./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 05:46:07,328 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 05:46:07,333 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 05:46:07,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 05:46:07,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 05:46:07,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 05:46:07,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 05:46:07,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 05:46:07,423 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 05:46:07,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 05:46:07,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 05:46:07,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 05:46:07,430 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 05:46:07,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 05:46:07,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 05:46:07,436 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 05:46:07,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 05:46:07,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 05:46:07,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 05:46:07,447 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 05:46:07,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 05:46:07,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 05:46:07,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 05:46:07,457 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 05:46:07,463 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 05:46:07,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 05:46:07,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 05:46:07,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 05:46:07,467 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 05:46:07,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 05:46:07,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 05:46:07,472 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 05:46:07,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 05:46:07,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 05:46:07,477 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 05:46:07,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 05:46:07,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 05:46:07,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 05:46:07,481 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 05:46:07,482 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 05:46:07,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 05:46:07,485 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 05:46:07,523 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 05:46:07,524 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 05:46:07,525 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 05:46:07,526 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 05:46:07,527 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 05:46:07,528 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 05:46:07,528 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 05:46:07,528 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 05:46:07,529 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 05:46:07,529 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 05:46:07,530 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 05:46:07,531 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 05:46:07,531 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 05:46:07,531 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 05:46:07,532 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 05:46:07,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 05:46:07,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 05:46:07,532 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 05:46:07,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 05:46:07,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 05:46:07,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 05:46:07,534 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 05:46:07,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 05:46:07,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 05:46:07,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 05:46:07,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 05:46:07,537 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 05:46:07,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 05:46:07,538 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 05:46:07,540 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 05:46:07,540 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_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ff7f98b41a2da3578e790df894a867e943a0857e97661a8032b524a76ca3b438 [2021-11-20 05:46:07,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 05:46:07,988 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 05:46:07,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 05:46:07,995 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 05:46:07,996 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 05:46:07,998 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-11-20 05:46:08,084 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/data/7c5ada74b/932e9b9fcbe445578214387b5f1c144d/FLAGb1aaf8696 [2021-11-20 05:46:08,646 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 05:46:08,647 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/sv-benchmarks/c/termination-recursive-malloc/selectionSort_recursive.i [2021-11-20 05:46:08,655 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/data/7c5ada74b/932e9b9fcbe445578214387b5f1c144d/FLAGb1aaf8696 [2021-11-20 05:46:08,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/data/7c5ada74b/932e9b9fcbe445578214387b5f1c144d [2021-11-20 05:46:08,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 05:46:08,997 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 05:46:09,003 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 05:46:09,004 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 05:46:09,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 05:46:09,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:08" (1/1) ... [2021-11-20 05:46:09,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14ff58f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09, skipping insertion in model container [2021-11-20 05:46:09,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:46:08" (1/1) ... [2021-11-20 05:46:09,027 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 05:46:09,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 05:46:09,319 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:46:09,331 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 05:46:09,355 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 05:46:09,374 INFO L208 MainTranslator]: Completed translation [2021-11-20 05:46:09,374 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09 WrapperNode [2021-11-20 05:46:09,375 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 05:46:09,376 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 05:46:09,377 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 05:46:09,377 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 05:46:09,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,429 INFO L137 Inliner]: procedures = 11, calls = 13, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2021-11-20 05:46:09,430 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 05:46:09,432 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 05:46:09,432 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 05:46:09,433 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 05:46:09,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,471 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,481 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 05:46:09,483 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 05:46:09,483 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 05:46:09,483 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 05:46:09,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (1/1) ... [2021-11-20 05:46:09,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:09,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:09,539 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:09,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 05:46:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 05:46:09,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-20 05:46:09,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 05:46:09,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 05:46:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 05:46:09,611 INFO L130 BoogieDeclarations]: Found specification of procedure selectionSort [2021-11-20 05:46:09,613 INFO L138 BoogieDeclarations]: Found implementation of procedure selectionSort [2021-11-20 05:46:09,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 05:46:09,715 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 05:46:09,717 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 05:46:09,980 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 05:46:09,988 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 05:46:10,000 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-20 05:46:10,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:10 BoogieIcfgContainer [2021-11-20 05:46:10,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 05:46:10,004 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 05:46:10,005 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 05:46:10,009 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 05:46:10,010 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:46:10,010 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 05:46:08" (1/3) ... [2021-11-20 05:46:10,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b30edb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:46:10, skipping insertion in model container [2021-11-20 05:46:10,012 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:46:10,012 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:46:09" (2/3) ... [2021-11-20 05:46:10,013 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b30edb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 05:46:10, skipping insertion in model container [2021-11-20 05:46:10,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 05:46:10,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:10" (3/3) ... [2021-11-20 05:46:10,015 INFO L388 chiAutomizerObserver]: Analyzing ICFG selectionSort_recursive.i [2021-11-20 05:46:10,072 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 05:46:10,073 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 05:46:10,073 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 05:46:10,073 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 05:46:10,073 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 05:46:10,074 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 05:46:10,074 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 05:46:10,074 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 05:46:10,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:46:10,136 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 05:46:10,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:10,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:10,144 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:46:10,157 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:46:10,157 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 05:46:10,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-11-20 05:46:10,164 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 9 [2021-11-20 05:46:10,164 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:10,165 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:10,165 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 05:46:10,165 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 05:46:10,182 INFO L791 eck$LassoCheckResult]: Stem: 7#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 12#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L31true assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 13#L36-3true [2021-11-20 05:46:10,183 INFO L793 eck$LassoCheckResult]: Loop: 13#L36-3true assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 14#L36-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 13#L36-3true [2021-11-20 05:46:10,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:10,191 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 05:46:10,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:10,202 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813483894] [2021-11-20 05:46:10,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:10,204 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:10,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,323 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:10,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:10,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-11-20 05:46:10,378 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:10,379 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979345899] [2021-11-20 05:46:10,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:10,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:10,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,394 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,407 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:10,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:10,409 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-11-20 05:46:10,410 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:10,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774807380] [2021-11-20 05:46:10,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:10,411 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,434 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:10,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:10,461 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:10,839 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:46:10,839 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:46:10,839 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:46:10,839 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:46:10,840 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:46:10,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:10,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:46:10,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:46:10,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration1_Lasso [2021-11-20 05:46:10,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:46:10,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:46:10,882 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:10,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:11,239 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:46:11,245 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:46:11,248 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,251 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,258 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,272 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,272 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:11,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:11,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 05:46:11,301 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,348 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 05:46:11,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:11,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:11,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:11,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,417 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,421 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:11,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:11,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:11,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 05:46:11,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,509 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,511 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 05:46:11,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,530 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:11,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:11,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:11,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,589 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:11,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:11,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:11,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 05:46:11,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 05:46:11,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,693 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:11,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:11,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 05:46:11,749 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:11,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:11,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:11,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:11,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:11,788 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,790 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 05:46:11,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:11,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:11,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:11,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:11,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:11,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:11,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:11,837 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:46:11,888 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-11-20 05:46:11,888 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-11-20 05:46:11,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:11,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:11,921 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:11,978 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:46:11,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 05:46:11,997 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:46:11,997 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:46:11,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-20 05:46:12,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-11-20 05:46:12,096 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-11-20 05:46:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:12,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:12,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 05:46:12,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:12,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:12,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:12,236 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:12,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:12,311 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 05:46:12,313 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:12,383 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 19 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). 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 39 states and 53 transitions. Complement of second has 9 states. [2021-11-20 05:46:12,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:12,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:12,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-11-20 05:46:12,406 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2021-11-20 05:46:12,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:12,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 2 letters. [2021-11-20 05:46:12,409 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:12,409 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 3 letters. Loop has 4 letters. [2021-11-20 05:46:12,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:12,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2021-11-20 05:46:12,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 05:46:12,434 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 14 states and 19 transitions. [2021-11-20 05:46:12,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 05:46:12,436 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-20 05:46:12,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 19 transitions. [2021-11-20 05:46:12,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:46:12,438 INFO L681 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-20 05:46:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 19 transitions. [2021-11-20 05:46:12,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2021-11-20 05:46:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:12,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-11-20 05:46:12,471 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-20 05:46:12,471 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-20 05:46:12,471 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 05:46:12,472 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-11-20 05:46:12,473 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2021-11-20 05:46:12,473 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:12,473 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:12,473 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 05:46:12,474 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-11-20 05:46:12,474 INFO L791 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 113#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 116#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 117#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 107#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 110#selectionSortENTRY [2021-11-20 05:46:12,474 INFO L793 eck$LassoCheckResult]: Loop: 110#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 111#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 109#L14-3 assume !(~index~0 < ~size); 114#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 108#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 110#selectionSortENTRY [2021-11-20 05:46:12,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:12,475 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 1 times [2021-11-20 05:46:12,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:12,476 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013343638] [2021-11-20 05:46:12,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:12,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:12,539 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:12,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013343638] [2021-11-20 05:46:12,540 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2013343638] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:12,541 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:12,541 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:46:12,541 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155405602] [2021-11-20 05:46:12,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:12,546 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:46:12,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:12,547 INFO L85 PathProgramCache]: Analyzing trace with hash 53570596, now seen corresponding path program 1 times [2021-11-20 05:46:12,547 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:12,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [773509843] [2021-11-20 05:46:12,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:12,548 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:12,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:12,586 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:12,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [773509843] [2021-11-20 05:46:12,587 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [773509843] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:12,587 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:12,588 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:46:12,588 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828181971] [2021-11-20 05:46:12,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:12,589 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-11-20 05:46:12,589 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:12,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:46:12,594 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:46:12,595 INFO L87 Difference]: Start difference. First operand 14 states and 19 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:12,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:12,617 INFO L93 Difference]: Finished difference Result 15 states and 19 transitions. [2021-11-20 05:46:12,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:46:12,619 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2021-11-20 05:46:12,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:12,624 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 15 states and 19 transitions. [2021-11-20 05:46:12,625 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 05:46:12,626 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 05:46:12,626 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 19 transitions. [2021-11-20 05:46:12,627 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:46:12,627 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-20 05:46:12,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 19 transitions. [2021-11-20 05:46:12,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-20 05:46:12,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:12,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-20 05:46:12,636 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-20 05:46:12,637 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-20 05:46:12,637 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 05:46:12,637 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-11-20 05:46:12,638 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:12,640 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:12,641 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:12,641 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 05:46:12,642 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:12,642 INFO L791 eck$LassoCheckResult]: Stem: 148#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 149#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 152#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 153#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 143#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 142#selectionSortENTRY [2021-11-20 05:46:12,643 INFO L793 eck$LassoCheckResult]: Loop: 142#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 145#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 150#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 151#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 146#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 147#L14-3 assume !(~index~0 < ~size); 154#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 144#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 142#selectionSortENTRY [2021-11-20 05:46:12,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:12,645 INFO L85 PathProgramCache]: Analyzing trace with hash 28695915, now seen corresponding path program 2 times [2021-11-20 05:46:12,645 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:12,646 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858969234] [2021-11-20 05:46:12,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:12,647 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:12,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:12,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:12,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:12,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858969234] [2021-11-20 05:46:12,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1858969234] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 05:46:12,709 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 05:46:12,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-20 05:46:12,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541742357] [2021-11-20 05:46:12,710 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 05:46:12,711 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:46:12,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:12,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 1 times [2021-11-20 05:46:12,712 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:12,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129746221] [2021-11-20 05:46:12,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:12,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:12,744 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:12,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:12,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:13,645 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:13,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-20 05:46:13,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-20 05:46:13,653 INFO L87 Difference]: Start difference. First operand 15 states and 19 transitions. cyclomatic complexity: 6 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:13,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:13,674 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2021-11-20 05:46:13,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-20 05:46:13,678 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-11-20 05:46:13,682 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:13,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 19 transitions. [2021-11-20 05:46:13,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 05:46:13,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 05:46:13,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 19 transitions. [2021-11-20 05:46:13,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:46:13,692 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-11-20 05:46:13,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 19 transitions. [2021-11-20 05:46:13,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-11-20 05:46:13,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 13 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 18 transitions. [2021-11-20 05:46:13,702 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-20 05:46:13,703 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 18 transitions. [2021-11-20 05:46:13,703 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 05:46:13,703 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 18 transitions. [2021-11-20 05:46:13,705 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:13,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:13,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:13,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:13,711 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:13,711 INFO L791 eck$LassoCheckResult]: Stem: 185#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 189#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 190#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 192#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 193#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 181#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 179#selectionSortENTRY [2021-11-20 05:46:13,712 INFO L793 eck$LassoCheckResult]: Loop: 179#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 182#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 187#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 188#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 183#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 184#L14-3 assume !(~index~0 < ~size); 191#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 180#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 179#selectionSortENTRY [2021-11-20 05:46:13,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:13,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996941, now seen corresponding path program 1 times [2021-11-20 05:46:13,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:13,714 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027774471] [2021-11-20 05:46:13,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:13,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:13,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:13,755 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:13,781 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:13,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 2 times [2021-11-20 05:46:13,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:13,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447277061] [2021-11-20 05:46:13,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:13,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:13,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:13,809 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:13,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:13,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:13,831 INFO L85 PathProgramCache]: Analyzing trace with hash 170190416, now seen corresponding path program 1 times [2021-11-20 05:46:13,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:13,831 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421978072] [2021-11-20 05:46:13,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:13,832 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:13,960 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:13,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421978072] [2021-11-20 05:46:13,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [421978072] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:13,961 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [601367571] [2021-11-20 05:46:13,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:13,962 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:13,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:13,969 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:14,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2021-11-20 05:46:14,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:14,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-20 05:46:14,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:14,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:14,159 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:14,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:14,233 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [601367571] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:14,233 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:14,233 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 12 [2021-11-20 05:46:14,234 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347036453] [2021-11-20 05:46:14,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:14,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:14,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-11-20 05:46:14,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-11-20 05:46:14,985 INFO L87 Difference]: Start difference. First operand 15 states and 18 transitions. cyclomatic complexity: 5 Second operand has 12 states, 11 states have (on average 1.8181818181818181) internal successors, (20), 9 states have internal predecessors, (20), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:15,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:15,106 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2021-11-20 05:46:15,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-20 05:46:15,109 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-11-20 05:46:15,110 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:15,113 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 18 states and 21 transitions. [2021-11-20 05:46:15,114 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2021-11-20 05:46:15,114 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2021-11-20 05:46:15,114 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 21 transitions. [2021-11-20 05:46:15,114 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:46:15,115 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2021-11-20 05:46:15,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 21 transitions. [2021-11-20 05:46:15,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2021-11-20 05:46:15,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 15 states have (on average 1.2) internal successors, (18), 15 states have internal predecessors, (18), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:15,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2021-11-20 05:46:15,120 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:46:15,120 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 20 transitions. [2021-11-20 05:46:15,120 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 05:46:15,120 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 20 transitions. [2021-11-20 05:46:15,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-11-20 05:46:15,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:15,123 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:15,124 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1] [2021-11-20 05:46:15,124 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:15,125 INFO L791 eck$LassoCheckResult]: Stem: 326#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 327#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 330#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 331#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 333#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 334#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 335#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 336#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 321#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 320#selectionSortENTRY [2021-11-20 05:46:15,125 INFO L793 eck$LassoCheckResult]: Loop: 320#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 323#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 328#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 329#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 324#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 325#L14-3 assume !(~index~0 < ~size); 332#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 322#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 320#selectionSortENTRY [2021-11-20 05:46:15,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:15,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1357299119, now seen corresponding path program 2 times [2021-11-20 05:46:15,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:15,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538552829] [2021-11-20 05:46:15,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:15,127 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:15,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,158 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:15,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,207 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:15,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:15,208 INFO L85 PathProgramCache]: Analyzing trace with hash -1756570492, now seen corresponding path program 3 times [2021-11-20 05:46:15,208 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:15,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737319582] [2021-11-20 05:46:15,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:15,209 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,234 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:15,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:15,266 INFO L85 PathProgramCache]: Analyzing trace with hash -290845646, now seen corresponding path program 2 times [2021-11-20 05:46:15,266 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:15,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [55462024] [2021-11-20 05:46:15,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:15,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:15,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,328 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:15,379 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:16,709 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:46:16,709 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:46:16,710 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:46:16,710 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:46:16,710 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:46:16,710 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:16,710 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:46:16,710 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:46:16,711 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration5_Lasso [2021-11-20 05:46:16,711 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:46:16,711 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:46:16,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,725 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,727 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,734 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,739 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,742 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,744 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,749 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,764 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,781 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:16,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:17,341 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:46:17,342 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:46:17,342 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,344 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 05:46:17,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,370 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,370 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,370 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,371 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,371 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,445 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,486 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 05:46:17,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,501 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,578 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 05:46:17,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,604 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,676 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,678 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,686 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 05:46:17,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,701 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,770 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,772 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 05:46:17,800 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:17,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:17,817 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,865 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,866 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,874 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 05:46:17,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:17,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:17,968 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:17,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:17,970 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:17,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:17,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:17,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:17,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:17,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:17,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:17,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:17,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:17,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 05:46:18,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,057 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,058 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,066 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,078 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,079 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,079 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 05:46:18,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,159 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 05:46:18,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,176 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-20 05:46:18,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,212 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 05:46:18,213 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,257 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,258 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 05:46:18,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,306 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 05:46:18,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,357 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,405 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,407 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 05:46:18,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,497 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,499 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 05:46:18,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,523 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,523 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,604 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,606 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 05:46:18,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,700 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 05:46:18,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:18,730 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:18,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-20 05:46:18,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,792 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 05:46:18,805 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,805 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-20 05:46:18,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,837 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 05:46:18,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,851 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,851 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,851 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,851 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,852 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:18,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,919 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 05:46:18,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,931 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,932 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,932 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:18,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-11-20 05:46:18,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:18,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:18,962 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:18,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 05:46:18,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:18,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:18,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:18,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:18,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:18,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:18,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:18,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:18,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-11-20 05:46:19,003 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,004 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 05:46:19,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-11-20 05:46:19,066 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,067 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 05:46:19,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,079 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,156 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,157 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 05:46:19,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,182 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,209 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,210 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 05:46:19,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,241 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,242 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,242 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,242 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,243 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,306 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,321 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 05:46:19,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,376 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,376 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,381 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,384 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,395 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,395 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,395 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,395 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-11-20 05:46:19,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,457 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 05:46:19,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,472 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:19,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:19,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:19,477 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:19,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 05:46:19,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,502 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 05:46:19,504 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:19,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:19,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:19,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:19,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:19,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:19,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:19,554 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:46:19,593 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2021-11-20 05:46:19,593 INFO L444 ModelExtractionUtils]: 0 out of 16 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-11-20 05:46:19,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:19,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:19,595 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:19,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 05:46:19,597 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:46:19,610 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:46:19,610 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:46:19,610 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_#in~startIndex, selectionSort_#in~size) = -1*selectionSort_#in~startIndex + 1*selectionSort_#in~size Supporting invariants [] [2021-11-20 05:46:19,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:19,643 INFO L297 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2021-11-20 05:46:19,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:19,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:19,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:19,752 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-11-20 05:46:19,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:19,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:19,851 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-20 05:46:19,852 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:19,930 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 20 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 48 transitions. Complement of second has 11 states. [2021-11-20 05:46:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:19,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:19,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 05:46:19,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 8 letters. [2021-11-20 05:46:19,939 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:19,939 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 17 letters. Loop has 8 letters. [2021-11-20 05:46:19,940 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:19,940 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 9 letters. Loop has 16 letters. [2021-11-20 05:46:19,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:19,941 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2021-11-20 05:46:19,945 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-11-20 05:46:19,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 35 states and 44 transitions. [2021-11-20 05:46:19,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-11-20 05:46:19,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2021-11-20 05:46:19,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 44 transitions. [2021-11-20 05:46:19,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:46:19,950 INFO L681 BuchiCegarLoop]: Abstraction has 35 states and 44 transitions. [2021-11-20 05:46:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 44 transitions. [2021-11-20 05:46:19,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 22. [2021-11-20 05:46:19,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.3) internal successors, (26), 19 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 28 transitions. [2021-11-20 05:46:19,954 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 05:46:19,954 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 05:46:19,954 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 05:46:19,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 28 transitions. [2021-11-20 05:46:19,956 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:19,956 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:19,956 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:19,957 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:19,957 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:46:19,957 INFO L791 eck$LassoCheckResult]: Stem: 476#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 477#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 482#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 483#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 484#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 485#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 486#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 487#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 467#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 472#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 474#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 468#L14-3 [2021-11-20 05:46:19,958 INFO L793 eck$LassoCheckResult]: Loop: 468#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 478#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 466#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 468#L14-3 [2021-11-20 05:46:19,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:19,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1305603789, now seen corresponding path program 1 times [2021-11-20 05:46:19,959 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:19,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797593803] [2021-11-20 05:46:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:19,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:19,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:19,972 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:19,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:19,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:19,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:19,989 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 1 times [2021-11-20 05:46:19,989 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:19,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766323882] [2021-11-20 05:46:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:19,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:19,995 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:19,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:20,001 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:20,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:20,003 INFO L85 PathProgramCache]: Analyzing trace with hash -18607689, now seen corresponding path program 1 times [2021-11-20 05:46:20,003 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:20,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288713542] [2021-11-20 05:46:20,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:20,004 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:20,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:20,019 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:20,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:20,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:21,177 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:46:21,177 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:46:21,177 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:46:21,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:46:21,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:46:21,178 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:21,178 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:46:21,178 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:46:21,178 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration6_Lasso [2021-11-20 05:46:21,178 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:46:21,178 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:46:21,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,189 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,440 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,447 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:21,915 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:46:21,916 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:46:21,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:21,921 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:21,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:21,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 05:46:21,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:21,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:21,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:21,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:21,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:21,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:21,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:21,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:22,010 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,013 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,018 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 05:46:22,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:22,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:22,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 05:46:22,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,075 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 05:46:22,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:22,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,112 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:22,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:22,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:22,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,184 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,199 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:22,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:22,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:22,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 05:46:22,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:22,266 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,267 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 05:46:22,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:22,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:22,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:22,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-11-20 05:46:22,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,315 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 05:46:22,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,330 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:22,330 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:22,352 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:22,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:22,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,379 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-11-20 05:46:22,382 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:22,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:22,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:22,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:22,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:22,408 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:22,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:22,441 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:46:22,486 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-11-20 05:46:22,486 INFO L444 ModelExtractionUtils]: 14 out of 34 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-11-20 05:46:22,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:22,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,489 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-11-20 05:46:22,491 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:46:22,517 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:46:22,517 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:46:22,517 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2021-11-20 05:46:22,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:22,557 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 05:46:22,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:22,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:22,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:22,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:22,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:22,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:22,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:22,704 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 05:46:22,705 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:22,736 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states and 28 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 53 transitions. Complement of second has 8 states. [2021-11-20 05:46:22,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:22,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-11-20 05:46:22,740 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 3 letters. [2021-11-20 05:46:22,740 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:22,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 14 letters. Loop has 3 letters. [2021-11-20 05:46:22,741 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:22,741 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 11 letters. Loop has 6 letters. [2021-11-20 05:46:22,742 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:22,742 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 53 transitions. [2021-11-20 05:46:22,749 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:22,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 29 states and 36 transitions. [2021-11-20 05:46:22,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 05:46:22,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 05:46:22,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 36 transitions. [2021-11-20 05:46:22,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:46:22,758 INFO L681 BuchiCegarLoop]: Abstraction has 29 states and 36 transitions. [2021-11-20 05:46:22,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 36 transitions. [2021-11-20 05:46:22,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 22. [2021-11-20 05:46:22,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 20 states have (on average 1.25) internal successors, (25), 19 states have internal predecessors, (25), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:22,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 27 transitions. [2021-11-20 05:46:22,765 INFO L704 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 05:46:22,765 INFO L587 BuchiCegarLoop]: Abstraction has 22 states and 27 transitions. [2021-11-20 05:46:22,765 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 05:46:22,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 27 transitions. [2021-11-20 05:46:22,766 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:22,766 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:22,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:22,768 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:22,769 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:46:22,769 INFO L791 eck$LassoCheckResult]: Stem: 621#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 627#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 628#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 629#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 630#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 631#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 632#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 615#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 617#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 618#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 624#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 625#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 614#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 616#L14-3 assume !(~index~0 < ~size); 626#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 612#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 619#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 620#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 613#L14-3 [2021-11-20 05:46:22,769 INFO L793 eck$LassoCheckResult]: Loop: 613#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 623#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 611#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 613#L14-3 [2021-11-20 05:46:22,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:22,770 INFO L85 PathProgramCache]: Analyzing trace with hash 1445216632, now seen corresponding path program 1 times [2021-11-20 05:46:22,770 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:22,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974861673] [2021-11-20 05:46:22,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:22,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:22,896 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:22,897 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:22,897 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [974861673] [2021-11-20 05:46:22,897 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [974861673] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:22,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604349297] [2021-11-20 05:46:22,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:22,898 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:22,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:22,901 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:22,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2021-11-20 05:46:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:22,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 13 conjunts are in the unsatisfiable core [2021-11-20 05:46:22,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:23,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:23,268 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-20 05:46:23,269 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604349297] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:23,269 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:23,269 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2021-11-20 05:46:23,269 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987504172] [2021-11-20 05:46:23,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:23,270 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:46:23,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:23,271 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 2 times [2021-11-20 05:46:23,271 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:23,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054776674] [2021-11-20 05:46:23,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:23,272 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:23,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:23,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:23,381 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:23,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-11-20 05:46:23,381 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2021-11-20 05:46:23,382 INFO L87 Difference]: Start difference. First operand 22 states and 27 transitions. cyclomatic complexity: 8 Second operand has 17 states, 15 states have (on average 2.4) internal successors, (36), 12 states have internal predecessors, (36), 4 states have call successors, (6), 5 states have call predecessors, (6), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:23,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:23,520 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2021-11-20 05:46:23,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 05:46:23,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 44 transitions. [2021-11-20 05:46:23,523 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:23,523 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 25 states and 30 transitions. [2021-11-20 05:46:23,524 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 05:46:23,524 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 05:46:23,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30 transitions. [2021-11-20 05:46:23,524 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:46:23,524 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2021-11-20 05:46:23,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 30 transitions. [2021-11-20 05:46:23,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 24. [2021-11-20 05:46:23,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 21 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:23,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-11-20 05:46:23,528 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-20 05:46:23,528 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-11-20 05:46:23,528 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-11-20 05:46:23,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-11-20 05:46:23,528 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:23,529 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:23,529 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:23,529 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:23,530 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:46:23,530 INFO L791 eck$LassoCheckResult]: Stem: 814#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 815#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 820#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 821#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 822#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 825#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 827#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 823#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 824#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 826#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 805#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 804#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 806#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 817#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 818#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 812#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 813#L14-3 assume !(~index~0 < ~size); 819#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 808#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 807#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 809#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 811#L14-3 [2021-11-20 05:46:23,530 INFO L793 eck$LassoCheckResult]: Loop: 811#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 816#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 810#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 811#L14-3 [2021-11-20 05:46:23,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:23,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2046843302, now seen corresponding path program 2 times [2021-11-20 05:46:23,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:23,531 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261096047] [2021-11-20 05:46:23,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:23,531 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:23,663 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:23,663 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 05:46:23,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261096047] [2021-11-20 05:46:23,664 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261096047] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 05:46:23,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873913293] [2021-11-20 05:46:23,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 05:46:23,664 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 05:46:23,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:23,667 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 05:46:23,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2021-11-20 05:46:23,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 05:46:23,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 05:46:23,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2021-11-20 05:46:23,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:23,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:23,953 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 05:46:24,161 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:24,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873913293] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 05:46:24,162 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 05:46:24,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 19 [2021-11-20 05:46:24,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982913971] [2021-11-20 05:46:24,162 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 05:46:24,163 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 05:46:24,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:24,163 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 3 times [2021-11-20 05:46:24,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:24,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524180070] [2021-11-20 05:46:24,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:24,164 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,168 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:24,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:24,284 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 05:46:24,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-11-20 05:46:24,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2021-11-20 05:46:24,286 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 8 Second operand has 19 states, 19 states have (on average 1.7894736842105263) internal successors, (34), 16 states have internal predecessors, (34), 2 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:24,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 05:46:24,590 INFO L93 Difference]: Finished difference Result 37 states and 46 transitions. [2021-11-20 05:46:24,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-20 05:46:24,591 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 46 transitions. [2021-11-20 05:46:24,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:24,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 37 states and 46 transitions. [2021-11-20 05:46:24,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 05:46:24,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 05:46:24,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 37 states and 46 transitions. [2021-11-20 05:46:24,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 05:46:24,594 INFO L681 BuchiCegarLoop]: Abstraction has 37 states and 46 transitions. [2021-11-20 05:46:24,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states and 46 transitions. [2021-11-20 05:46:24,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 28. [2021-11-20 05:46:24,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:24,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 34 transitions. [2021-11-20 05:46:24,598 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-11-20 05:46:24,598 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 34 transitions. [2021-11-20 05:46:24,598 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-11-20 05:46:24,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 34 transitions. [2021-11-20 05:46:24,598 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 05:46:24,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 05:46:24,599 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 05:46:24,600 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 05:46:24,600 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 05:46:24,600 INFO L791 eck$LassoCheckResult]: Stem: 1028#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1029#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~nondet9#1, main_#t~post8#1, main_~i~0#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;main_~n~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1032#L31 assume !(main_~n~0#1 < 1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;havoc main_#t~malloc7#1.base, main_#t~malloc7#1.offset;main_~i~0#1 := 0; 1033#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1035#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1036#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1037#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1041#L36-3 assume !!(main_~i~0#1 < main_~n~0#1);call write~int(main_#t~nondet9#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~0#1, 4);havoc main_#t~nondet9#1; 1040#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 1039#L36-3 assume !(main_~i~0#1 < main_~n~0#1); 1018#L36-4 call selectionSort(main_~a~0#1.base, main_~a~0#1.offset, 0, main_~n~0#1);< 1017#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1019#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1044#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1043#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1026#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1027#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1031#L16 assume !(#t~mem2 < #t~mem3);havoc #t~mem2;havoc #t~mem3; 1038#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1042#L14-3 assume !(~index~0 < ~size); 1034#L14-4 call #t~mem4 := read~int(~array.base, ~array.offset + 4 * ~startIndex, 4);~temp~0 := #t~mem4;havoc #t~mem4;call #t~mem5 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4);call write~int(#t~mem5, ~array.base, ~array.offset + 4 * ~startIndex, 4);havoc #t~mem5;call write~int(~temp~0, ~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1021#L22 call selectionSort(~array.base, ~array.offset, 1 + ~startIndex, ~size);< 1020#selectionSortENTRY ~array.base, ~array.offset := #in~array.base, #in~array.offset;~startIndex := #in~startIndex;~size := #in~size; 1023#L11 assume !(~startIndex >= ~size - 1);~minIndex~0 := ~startIndex;~index~0 := 1 + ~startIndex; 1025#L14-3 [2021-11-20 05:46:24,600 INFO L793 eck$LassoCheckResult]: Loop: 1025#L14-3 assume !!(~index~0 < ~size);call #t~mem2 := read~int(~array.base, ~array.offset + 4 * ~index~0, 4);call #t~mem3 := read~int(~array.base, ~array.offset + 4 * ~minIndex~0, 4); 1030#L16 assume #t~mem2 < #t~mem3;havoc #t~mem2;havoc #t~mem3;~minIndex~0 := ~index~0; 1024#L14-2 #t~post1 := ~index~0;~index~0 := 1 + #t~post1;havoc #t~post1; 1025#L14-3 [2021-11-20 05:46:24,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:24,603 INFO L85 PathProgramCache]: Analyzing trace with hash 349648920, now seen corresponding path program 3 times [2021-11-20 05:46:24,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:24,603 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203186867] [2021-11-20 05:46:24,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:24,604 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:24,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,653 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,679 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:24,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:24,680 INFO L85 PathProgramCache]: Analyzing trace with hash 67625, now seen corresponding path program 4 times [2021-11-20 05:46:24,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:24,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403144967] [2021-11-20 05:46:24,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:24,681 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,685 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,689 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:24,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:24,690 INFO L85 PathProgramCache]: Analyzing trace with hash 1095320754, now seen corresponding path program 1 times [2021-11-20 05:46:24,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 05:46:24,690 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889161115] [2021-11-20 05:46:24,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 05:46:24,691 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 05:46:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,730 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 05:46:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 05:46:24,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 05:46:27,140 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 05:46:27,141 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 05:46:27,141 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 05:46:27,141 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 05:46:27,141 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 05:46:27,141 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:27,141 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 05:46:27,141 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 05:46:27,141 INFO L133 ssoRankerPreferences]: Filename of dumped script: selectionSort_recursive.i_Iteration9_Lasso [2021-11-20 05:46:27,142 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 05:46:27,142 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 05:46:27,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,170 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,179 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,187 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,633 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:27,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 05:46:28,145 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 05:46:28,145 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 05:46:28,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,151 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-11-20 05:46:28,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,163 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,163 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,164 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,190 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-11-20 05:46:28,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-11-20 05:46:28,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,229 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-11-20 05:46:28,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,264 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-11-20 05:46:28,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:28,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-11-20 05:46:28,301 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,302 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-11-20 05:46:28,303 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,312 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,335 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-11-20 05:46:28,336 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,337 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-11-20 05:46:28,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,346 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,347 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,378 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,379 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-11-20 05:46:28,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,388 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,388 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,389 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,413 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,413 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,414 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-11-20 05:46:28,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-11-20 05:46:28,450 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,451 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-11-20 05:46:28,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,527 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,536 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-11-20 05:46:28,561 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,600 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,606 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,616 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,617 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-11-20 05:46:28,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,663 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,665 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-11-20 05:46:28,667 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 05:46:28,676 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,676 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 05:46:28,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 05:46:28,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-11-20 05:46:28,701 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,702 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-11-20 05:46:28,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,713 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-11-20 05:46:28,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,717 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-11-20 05:46:28,717 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-11-20 05:46:28,749 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,750 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-11-20 05:46:28,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:28,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-11-20 05:46:28,790 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,791 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-11-20 05:46:28,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,808 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:28,808 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:28,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,881 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-11-20 05:46:28,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:28,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-11-20 05:46:28,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,931 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,951 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:28,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-11-20 05:46:28,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:28,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:28,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:28,961 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:28,964 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:28,964 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:28,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:28,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-11-20 05:46:28,995 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:28,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:28,996 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:28,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-11-20 05:46:28,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:29,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:29,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:29,007 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:29,007 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:29,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:29,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:29,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:29,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:29,039 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:29,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:29,040 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:29,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-11-20 05:46:29,042 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:29,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:29,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:29,051 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:29,051 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:29,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:29,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:29,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:29,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-11-20 05:46:29,082 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:29,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:29,083 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:29,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-11-20 05:46:29,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:29,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:29,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:29,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:29,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:29,099 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:29,099 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:29,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 05:46:29,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:29,140 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:29,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:29,141 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:29,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-11-20 05:46:29,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 05:46:29,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 05:46:29,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 05:46:29,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 05:46:29,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 05:46:29,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 05:46:29,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 05:46:29,190 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 05:46:29,218 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-11-20 05:46:29,218 INFO L444 ModelExtractionUtils]: 9 out of 34 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-11-20 05:46:29,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 05:46:29,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 05:46:29,220 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 05:46:29,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-11-20 05:46:29,222 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 05:46:29,232 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 05:46:29,233 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 05:46:29,233 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(selectionSort_~index~0, selectionSort_~size) = -1*selectionSort_~index~0 + 1*selectionSort_~size Supporting invariants [] [2021-11-20 05:46:29,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:29,300 INFO L297 tatePredicateManager]: 17 out of 17 supporting invariants were superfluous and have been removed [2021-11-20 05:46:29,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:29,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,368 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,370 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,472 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,472 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:29,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:29,495 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 05:46:29,495 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:29,530 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-11-20 05:46:29,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:29,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:29,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-11-20 05:46:29,532 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-11-20 05:46:29,532 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:29,532 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 05:46:29,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:29,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,591 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:29,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:29,735 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 05:46:29,735 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:29,765 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 8 states. [2021-11-20 05:46:29,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:29,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:29,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2021-11-20 05:46:29,768 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 24 letters. Loop has 3 letters. [2021-11-20 05:46:29,768 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:29,769 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 05:46:29,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 05:46:29,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:29,957 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-11-20 05:46:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 05:46:29,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 05:46:29,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 05:46:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 05:46:30,009 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 2 loop predicates [2021-11-20 05:46:30,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:30,030 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 34 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 7 states. [2021-11-20 05:46:30,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 05:46:30,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 05:46:30,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-11-20 05:46:30,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 3 letters. [2021-11-20 05:46:30,033 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:30,033 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 27 letters. Loop has 3 letters. [2021-11-20 05:46:30,034 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:30,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 24 letters. Loop has 6 letters. [2021-11-20 05:46:30,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 05:46:30,035 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2021-11-20 05:46:30,036 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:46:30,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2021-11-20 05:46:30,036 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 05:46:30,036 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 05:46:30,037 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 05:46:30,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 05:46:30,037 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:46:30,037 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:46:30,037 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 05:46:30,037 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-11-20 05:46:30,038 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 05:46:30,038 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 05:46:30,038 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 05:46:30,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 05:46:30 BoogieIcfgContainer [2021-11-20 05:46:30,047 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 05:46:30,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 05:46:30,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 05:46:30,048 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 05:46:30,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:46:10" (3/4) ... [2021-11-20 05:46:30,052 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 05:46:30,052 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 05:46:30,053 INFO L158 Benchmark]: Toolchain (without parser) took 21056.63ms. Allocated memory was 79.7MB in the beginning and 159.4MB in the end (delta: 79.7MB). Free memory was 43.2MB in the beginning and 119.2MB in the end (delta: -76.0MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2021-11-20 05:46:30,054 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:46:30,054 INFO L158 Benchmark]: CACSL2BoogieTranslator took 372.33ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 84.8MB in the end (delta: -41.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. [2021-11-20 05:46:30,055 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.20ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 05:46:30,055 INFO L158 Benchmark]: Boogie Preprocessor took 49.62ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:46:30,056 INFO L158 Benchmark]: RCFGBuilder took 520.59ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 72.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 05:46:30,056 INFO L158 Benchmark]: BuchiAutomizer took 20042.33ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 119.2MB in the end (delta: -47.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2021-11-20 05:46:30,057 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 159.4MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 05:46:30,059 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory was 59.9MB in the beginning and 59.9MB in the end (delta: 45.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 372.33ms. Allocated memory was 79.7MB in the beginning and 109.1MB in the end (delta: 29.4MB). Free memory was 43.0MB in the beginning and 84.8MB in the end (delta: -41.8MB). Peak memory consumption was 3.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.20ms. Allocated memory is still 109.1MB. Free memory was 84.6MB in the beginning and 83.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.62ms. Allocated memory is still 109.1MB. Free memory was 83.2MB in the beginning and 82.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 520.59ms. Allocated memory is still 109.1MB. Free memory was 82.1MB in the beginning and 72.0MB in the end (delta: 10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 20042.33ms. Allocated memory was 109.1MB in the beginning and 159.4MB in the end (delta: 50.3MB). Free memory was 71.8MB in the beginning and 119.2MB in the end (delta: -47.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 159.4MB. Free memory is still 119.2MB. 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 9 terminating modules (5 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. One deterministic module has affine ranking function \old(size) + -1 * \old(startIndex) and consists of 4 locations. One deterministic module has affine ranking function size + -1 * index and consists of 4 locations. One nondeterministic module has affine ranking function size + -1 * index and consists of 4 locations. 5 modules have a trivial ranking function, the largest among these consists of 19 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.9s and 10 iterations. TraceHistogramMax:3. Analysis of lassos took 17.5s. Construction of modules took 0.3s. Büchi inclusion checks took 1.7s. Highest rank in rank-based complementation 3. Minimization of det autom 5. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 32 StatesRemovedByMinimization, 6 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 28 states and ocurred in iteration 8. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/1 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 175 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 169 mSDsluCounter, 325 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 199 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 373 IncrementalHoareTripleChecker+Invalid, 408 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 126 mSDtfsCounter, 373 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU3 SILI1 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital183 mio100 ax100 hnf99 lsp96 ukn69 mio100 lsp62 div100 bol100 ite100 ukn100 eq157 hnf92 smp93 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 3 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 05:46:30,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:30,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2021-11-20 05:46:30,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2021-11-20 05:46:30,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f7b143-18a2-42a0-b099-ce17512feebe/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE