./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/c.02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/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_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/c.02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ec6e9d2be73321164eafccfcba6c9ab6d46693cbd28502eb52f7ed5ea8ae4935 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 17:21:04,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 17:21:04,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 17:21:04,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 17:21:04,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 17:21:04,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 17:21:04,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 17:21:04,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 17:21:04,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 17:21:04,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 17:21:04,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 17:21:04,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 17:21:04,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 17:21:04,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 17:21:04,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 17:21:04,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 17:21:04,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 17:21:04,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 17:21:04,570 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 17:21:04,572 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 17:21:04,573 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 17:21:04,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 17:21:04,576 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 17:21:04,576 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 17:21:04,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 17:21:04,579 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 17:21:04,580 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 17:21:04,581 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 17:21:04,581 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 17:21:04,582 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 17:21:04,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 17:21:04,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 17:21:04,583 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 17:21:04,584 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 17:21:04,585 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 17:21:04,585 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 17:21:04,585 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 17:21:04,585 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 17:21:04,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 17:21:04,586 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 17:21:04,587 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 17:21:04,587 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 17:21:04,611 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 17:21:04,611 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 17:21:04,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 17:21:04,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 17:21:04,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 17:21:04,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 17:21:04,613 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 17:21:04,613 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 17:21:04,613 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 17:21:04,613 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 17:21:04,613 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 17:21:04,614 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 17:21:04,614 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 17:21:04,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 17:21:04,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 17:21:04,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 17:21:04,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 17:21:04,615 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 17:21:04,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 17:21:04,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 17:21:04,616 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 17:21:04,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 17:21:04,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 17:21:04,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 17:21:04,617 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 17:21:04,618 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_fa04b902-86af-48fa-b003-0e1d4db47bc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec6e9d2be73321164eafccfcba6c9ab6d46693cbd28502eb52f7ed5ea8ae4935 [2021-12-06 17:21:04,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 17:21:04,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 17:21:04,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 17:21:04,813 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 17:21:04,813 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 17:21:04,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-restricted-15/c.02.c [2021-12-06 17:21:04,856 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/data/b8e518bd8/c5015a7e7bf942edbf02a78844cc6321/FLAGb8cebce15 [2021-12-06 17:21:05,273 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 17:21:05,273 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/sv-benchmarks/c/termination-restricted-15/c.02.c [2021-12-06 17:21:05,277 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/data/b8e518bd8/c5015a7e7bf942edbf02a78844cc6321/FLAGb8cebce15 [2021-12-06 17:21:05,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/data/b8e518bd8/c5015a7e7bf942edbf02a78844cc6321 [2021-12-06 17:21:05,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 17:21:05,290 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 17:21:05,292 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 17:21:05,292 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 17:21:05,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 17:21:05,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa954c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05, skipping insertion in model container [2021-12-06 17:21:05,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 17:21:05,310 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 17:21:05,412 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:21:05,415 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 17:21:05,424 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 17:21:05,432 INFO L208 MainTranslator]: Completed translation [2021-12-06 17:21:05,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05 WrapperNode [2021-12-06 17:21:05,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 17:21:05,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 17:21:05,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 17:21:05,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 17:21:05,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,453 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2021-12-06 17:21:05,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 17:21:05,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 17:21:05,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 17:21:05,454 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 17:21:05,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,460 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,460 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,463 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,464 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,465 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 17:21:05,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 17:21:05,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 17:21:05,466 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 17:21:05,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (1/1) ... [2021-12-06 17:21:05,472 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:05,489 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:05,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 17:21:05,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 17:21:05,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 17:21:05,565 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 17:21:05,566 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 17:21:05,612 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 17:21:05,618 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 17:21:05,618 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-06 17:21:05,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:05 BoogieIcfgContainer [2021-12-06 17:21:05,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 17:21:05,621 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 17:21:05,621 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 17:21:05,624 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 17:21:05,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:21:05,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 05:21:05" (1/3) ... [2021-12-06 17:21:05,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48c0ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:21:05, skipping insertion in model container [2021-12-06 17:21:05,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:21:05,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:21:05" (2/3) ... [2021-12-06 17:21:05,627 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@48c0ef4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 05:21:05, skipping insertion in model container [2021-12-06 17:21:05,627 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 17:21:05,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:05" (3/3) ... [2021-12-06 17:21:05,629 INFO L388 chiAutomizerObserver]: Analyzing ICFG c.02.c [2021-12-06 17:21:05,677 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 17:21:05,678 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 17:21:05,678 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 17:21:05,678 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 17:21:05,678 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 17:21:05,678 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 17:21:05,678 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 17:21:05,678 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 17:21:05,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:05,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:21:05,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:21:05,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:21:05,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 17:21:05,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:21:05,710 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 17:21:05,711 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:05,711 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 17:21:05,712 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:21:05,712 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:21:05,712 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-12-06 17:21:05,712 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 17:21:05,717 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 4#L10-2true [2021-12-06 17:21:05,717 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 7#L13-2true assume !(main_~x~0#1 > main_~y~0#1); 9#L13-3true main_~x~0#1 := main_~x~0#1 - 2; 4#L10-2true [2021-12-06 17:21:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-12-06 17:21:05,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:05,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619593065] [2021-12-06 17:21:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:05,729 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,784 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,797 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:05,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:05,799 INFO L85 PathProgramCache]: Analyzing trace with hash 40944, now seen corresponding path program 1 times [2021-12-06 17:21:05,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:05,800 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755443058] [2021-12-06 17:21:05,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:05,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,809 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:05,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,815 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:05,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:05,816 INFO L85 PathProgramCache]: Analyzing trace with hash 28699886, now seen corresponding path program 1 times [2021-12-06 17:21:05,816 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:05,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753945029] [2021-12-06 17:21:05,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:05,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,824 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:05,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:05,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:05,919 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:05,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:05,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:05,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:05,920 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:21:05,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:05,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:05,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:05,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration1_Loop [2021-12-06 17:21:05,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:05,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:05,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:05,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:05,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,022 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:06,023 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:21:06,025 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,026 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 17:21:06,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,052 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:21:06,052 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:21:06,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 17:21:06,085 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,086 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,087 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 17:21:06,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,104 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:21:06,104 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:21:06,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 17:21:06,123 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 17:21:06,125 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,125 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 17:21:06,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,161 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 17:21:06,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:21:06,163 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,287 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:21:06,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 17:21:06,290 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:06,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:06,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:06,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:06,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:21:06,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:06,291 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:06,291 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration1_Loop [2021-12-06 17:21:06,291 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:06,291 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:06,293 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 17:21:06,296 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 17:21:06,299 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 17:21:06,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:06,344 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:21:06,345 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 17:21:06,347 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:06,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:06,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:06,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:06,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:06,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:21:06,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:21:06,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:21:06,389 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 17:21:06,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,390 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 17:21:06,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:06,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:06,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:06,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:06,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:06,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:21:06,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:21:06,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:21:06,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 17:21:06,425 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,425 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,426 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 17:21:06,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:06,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:06,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:21:06,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:06,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:06,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:06,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:21:06,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:21:06,439 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:21:06,443 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 17:21:06,443 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 17:21:06,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,445 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 17:21:06,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:21:06,447 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 17:21:06,447 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:21:06,447 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [] [2021-12-06 17:21:06,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 17:21:06,467 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 17:21:06,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:06,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:06,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:21:06,488 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:06,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:06,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 17:21:06,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:06,554 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 17:21:06,555 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 17:21:06,588 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 24 states and 36 transitions. Complement of second has 7 states. [2021-12-06 17:21:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 17:21:06,593 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 17:21:06,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-12-06 17:21:06,594 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 3 letters. [2021-12-06 17:21:06,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:06,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 5 letters. Loop has 3 letters. [2021-12-06 17:21:06,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:06,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 6 letters. [2021-12-06 17:21:06,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:06,596 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 36 transitions. [2021-12-06 17:21:06,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 17:21:06,600 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 8 states and 11 transitions. [2021-12-06 17:21:06,607 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-06 17:21:06,608 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-12-06 17:21:06,608 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-12-06 17:21:06,608 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:21:06,609 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-12-06 17:21:06,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-12-06 17:21:06,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-12-06 17:21:06,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:06,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-12-06 17:21:06,631 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-12-06 17:21:06,631 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-12-06 17:21:06,631 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 17:21:06,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-12-06 17:21:06,632 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 17:21:06,632 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:21:06,632 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:21:06,632 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 17:21:06,632 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 17:21:06,632 INFO L791 eck$LassoCheckResult]: Stem: 79#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 75#L10-2 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 77#L13-2 [2021-12-06 17:21:06,633 INFO L793 eck$LassoCheckResult]: Loop: 77#L13-2 assume !!(main_~x~0#1 > main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 77#L13-2 [2021-12-06 17:21:06,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:06,633 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-12-06 17:21:06,634 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:06,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820246309] [2021-12-06 17:21:06,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:06,634 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:06,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 17:21:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,640 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,645 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:06,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:06,646 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-12-06 17:21:06,646 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:06,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219669375] [2021-12-06 17:21:06,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:06,646 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,650 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,654 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:06,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:06,654 INFO L85 PathProgramCache]: Analyzing trace with hash 925804, now seen corresponding path program 1 times [2021-12-06 17:21:06,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:06,655 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050373438] [2021-12-06 17:21:06,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:06,655 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,661 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:06,666 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:06,677 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:06,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:06,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:06,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:06,677 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:21:06,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:06,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:06,678 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration2_Loop [2021-12-06 17:21:06,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:06,678 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:06,678 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,703 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:06,704 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:21:06,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,705 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 17:21:06,706 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,706 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,719 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:21:06,719 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:21:06,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 17:21:06,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,739 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 17:21:06,743 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,743 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 17:21:06,756 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 17:21:06,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 17:21:06,775 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,776 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 17:21:06,777 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:06,777 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 17:21:06,804 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,804 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 17:21:06,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:21:06,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:06,958 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:21:06,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 17:21:06,960 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:06,961 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:06,961 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:06,961 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:06,961 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:21:06,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:06,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:06,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration2_Loop [2021-12-06 17:21:06,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:06,961 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:06,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,966 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:06,969 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 17:21:06,985 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:06,985 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:21:06,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:06,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:06,986 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:06,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 17:21:06,987 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:06,994 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:06,994 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:06,994 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:06,994 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:06,996 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 17:21:06,996 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 17:21:06,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 17:21:07,017 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 17:21:07,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,018 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 17:21:07,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:07,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:07,027 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:21:07,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:07,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:07,027 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:07,028 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:21:07,028 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:21:07,030 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:21:07,032 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-12-06 17:21:07,032 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 17:21:07,032 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,033 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 17:21:07,034 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:21:07,034 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 17:21:07,034 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:21:07,034 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 17:21:07,052 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 17:21:07,053 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 17:21:07,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,067 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:07,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-06 17:21:07,068 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5 Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,075 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 10 transitions. cyclomatic complexity: 5. Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 14 states and 19 transitions. Complement of second has 5 states. [2021-12-06 17:21:07,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:21:07,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-06 17:21:07,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 1 letters. [2021-12-06 17:21:07,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-06 17:21:07,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 3 letters. Loop has 2 letters. [2021-12-06 17:21:07,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,077 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 19 transitions. [2021-12-06 17:21:07,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 17:21:07,078 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 10 states and 14 transitions. [2021-12-06 17:21:07,078 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-12-06 17:21:07,078 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-12-06 17:21:07,078 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 14 transitions. [2021-12-06 17:21:07,078 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 17:21:07,078 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 14 transitions. [2021-12-06 17:21:07,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 14 transitions. [2021-12-06 17:21:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 7. [2021-12-06 17:21:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-12-06 17:21:07,079 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-12-06 17:21:07,079 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 9 transitions. [2021-12-06 17:21:07,079 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 17:21:07,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 9 transitions. [2021-12-06 17:21:07,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-12-06 17:21:07,080 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 17:21:07,080 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 17:21:07,080 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1] [2021-12-06 17:21:07,080 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 17:21:07,080 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 133#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 128#L10-2 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 129#L13-2 assume !(main_~x~0#1 > main_~y~0#1); 134#L13-3 main_~x~0#1 := main_~x~0#1 - 2; 130#L10-2 assume !!(main_~x~0#1 >= 0 && main_~x~0#1 < 2147483647);main_~x~0#1 := 1 + main_~x~0#1;main_~y~0#1 := 1; 131#L13-2 [2021-12-06 17:21:07,080 INFO L793 eck$LassoCheckResult]: Loop: 131#L13-2 assume !!(main_~x~0#1 > main_~y~0#1);main_~y~0#1 := 1 + main_~y~0#1; 131#L13-2 [2021-12-06 17:21:07,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,080 INFO L85 PathProgramCache]: Analyzing trace with hash 889696477, now seen corresponding path program 2 times [2021-12-06 17:21:07,081 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:07,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024654169] [2021-12-06 17:21:07,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:07,081 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,113 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:07,113 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:21:07,114 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1024654169] [2021-12-06 17:21:07,114 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1024654169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:21:07,114 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:21:07,114 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 17:21:07,114 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805797192] [2021-12-06 17:21:07,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:21:07,116 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 17:21:07,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,117 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 2 times [2021-12-06 17:21:07,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:21:07,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273885322] [2021-12-06 17:21:07,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:21:07,117 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:21:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:07,120 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 17:21:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 17:21:07,122 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 17:21:07,130 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:07,130 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:07,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:07,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:07,130 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 17:21:07,130 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,130 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:07,130 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:07,130 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration3_Loop [2021-12-06 17:21:07,130 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:07,131 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:07,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,135 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,153 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:07,153 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 17:21:07,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,154 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 17:21:07,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 17:21:07,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:07,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-06 17:21:07,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,183 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 17:21:07,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 17:21:07,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 17:21:07,340 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 17:21:07,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 17:21:07,343 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 17:21:07,343 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 17:21:07,343 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 17:21:07,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 17:21:07,343 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 17:21:07,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 17:21:07,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 17:21:07,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.02.c_Iteration3_Loop [2021-12-06 17:21:07,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 17:21:07,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 17:21:07,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,347 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 17:21:07,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 17:21:07,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 17:21:07,364 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,365 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 17:21:07,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 17:21:07,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 17:21:07,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 17:21:07,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 17:21:07,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 17:21:07,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 17:21:07,400 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 17:21:07,400 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 17:21:07,402 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 17:21:07,406 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 17:21:07,406 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 17:21:07,406 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 17:21:07,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 17:21:07,407 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 17:21:07,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 17:21:07,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 17:21:07,409 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 17:21:07,409 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 17:21:07,409 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-12-06 17:21:07,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2021-12-06 17:21:07,439 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 17:21:07,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,458 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:07,459 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-06 17:21:07,459 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,468 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 16 transitions. Complement of second has 5 states. [2021-12-06 17:21:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:21:07,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-06 17:21:07,469 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 1 letters. [2021-12-06 17:21:07,469 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,470 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 17:21:07,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,493 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:07,494 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-06 17:21:07,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,503 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 16 transitions. Complement of second has 5 states. [2021-12-06 17:21:07,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:21:07,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2021-12-06 17:21:07,504 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 1 letters. [2021-12-06 17:21:07,504 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,504 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 17:21:07,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:21:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:21:07,528 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 17:21:07,528 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 17:21:07,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 17:21:07,529 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-12-06 17:21:07,529 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,539 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 9 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 10 states and 12 transitions. Complement of second has 4 states. [2021-12-06 17:21:07,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 17:21:07,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-12-06 17:21:07,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 1 letters. [2021-12-06 17:21:07,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 1 letters. [2021-12-06 17:21:07,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 6 letters. Loop has 2 letters. [2021-12-06 17:21:07,542 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 17:21:07,542 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 12 transitions. [2021-12-06 17:21:07,542 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:21:07,543 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2021-12-06 17:21:07,543 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:21:07,543 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:21:07,543 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:21:07,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:21:07,543 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:07,543 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:07,543 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:21:07,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 17:21:07,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 17:21:07,547 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:21:07,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:21:07,549 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-12-06 17:21:07,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 17:21:07,550 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-12-06 17:21:07,550 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:21:07,550 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:21:07,550 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 17:21:07,550 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 17:21:07,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 17:21:07,550 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 17:21:07,551 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:07,551 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:07,551 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:21:07,551 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 17:21:07,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:21:07,551 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 17:21:07,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 17:21:07,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 05:21:07 BoogieIcfgContainer [2021-12-06 17:21:07,558 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 17:21:07,558 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 17:21:07,558 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 17:21:07,558 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 17:21:07,559 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:21:05" (3/4) ... [2021-12-06 17:21:07,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 17:21:07,561 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 17:21:07,562 INFO L158 Benchmark]: Toolchain (without parser) took 2271.69ms. Allocated memory is still 132.1MB. Free memory was 93.4MB in the beginning and 59.0MB in the end (delta: 34.3MB). Peak memory consumption was 34.6MB. Max. memory is 16.1GB. [2021-12-06 17:21:07,563 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:21:07,563 INFO L158 Benchmark]: CACSL2BoogieTranslator took 140.42ms. Allocated memory is still 132.1MB. Free memory was 93.1MB in the beginning and 108.5MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 17:21:07,564 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.19ms. Allocated memory is still 132.1MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:21:07,564 INFO L158 Benchmark]: Boogie Preprocessor took 11.19ms. Allocated memory is still 132.1MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 733.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 17:21:07,565 INFO L158 Benchmark]: RCFGBuilder took 154.59ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 98.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 17:21:07,565 INFO L158 Benchmark]: BuchiAutomizer took 1936.98ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 59.0MB in the end (delta: 39.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2021-12-06 17:21:07,565 INFO L158 Benchmark]: Witness Printer took 3.45ms. Allocated memory is still 132.1MB. Free memory is still 59.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 17:21:07,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 132.1MB. Free memory was 109.5MB in the beginning and 109.3MB in the end (delta: 140.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 140.42ms. Allocated memory is still 132.1MB. Free memory was 93.1MB in the beginning and 108.5MB in the end (delta: -15.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 20.19ms. Allocated memory is still 132.1MB. Free memory was 108.5MB in the beginning and 107.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 11.19ms. Allocated memory is still 132.1MB. Free memory was 107.3MB in the beginning and 106.5MB in the end (delta: 733.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 154.59ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 98.2MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1936.98ms. Allocated memory is still 132.1MB. Free memory was 98.2MB in the beginning and 59.0MB in the end (delta: 39.1MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 3.45ms. Allocated memory is still 132.1MB. Free memory is still 59.0MB. 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 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * x + 1 and consists of 5 locations. One deterministic module has affine ranking function -1 * y + x and consists of 3 locations. One nondeterministic module has affine ranking function -1 * y + x and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 28 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 42 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 20 mSDtfsCounter, 42 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax200 hnf97 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf93 smp89 dnf100 smp100 tf112 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 17:21:07,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 17:21:07,829 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 17:21:08,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fa04b902-86af-48fa-b003-0e1d4db47bc8/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