:21:19,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:19,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:19,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:19,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:19,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:19,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:19,824 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:19,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:19,832 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:21:19,833 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:21:19,833 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:19,833 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:19,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 18:21:19,834 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:19,842 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:19,842 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:19,842 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] [2021-12-06 18:21:19,860 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 18:21:19,863 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:19,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:19,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:19,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:19,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:19,920 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:19,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:19,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:19,939 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 [2021-12-06 18:21:19,939 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) [2021-12-06 18:21:19,960 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. [2021-12-06 18:21:19,960 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 [2021-12-06 18:21:19,961 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) [2021-12-06 18:21:19,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-06 18:21:19,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-06 18:21:19,961 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:19,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-06 18:21:19,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:19,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2021-12-06 18:21:19,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:19,962 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 51 transitions. [2021-12-06 18:21:19,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:21:19,963 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 46 transitions. [2021-12-06 18:21:19,963 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 18:21:19,963 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 18:21:19,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 46 transitions. [2021-12-06 18:21:19,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:19,963 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-06 18:21:19,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 46 transitions. [2021-12-06 18:21:19,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2021-12-06 18:21:19,965 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) [2021-12-06 18:21:19,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 45 transitions. [2021-12-06 18:21:19,965 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-12-06 18:21:19,965 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-12-06 18:21:19,965 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 18:21:19,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 45 transitions. [2021-12-06 18:21:19,966 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:21:19,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:19,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:19,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:19,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:21:19,966 INFO L791 eck$LassoCheckResult]: Stem: 719#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 720#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 736#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 717#L16-1 assume !!(f_~k~0#1 <= 1073741823); 718#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 737#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 738#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 739#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 740#L6-5 assume { :end_inline___VERIFIER_assert } true; 741#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 727#L24-3 assume 0 != f_~c~0#1 % 256; 735#L25-1 [2021-12-06 18:21:19,967 INFO L793 eck$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 [2021-12-06 18:21:19,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:19,967 INFO L85 PathProgramCache]: Analyzing trace with hash 253436746, now seen corresponding path program 1 times [2021-12-06 18:21:19,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:19,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014375009] [2021-12-06 18:21:19,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:19,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,977 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:19,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:19,977 INFO L85 PathProgramCache]: Analyzing trace with hash 126948, now seen corresponding path program 1 times [2021-12-06 18:21:19,977 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:19,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314898467] [2021-12-06 18:21:19,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:19,978 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,980 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:19,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:19,983 INFO L85 PathProgramCache]: Analyzing trace with hash -418309125, now seen corresponding path program 1 times [2021-12-06 18:21:19,983 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:19,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044679079] [2021-12-06 18:21:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:19,983 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,989 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:19,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:20,022 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:20,022 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:20,023 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:20,023 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:20,023 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:21:20,023 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,023 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:20,023 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:20,023 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Loop [2021-12-06 18:21:20,023 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:20,023 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:20,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,029 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,072 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:20,072 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:21:20,072 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,073 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 18:21:20,074 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:20,074 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:20,099 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 18:21:20,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,100 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,101 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 18:21:20,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:21:20,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:20,121 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:20,121 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] [2021-12-06 18:21:20,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,139 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,139 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 18:21:20,140 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:20,140 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:20,158 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:20,158 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: [] [2021-12-06 18:21:20,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,176 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,176 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 18:21:20,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:20,178 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:20,190 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:20,190 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: [] [2021-12-06 18:21:20,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,208 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,209 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 18:21:20,210 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:21:20,210 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:21:20,229 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:21:20,230 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: [] [2021-12-06 18:21:20,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 18:21:20,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 18:21:20,403 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:20,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:20,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:20,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:20,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:20,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:20,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:20,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration7_Lasso [2021-12-06 18:21:20,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:20,404 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:20,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,406 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,411 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:20,576 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:20,576 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:20,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,577 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 18:21:20,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,586 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,586 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 18:21:20,606 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,607 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 18:21:20,608 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,615 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,615 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,637 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 18:21:20,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,647 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,647 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,651 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,669 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,669 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 18:21:20,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,678 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,678 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:20,678 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,678 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:20,678 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:20,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,699 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 18:21:20,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:20,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:20,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:20,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,726 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,727 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 18:21:20,728 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,735 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,736 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,736 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,756 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,757 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 18:21:20,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 18:21:20,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,789 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 18:21:20,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,798 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,798 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:20,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 18:21:20,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,819 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 18:21:20,820 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:20,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:20,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:20,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:20,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:20,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:20,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:20,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:20,842 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-06 18:21:20,842 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-06 18:21:20,842 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:20,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:20,843 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:20,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 18:21:20,844 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:20,851 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:20,852 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:20,852 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] [2021-12-06 18:21:20,871 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:20,874 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:20,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:20,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:20,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:20,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:20,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:20,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:20,949 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 [2021-12-06 18:21:20,950 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) [2021-12-06 18:21:20,974 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. [2021-12-06 18:21:20,974 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 [2021-12-06 18:21:20,974 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) [2021-12-06 18:21:20,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-06 18:21:20,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 3 letters. [2021-12-06 18:21:20,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:20,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 3 letters. [2021-12-06 18:21:20,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:20,975 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 11 letters. Loop has 6 letters. [2021-12-06 18:21:20,975 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:20,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 58 transitions. [2021-12-06 18:21:20,976 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:20,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 40 states and 53 transitions. [2021-12-06 18:21:20,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2021-12-06 18:21:20,977 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 18:21:20,977 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 53 transitions. [2021-12-06 18:21:20,977 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:20,977 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2021-12-06 18:21:20,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 53 transitions. [2021-12-06 18:21:20,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2021-12-06 18:21:20,978 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) [2021-12-06 18:21:20,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2021-12-06 18:21:20,979 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-12-06 18:21:20,979 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-12-06 18:21:20,979 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 18:21:20,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 52 transitions. [2021-12-06 18:21:20,979 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:20,979 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:20,979 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:20,980 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:20,980 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:20,980 INFO L791 eck$LassoCheckResult]: Stem: 882#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 883#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 895#L37 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 872#L16 assume !!(f_~k~0#1 <= 1073741823); 873#L19-1 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 892#L19-1 assume !(f_~z~0#1 < f_~k~0#1); 874#L19-2 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 875#L6 assume !(0 == __VERIFIER_assert_~cond#1); 884#L6-2 assume { :end_inline___VERIFIER_assert } true; 885#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 905#L24 assume 0 != f_~c~0#1 % 256; 890#L25 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 888#L24-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 889#L24 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 886#L24-2 [2021-12-06 18:21:20,980 INFO L793 eck$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 [2021-12-06 18:21:20,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:20,980 INFO L85 PathProgramCache]: Analyzing trace with hash -349020737, now seen corresponding path program 1 times [2021-12-06 18:21:20,980 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:20,980 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096806786] [2021-12-06 18:21:20,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:20,981 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:20,986 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:20,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:20,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:20,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 3 times [2021-12-06 18:21:20,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:20,994 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423691277] [2021-12-06 18:21:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:20,994 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:20,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:20,996 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:20,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:20,997 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:20,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:20,997 INFO L85 PathProgramCache]: Analyzing trace with hash -401477818, now seen corresponding path program 2 times [2021-12-06 18:21:20,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:20,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189870185] [2021-12-06 18:21:20,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:20,998 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:21,004 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:21,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:21,254 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:21,254 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:21,254 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:21,254 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:21,255 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:21,255 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,255 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:21,255 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:21,255 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration8_Lasso [2021-12-06 18:21:21,255 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:21,255 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:21,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,287 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 18:21:21,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,302 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,311 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:21,448 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:21,448 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:21,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,449 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 18:21:21,450 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 [2021-12-06 18:21:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:21,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:21,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:21,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 18:21:21,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,478 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 18:21:21,479 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,487 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 18:21:21,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,508 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 18:21:21,510 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 [2021-12-06 18:21:21,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,538 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 18:21:21,539 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,539 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 18:21:21,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,548 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 18:21:21,568 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,569 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 18:21:21,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 18:21:21,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,600 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 18:21:21,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:21,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,630 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 18:21:21,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,638 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,642 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 18:21:21,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,660 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 18:21:21,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,669 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,669 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 18:21:21,689 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,690 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 18:21:21,691 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:21,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,698 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,699 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:21,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:21,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,717 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 18:21:21,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,718 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 18:21:21,719 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 [2021-12-06 18:21:21,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,727 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,727 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,729 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 18:21:21,748 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,748 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 18:21:21,750 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,756 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,757 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,759 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,759 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,761 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 18:21:21,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,783 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 18:21:21,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,792 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 18:21:21,812 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,813 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 18:21:21,814 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:21,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:21,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:21,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 18:21:21,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,841 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 18:21:21,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,849 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,849 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,849 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,849 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,850 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,850 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,853 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-06 18:21:21,871 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,871 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 18:21:21,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,900 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 18:21:21,900 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,901 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 18:21:21,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,931 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 18:21:21,931 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,932 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 18:21:21,933 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 [2021-12-06 18:21:21,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:21,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:21,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 18:21:21,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,962 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 18:21:21,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,970 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:21,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,971 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:21,971 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:21,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:21,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 18:21:21,990 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:21,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:21,990 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:21,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 18:21:21,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:21,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:21,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:21,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:21,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:21,999 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,002 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:22,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,021 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 18:21:22,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,037 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:22,042 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:21:22,042 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 18:21:22,042 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,043 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 18:21:22,044 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:22,051 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:22,052 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:22,052 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] [2021-12-06 18:21:22,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 18:21:22,072 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:22,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:22,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:22,090 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:22,091 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:22,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:22,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:22,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:22,148 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:22,148 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) [2021-12-06 18:21:22,163 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. [2021-12-06 18:21:22,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:22,164 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) [2021-12-06 18:21:22,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 18:21:22,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2021-12-06 18:21:22,164 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:22,164 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:22,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:22,165 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-06 18:21:22,165 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:22,165 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 74 transitions. [2021-12-06 18:21:22,165 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:22,166 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 49 states and 64 transitions. [2021-12-06 18:21:22,166 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-06 18:21:22,166 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 18:21:22,166 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 64 transitions. [2021-12-06 18:21:22,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:22,166 INFO L681 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-12-06 18:21:22,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 64 transitions. [2021-12-06 18:21:22,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 47. [2021-12-06 18:21:22,168 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) [2021-12-06 18:21:22,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2021-12-06 18:21:22,169 INFO L704 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-12-06 18:21:22,169 INFO L587 BuchiCegarLoop]: Abstraction has 47 states and 62 transitions. [2021-12-06 18:21:22,169 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 18:21:22,169 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 47 states and 62 transitions. [2021-12-06 18:21:22,169 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:22,169 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:22,169 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:22,169 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:22,170 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:22,170 INFO L791 eck$LassoCheckResult]: Stem: 1063#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1064#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet9#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 1077#L37 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet4#1, f_#t~nondet5#1, f_#t~nondet6#1, f_#t~nondet7#1, f_#t~nondet8#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~y~0#1 := f_#t~nondet5#1;havoc f_#t~nondet5#1;f_~k~0#1 := f_#t~nondet6#1;havoc f_#t~nondet6#1;f_~z~0#1 := 1; 1056#L16-1 assume !!(f_~k~0#1 <= 1073741823); 1057#L19-4 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 1078#L19-4 assume !(f_~z~0#1 < f_~k~0#1); 1079#L19-5 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 2 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1080#L6-3 assume !(0 == __VERIFIER_assert_~cond#1); 1081#L6-5 assume { :end_inline___VERIFIER_assert } true; 1058#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1060#L24-3 assume 0 != f_~c~0#1 % 256; 1075#L25-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet8#1 % 256;havoc f_#t~nondet8#1;f_~z~0#1 := f_~z~0#1 - 1; 1061#L24-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet7#1;havoc f_#t~nondet7#1; 1062#L24-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1083#L24-5 [2021-12-06 18:21:22,170 INFO L793 eck$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 [2021-12-06 18:21:22,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:22,170 INFO L85 PathProgramCache]: Analyzing trace with hash -418309121, now seen corresponding path program 1 times [2021-12-06 18:21:22,170 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:22,170 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471169657] [2021-12-06 18:21:22,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:22,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:22,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,176 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:22,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:22,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:22,182 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 2 times [2021-12-06 18:21:22,182 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:22,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2007861781] [2021-12-06 18:21:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:22,183 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:22,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:22,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,186 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:22,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:22,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1731863526, now seen corresponding path program 2 times [2021-12-06 18:21:22,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:22,187 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268779493] [2021-12-06 18:21:22,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:22,187 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,192 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:22,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:22,199 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:22,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-06 18:21:22,428 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:22,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:22,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:22,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:22,428 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:22,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:22,429 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:22,429 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration9_Lasso [2021-12-06 18:21:22,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:22,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:22,430 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,449 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,464 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:22,608 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:22,608 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:22,608 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,609 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 18:21:22,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:22,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:22,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:22,618 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 18:21:22,636 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,637 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 18:21:22,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,646 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,646 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 18:21:22,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,667 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 18:21:22,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 18:21:22,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,697 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 18:21:22,698 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-12-06 18:21:22,728 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,729 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 18:21:22,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,738 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,738 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,758 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 18:21:22,758 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,759 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 18:21:22,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:22,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:22,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:22,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 18:21:22,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,788 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 18:21:22,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,802 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,819 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:22,820 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,820 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 18:21:22,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,829 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,829 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:22,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,850 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 18:21:22,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,880 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 18:21:22,880 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,881 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 18:21:22,882 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,889 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:21:22,889 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,889 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:21:22,890 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:21:22,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 18:21:22,909 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,910 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 18:21:22,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,919 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,919 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:21:22,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-12-06 18:21:22,940 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,940 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 18:21:22,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:22,949 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:22,949 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:22,949 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:22,949 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:22,951 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:22,951 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:22,956 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:22,962 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:21:22,963 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 4 variables to zero. [2021-12-06 18:21:22,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:22,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:22,963 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:22,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 18:21:22,964 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:22,971 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:22,972 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:22,972 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] [2021-12-06 18:21:22,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 18:21:22,992 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:23,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:23,076 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:23,077 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) [2021-12-06 18:21:23,096 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. [2021-12-06 18:21:23,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:23,097 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) [2021-12-06 18:21:23,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 18:21:23,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 2 letters. [2021-12-06 18:21:23,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:23,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,097 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 14 letters. Loop has 4 letters. [2021-12-06 18:21:23,097 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,098 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 84 transitions. [2021-12-06 18:21:23,098 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:23,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 57 states and 74 transitions. [2021-12-06 18:21:23,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-06 18:21:23,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 27 [2021-12-06 18:21:23,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 74 transitions. [2021-12-06 18:21:23,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:23,099 INFO L681 BuchiCegarLoop]: Abstraction has 57 states and 74 transitions. [2021-12-06 18:21:23,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 74 transitions. [2021-12-06 18:21:23,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2021-12-06 18:21:23,101 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) [2021-12-06 18:21:23,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 72 transitions. [2021-12-06 18:21:23,102 INFO L704 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-12-06 18:21:23,102 INFO L587 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-12-06 18:21:23,102 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 18:21:23,102 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 72 transitions. [2021-12-06 18:21:23,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:21:23,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:23,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:23,103 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:23,103 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:23,103 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 [2021-12-06 18:21:23,103 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 [2021-12-06 18:21:23,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,103 INFO L85 PathProgramCache]: Analyzing trace with hash -291491368, now seen corresponding path program 3 times [2021-12-06 18:21:23,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608429555] [2021-12-06 18:21:23,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,109 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,115 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:23,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2312, now seen corresponding path program 4 times [2021-12-06 18:21:23,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [516274322] [2021-12-06 18:21:23,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,118 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:23,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,120 INFO L85 PathProgramCache]: Analyzing trace with hash -950329057, now seen corresponding path program 4 times [2021-12-06 18:21:23,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451193173] [2021-12-06 18:21:23,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,125 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,132 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:23,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-12-06 18:21:23,387 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:23,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:23,387 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:23,387 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:23,387 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:23,387 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:23,387 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:23,387 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:23,387 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration10_Lasso [2021-12-06 18:21:23,387 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:23,387 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:23,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,398 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,400 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,401 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,412 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,419 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,424 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:23,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:23,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:23,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:23,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:23,561 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:23,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 18:21:23,562 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 [2021-12-06 18:21:23,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:23,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:23,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:23,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:23,573 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:23,573 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:23,578 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:23,583 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:21:23,583 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-12-06 18:21:23,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:23,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:23,584 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:23,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 18:21:23,585 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:23,592 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:23,592 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:23,592 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] [2021-12-06 18:21:23,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-12-06 18:21:23,613 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:23,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:23,697 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:23,698 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) [2021-12-06 18:21:23,714 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. [2021-12-06 18:21:23,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:23,715 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) [2021-12-06 18:21:23,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 18:21:23,715 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:23,715 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,716 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:21:23,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:23,800 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:23,801 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) [2021-12-06 18:21:23,816 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. [2021-12-06 18:21:23,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:23,817 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) [2021-12-06 18:21:23,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-12-06 18:21:23,817 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:23,817 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,817 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:21:23,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,834 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:23,890 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:23,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:23,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:23,901 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:23,901 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) [2021-12-06 18:21:23,921 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. [2021-12-06 18:21:23,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:23,922 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) [2021-12-06 18:21:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2021-12-06 18:21:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:21:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 18:21:23,923 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:23,924 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 85 transitions. [2021-12-06 18:21:23,924 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:21:23,925 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 29 states and 37 transitions. [2021-12-06 18:21:23,925 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2021-12-06 18:21:23,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2021-12-06 18:21:23,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2021-12-06 18:21:23,925 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:21:23,925 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-12-06 18:21:23,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2021-12-06 18:21:23,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-12-06 18:21:23,927 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) [2021-12-06 18:21:23,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 37 transitions. [2021-12-06 18:21:23,928 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-12-06 18:21:23,928 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 37 transitions. [2021-12-06 18:21:23,928 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 18:21:23,928 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 37 transitions. [2021-12-06 18:21:23,928 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:21:23,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:21:23,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:21:23,929 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:21:23,929 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:21:23,929 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 [2021-12-06 18:21:23,929 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 [2021-12-06 18:21:23,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,929 INFO L85 PathProgramCache]: Analyzing trace with hash 1841849976, now seen corresponding path program 3 times [2021-12-06 18:21:23,930 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232302994] [2021-12-06 18:21:23,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,937 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:23,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,945 INFO L85 PathProgramCache]: Analyzing trace with hash 3944, now seen corresponding path program 3 times [2021-12-06 18:21:23,945 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409534512] [2021-12-06 18:21:23,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,946 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,948 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:23,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:23,951 INFO L85 PathProgramCache]: Analyzing trace with hash 491303967, now seen corresponding path program 4 times [2021-12-06 18:21:23,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:21:23,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295137288] [2021-12-06 18:21:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:21:23,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:21:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:21:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:21:23,966 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:21:24,093 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-12-06 18:21:24,218 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:21:24,219 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:21:24,219 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:21:24,219 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:21:24,219 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:21:24,219 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:24,219 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:21:24,219 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:21:24,219 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-1.c_Iteration11_Lasso [2021-12-06 18:21:24,219 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:21:24,219 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:21:24,220 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,226 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,265 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:21:24,382 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:21:24,382 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:21:24,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:24,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:24,383 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:24,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 18:21:24,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:21:24,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:21:24,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:21:24,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:21:24,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:21:24,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:21:24,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:21:24,398 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:21:24,404 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:21:24,404 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-06 18:21:24,404 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:21:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:21:24,405 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:21:24,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 18:21:24,405 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:21:24,413 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:21:24,413 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:21:24,413 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] [2021-12-06 18:21:24,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-12-06 18:21:24,434 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:21:24,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,513 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,514 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:24,522 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:24,522 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) [2021-12-06 18:21:24,535 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. [2021-12-06 18:21:24,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:24,536 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) [2021-12-06 18:21:24,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-12-06 18:21:24,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:24,537 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:24,537 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:21:24,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,606 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:24,615 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:24,615 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) [2021-12-06 18:21:24,627 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. [2021-12-06 18:21:24,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:24,628 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) [2021-12-06 18:21:24,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-12-06 18:21:24,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:24,628 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:24,628 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:21:24,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:21:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,646 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:21:24,709 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:21:24,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:21:24,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:21:24,719 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:21:24,720 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) [2021-12-06 18:21:24,734 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. [2021-12-06 18:21:24,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:21:24,735 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) [2021-12-06 18:21:24,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2021-12-06 18:21:24,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:21:24,735 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:24,735 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:21:24,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:24,736 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 18:21:24,736 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:21:24,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 50 transitions. [2021-12-06 18:21:24,736 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:21:24,736 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 0 states and 0 transitions. [2021-12-06 18:21:24,736 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:21:24,737 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:21:24,737 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:21:24,737 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:21:24,737 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:21:24,737 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:21:24,737 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:21:24,737 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 18:21:24,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:21:24,737 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:21:24,737 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:21:24,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:21:24 BoogieIcfgContainer [2021-12-06 18:21:24,741 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:21:24,742 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:21:24,742 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:21:24,742 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:21:24,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:21:14" (3/4) ... [2021-12-06 18:21:24,744 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:21:24,744 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:21:24,744 INFO L158 Benchmark]: Toolchain (without parser) took 10413.84ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 98.2MB in the beginning and 58.2MB in the end (delta: 40.1MB). Peak memory consumption was 73.4MB. Max. memory is 16.1GB. [2021-12-06 18:21:24,744 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:21:24,745 INFO L158 Benchmark]: CACSL2BoogieTranslator took 164.93ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 88.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:21:24,745 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.99ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:21:24,745 INFO L158 Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 140.5MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:21:24,745 INFO L158 Benchmark]: RCFGBuilder took 225.74ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 112.7MB in the end (delta: -27.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-12-06 18:21:24,746 INFO L158 Benchmark]: BuchiAutomizer took 9961.77ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 59.2MB in the end (delta: 53.5MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. [2021-12-06 18:21:24,746 INFO L158 Benchmark]: Witness Printer took 2.23ms. Allocated memory is still 172.0MB. Free memory was 59.2MB in the beginning and 58.2MB in the end (delta: 983.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:21:24,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 140.5MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 164.93ms. Allocated memory is still 140.5MB. Free memory was 98.0MB in the beginning and 88.5MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.99ms. Allocated memory is still 140.5MB. Free memory was 88.5MB in the beginning and 86.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.84ms. Allocated memory is still 140.5MB. Free memory was 86.9MB in the beginning and 85.8MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.74ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 112.7MB in the end (delta: -27.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 9961.77ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 112.7MB in the beginning and 59.2MB in the end (delta: 53.5MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB. * Witness Printer took 2.23ms. Allocated memory is still 172.0MB. Free memory was 59.2MB in the beginning and 58.2MB in the end (delta: 983.3kB). 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 9.9s and 12 iterations. TraceHistogramMax:3. Analysis of lassos took 8.3s. Construction of modules took 0.1s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 7. Automata minimization 0.0s 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 450 mSDsluCounter, 411 SdHoareTripleChecker+Invalid, 0.1s 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: 19ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 18:21:24,770 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 18:21:25,008 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_991d2d6a-32d3-4ad2-bbbd-c5ae7e1bd8b7/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE