./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt --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 0d5c046770a708e0857845f9429def45b08d1347 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:07:44,514 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:07:44,516 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:07:44,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:07:44,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:07:44,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:07:44,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:07:44,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:07:44,562 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:07:44,563 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:07:44,565 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:07:44,566 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:07:44,569 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:07:44,573 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:07:44,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:07:44,579 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:07:44,583 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:07:44,592 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:07:44,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:07:44,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:07:44,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:07:44,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:07:44,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:07:44,618 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:07:44,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:07:44,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:07:44,629 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:07:44,631 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:07:44,632 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:07:44,634 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:07:44,636 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:07:44,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:07:44,640 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:07:44,642 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:07:44,644 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:07:44,644 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:07:44,645 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:07:44,645 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:07:44,646 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:07:44,647 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:07:44,648 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:07:44,649 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:07:44,706 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:07:44,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:07:44,707 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:07:44,707 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:07:44,709 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:07:44,709 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:07:44,709 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:07:44,710 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:07:44,710 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:07:44,710 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:07:44,711 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:07:44,712 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:07:44,712 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:07:44,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:07:44,712 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:07:44,713 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:07:44,713 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:07:44,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:07:44,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:07:44,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:07:44,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:07:44,714 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:07:44,714 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:07:44,714 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:07:44,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:07:44,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:07:44,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:07:44,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:07:44,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:07:44,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:07:44,719 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_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5c046770a708e0857845f9429def45b08d1347 [2021-10-13 01:07:45,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:07:45,057 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:07:45,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:07:45,063 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:07:45,064 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:07:45,065 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca.i [2021-10-13 01:07:45,134 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/data/e38ef0f25/cc41f9788851448badff02e33e2acef9/FLAGdb9088c21 [2021-10-13 01:07:45,687 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:07:45,688 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/sv-benchmarks/c/termination-memory-alloca/CookSeeZuleger-2013TACAS-Fig7a-alloca.i [2021-10-13 01:07:45,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/data/e38ef0f25/cc41f9788851448badff02e33e2acef9/FLAGdb9088c21 [2021-10-13 01:07:46,000 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/data/e38ef0f25/cc41f9788851448badff02e33e2acef9 [2021-10-13 01:07:46,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:07:46,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:07:46,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:07:46,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:07:46,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:07:46,024 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a5751ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46, skipping insertion in model container [2021-10-13 01:07:46,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,035 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:07:46,075 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:07:46,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:07:46,418 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:07:46,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:07:46,526 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:07:46,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46 WrapperNode [2021-10-13 01:07:46,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:07:46,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:07:46,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:07:46,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:07:46,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,573 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:07:46,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:07:46,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:07:46,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:07:46,581 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,581 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:07:46,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:07:46,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:07:46,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:07:46,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (1/1) ... [2021-10-13 01:07:46,607 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:46,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:46,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:46,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:07:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:07:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:07:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 01:07:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:07:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:07:46,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:07:47,007 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:07:47,008 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:07:47,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:47 BoogieIcfgContainer [2021-10-13 01:07:47,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:07:47,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:07:47,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:07:47,025 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:07:47,026 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:47,026 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:07:46" (1/3) ... [2021-10-13 01:07:47,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d92e66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:07:47, skipping insertion in model container [2021-10-13 01:07:47,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:47,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:07:46" (2/3) ... [2021-10-13 01:07:47,028 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6d92e66d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:07:47, skipping insertion in model container [2021-10-13 01:07:47,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:07:47,029 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:47" (3/3) ... [2021-10-13 01:07:47,030 INFO L389 chiAutomizerObserver]: Analyzing ICFG CookSeeZuleger-2013TACAS-Fig7a-alloca.i [2021-10-13 01:07:47,083 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:07:47,083 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:07:47,083 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:07:47,083 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:07:47,083 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:07:47,084 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:07:47,084 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:07:47,084 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:07:47,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:47,121 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:47,122 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:47,122 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:47,129 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:07:47,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:07:47,130 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:07:47,130 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:47,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:47,132 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:47,132 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:47,133 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:07:47,133 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:07:47,141 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 10#L-1true havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 3#L552-2true [2021-10-13 01:07:47,142 INFO L793 eck$LassoCheckResult]: Loop: 3#L552-2true call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 8#L551-1true assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 9#L551-3true main_#t~short9 := main_#t~short7; 12#L551-4true assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 7#L551-6true assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 13#L552true assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 3#L552-2true [2021-10-13 01:07:47,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:47,150 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-13 01:07:47,162 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:47,162 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116257360] [2021-10-13 01:07:47,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:47,164 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,270 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,307 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:47,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:47,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 1 times [2021-10-13 01:07:47,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:47,312 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261270247] [2021-10-13 01:07:47,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:47,312 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:47,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,345 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:47,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:47,394 INFO L82 PathProgramCache]: Analyzing trace with hash 177626380, now seen corresponding path program 1 times [2021-10-13 01:07:47,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:47,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655930634] [2021-10-13 01:07:47,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:47,395 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,440 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:47,481 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:48,287 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:07:48,287 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:07:48,288 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:07:48,288 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:07:48,288 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:07:48,288 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:48,289 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:07:48,289 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:07:48,289 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration1_Lasso [2021-10-13 01:07:48,289 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:07:48,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:07:48,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,337 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,761 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,770 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,785 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:48,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:49,267 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:07:49,271 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:07:49,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,279 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:07:49,292 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,302 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:49,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:49,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:49,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 01:07:49,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:07:49,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,375 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:49,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,376 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:07:49,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,378 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-13 01:07:49,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:49,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,429 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,447 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:49,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:49,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:49,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:07:49,452 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,490 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,494 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,515 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:49,516 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:49,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:07:49,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,567 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,569 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:07:49,579 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,594 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:49,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:49,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,646 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,648 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:07:49,650 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,681 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:49,681 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:49,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,747 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:49,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:49,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:07:49,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:49,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:49,816 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,820 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:49,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:49,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:49,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:49,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:49,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:49,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:49,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:49,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:07:49,857 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:07:49,884 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:07:49,884 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:07:49,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:49,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:49,910 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:49,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:07:49,912 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:07:49,912 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:07:49,912 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:07:49,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_1 Supporting invariants [] [2021-10-13 01:07:49,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:50,076 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:07:50,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:50,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:50,170 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:07:50,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:07:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:50,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:07:50,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:07:50,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:07:50,450 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 [2021-10-13 01:07:50,451 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:50,587 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 55 states and 71 transitions. Complement of second has 10 states. [2021-10-13 01:07:50,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:07:50,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:50,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 29 transitions. [2021-10-13 01:07:50,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-13 01:07:50,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:50,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 01:07:50,595 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:50,595 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 29 transitions. Stem has 2 letters. Loop has 12 letters. [2021-10-13 01:07:50,596 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:50,597 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 71 transitions. [2021-10-13 01:07:50,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-13 01:07:50,614 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 31 states and 44 transitions. [2021-10-13 01:07:50,615 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 01:07:50,615 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 01:07:50,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 44 transitions. [2021-10-13 01:07:50,620 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:07:50,620 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 44 transitions. [2021-10-13 01:07:50,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 44 transitions. [2021-10-13 01:07:50,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2021-10-13 01:07:50,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.4) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:50,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 42 transitions. [2021-10-13 01:07:50,653 INFO L704 BuchiCegarLoop]: Abstraction has 30 states and 42 transitions. [2021-10-13 01:07:50,653 INFO L587 BuchiCegarLoop]: Abstraction has 30 states and 42 transitions. [2021-10-13 01:07:50,653 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:07:50,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 42 transitions. [2021-10-13 01:07:50,665 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-10-13 01:07:50,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:50,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:50,665 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-13 01:07:50,665 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:07:50,666 INFO L791 eck$LassoCheckResult]: Stem: 228#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 229#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 239#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 243#L551-1 [2021-10-13 01:07:50,666 INFO L793 eck$LassoCheckResult]: Loop: 243#L551-1 assume !main_#t~short7; 247#L551-3 main_#t~short9 := main_#t~short7; 252#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 251#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 250#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 248#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 243#L551-1 [2021-10-13 01:07:50,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,668 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-13 01:07:50,668 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:50,669 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204511122] [2021-10-13 01:07:50,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:50,670 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,714 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:50,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,751 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:50,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1244514134, now seen corresponding path program 1 times [2021-10-13 01:07:50,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:50,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133891248] [2021-10-13 01:07:50,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:50,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:50,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:50,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:07:50,819 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:07:50,820 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133891248] [2021-10-13 01:07:50,820 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133891248] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:07:50,820 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:07:50,820 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 01:07:50,821 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666333872] [2021-10-13 01:07:50,823 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-13 01:07:50,824 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:07:50,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 01:07:50,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 01:07:50,828 INFO L87 Difference]: Start difference. First operand 30 states and 42 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:50,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:07:50,856 INFO L93 Difference]: Finished difference Result 32 states and 35 transitions. [2021-10-13 01:07:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 01:07:50,857 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 35 transitions. [2021-10-13 01:07:50,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:50,865 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 20 states and 23 transitions. [2021-10-13 01:07:50,865 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2021-10-13 01:07:50,865 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2021-10-13 01:07:50,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 23 transitions. [2021-10-13 01:07:50,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:07:50,865 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 01:07:50,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 23 transitions. [2021-10-13 01:07:50,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2021-10-13 01:07:50,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.15) internal successors, (23), 19 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:50,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 23 transitions. [2021-10-13 01:07:50,870 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 01:07:50,870 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 23 transitions. [2021-10-13 01:07:50,870 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:07:50,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 23 transitions. [2021-10-13 01:07:50,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:50,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:50,874 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:50,875 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:07:50,875 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:07:50,875 INFO L791 eck$LassoCheckResult]: Stem: 300#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 301#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 310#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 299#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 306#L551-3 main_#t~short9 := main_#t~short7; 308#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 302#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 303#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 295#L552-2 [2021-10-13 01:07:50,875 INFO L793 eck$LassoCheckResult]: Loop: 295#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 296#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 314#L551-3 main_#t~short9 := main_#t~short7; 313#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 312#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 311#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 295#L552-2 [2021-10-13 01:07:50,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,877 INFO L82 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 1 times [2021-10-13 01:07:50,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:50,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461698450] [2021-10-13 01:07:50,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:50,878 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,926 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:50,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 2 times [2021-10-13 01:07:50,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:50,951 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52852402] [2021-10-13 01:07:50,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:50,952 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,960 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,971 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:50,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:50,972 INFO L82 PathProgramCache]: Analyzing trace with hash -692497897, now seen corresponding path program 1 times [2021-10-13 01:07:50,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:50,972 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711068403] [2021-10-13 01:07:50,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:50,972 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:50,996 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:51,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:51,043 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:52,508 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:07:52,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:07:52,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:07:52,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:07:52,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:07:52,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:52,509 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:07:52,509 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:07:52,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration3_Lasso [2021-10-13 01:07:52,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:07:52,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:07:52,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,527 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,539 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:52,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:53,433 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:07:53,433 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:07:53,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,434 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:07:53,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:53,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:53,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:53,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,480 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-13 01:07:53,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,481 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:07:53,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:53,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:53,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,570 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:07:53,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:53,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:53,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:53,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,645 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:53,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:53,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:53,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:07:53,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,720 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,726 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:53,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:53,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:07:53,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,787 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,788 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:07:53,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:53,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:53,821 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,841 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,841 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,842 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:07:53,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,854 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:53,854 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:53,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,892 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:07:53,896 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:53,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:53,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:53,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,924 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,924 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,925 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:07:53,930 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:53,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:53,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:53,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:53,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:53,961 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:53,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:53,962 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:53,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:07:53,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:53,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:53,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:53,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:53,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:53,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:53,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:53,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-13 01:07:54,023 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,024 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:07:54,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,036 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,050 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,050 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,114 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:07:54,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,207 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,208 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,225 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,225 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:07:54,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,278 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,290 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,290 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,290 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:07:54,313 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,355 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,356 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:07:54,393 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,432 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:54,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,449 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,449 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:07:54,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:54,506 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,510 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,518 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 [2021-10-13 01:07:54,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:54,530 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:54,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:54,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:54,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:07:54,537 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:54,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:54,553 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:07:54,566 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:07:54,566 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:07:54,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:54,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:54,568 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:54,572 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:07:54,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:07:54,599 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:07:54,599 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:07:54,599 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_2 Supporting invariants [] [2021-10-13 01:07:54,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:54,717 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:07:54,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:54,756 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:07:54,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:07:54,803 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:07:54,803 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:07:54,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:54,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:07:54,860 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:07:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:07:54,989 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:07:54,989 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:55,051 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 23 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 37 transitions. Complement of second has 8 states. [2021-10-13 01:07:55,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:07:55,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:55,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-13 01:07:55,052 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 01:07:55,052 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:55,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:07:55,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:55,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 12 letters. [2021-10-13 01:07:55,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:07:55,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2021-10-13 01:07:55,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:55,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 32 states and 37 transitions. [2021-10-13 01:07:55,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-13 01:07:55,056 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 01:07:55,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 37 transitions. [2021-10-13 01:07:55,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:07:55,056 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-10-13 01:07:55,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 37 transitions. [2021-10-13 01:07:55,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-10-13 01:07:55,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:07:55,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-10-13 01:07:55,060 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-10-13 01:07:55,060 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-10-13 01:07:55,060 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:07:55,060 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2021-10-13 01:07:55,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2021-10-13 01:07:55,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:07:55,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:07:55,062 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1] [2021-10-13 01:07:55,062 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:07:55,063 INFO L791 eck$LassoCheckResult]: Stem: 522#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 523#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 533#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 541#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 539#L551-3 main_#t~short9 := main_#t~short7; 538#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 537#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 536#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 535#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 521#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 528#L551-3 main_#t~short9 := main_#t~short7; 531#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 524#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 525#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 517#L552-2 [2021-10-13 01:07:55,063 INFO L793 eck$LassoCheckResult]: Loop: 517#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 518#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 544#L551-3 main_#t~short9 := main_#t~short7; 543#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 542#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 540#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 517#L552-2 [2021-10-13 01:07:55,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:55,063 INFO L82 PathProgramCache]: Analyzing trace with hash -692497895, now seen corresponding path program 2 times [2021-10-13 01:07:55,063 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:55,064 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862513958] [2021-10-13 01:07:55,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:55,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,090 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,133 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:55,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:55,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577162, now seen corresponding path program 3 times [2021-10-13 01:07:55,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:55,134 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122980121] [2021-10-13 01:07:55,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:55,134 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,154 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:55,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:55,173 INFO L82 PathProgramCache]: Analyzing trace with hash 502600418, now seen corresponding path program 2 times [2021-10-13 01:07:55,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:07:55,174 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865487033] [2021-10-13 01:07:55,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:07:55,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:07:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,227 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:07:55,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:07:55,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:07:55,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-13 01:07:57,933 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:07:57,933 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:07:57,933 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:07:57,933 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:07:57,933 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:07:57,934 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:57,934 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:07:57,934 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:07:57,934 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration4_Lasso [2021-10-13 01:07:57,934 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:07:57,934 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:07:57,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:57,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:57,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,519 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,526 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,528 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:58,533 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:07:59,062 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:07:59,062 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:07:59,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,066 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:07:59,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:59,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:59,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:59,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,106 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,106 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:07:59,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,116 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:07:59,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,117 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:07:59,117 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:07:59,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-13 01:07:59,142 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,143 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:07:59,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:07:59,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,217 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:07:59,226 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,233 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,233 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,235 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-13 01:07:59,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,263 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:07:59,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,353 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,354 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:07:59,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,373 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,397 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,399 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,412 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,412 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:07:59,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,467 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:07:59,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,500 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-10-13 01:07:59,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,501 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:07:59,504 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 [2021-10-13 01:07:59,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,546 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,547 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:07:59,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,561 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,561 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:07:59,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,635 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,637 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:07:59,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:07:59,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:07:59,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:07:59,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:07:59,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:07:59,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:07:59,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:07:59,666 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:07:59,678 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-13 01:07:59,678 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:07:59,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:07:59,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:07:59,679 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:07:59,681 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:07:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:07:59,692 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:07:59,692 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:07:59,692 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~x~0.base) ULTIMATE.start_main_~x~0.offset)_3 Supporting invariants [] [2021-10-13 01:07:59,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-13 01:07:59,796 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:07:59,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:07:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:59,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:07:59,850 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:07:59,867 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-10-13 01:07:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:07:59,977 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:07:59,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:00,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:00,117 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:08:00,117 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:00,189 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2021-10-13 01:08:00,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:00,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-13 01:08:00,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:08:00,199 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:00,199 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:00,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:00,249 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:00,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:00,286 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:08:00,286 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:08:00,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:00,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:00,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:00,542 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:08:00,542 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:00,609 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 49 transitions. Complement of second has 8 states. [2021-10-13 01:08:00,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:00,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:00,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-13 01:08:00,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:08:00,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:00,611 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:00,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:00,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:00,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-13 01:08:00,676 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:00,700 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 12 [2021-10-13 01:08:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:00,840 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:00,856 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:00,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:01,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:01,001 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:08:01,001 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:01,065 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 37 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 56 transitions. Complement of second has 7 states. [2021-10-13 01:08:01,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:01,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:01,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-10-13 01:08:01,067 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 6 letters. [2021-10-13 01:08:01,068 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:01,068 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 20 letters. Loop has 6 letters. [2021-10-13 01:08:01,069 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:01,069 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 14 letters. Loop has 12 letters. [2021-10-13 01:08:01,070 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:01,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 56 transitions. [2021-10-13 01:08:01,072 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-13 01:08:01,073 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 38 states and 44 transitions. [2021-10-13 01:08:01,073 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-13 01:08:01,073 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2021-10-13 01:08:01,073 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 44 transitions. [2021-10-13 01:08:01,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:01,074 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 44 transitions. [2021-10-13 01:08:01,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 44 transitions. [2021-10-13 01:08:01,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 14. [2021-10-13 01:08:01,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.1428571428571428) internal successors, (16), 13 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:01,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 16 transitions. [2021-10-13 01:08:01,076 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-13 01:08:01,076 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 16 transitions. [2021-10-13 01:08:01,076 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:08:01,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 16 transitions. [2021-10-13 01:08:01,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-13 01:08:01,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:01,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:01,078 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:08:01,078 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:08:01,078 INFO L791 eck$LassoCheckResult]: Stem: 1020#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1021#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 1016#L552-2 [2021-10-13 01:08:01,078 INFO L793 eck$LassoCheckResult]: Loop: 1016#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1018#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1026#L551-3 main_#t~short9 := main_#t~short7; 1028#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1022#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1023#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 1016#L552-2 [2021-10-13 01:08:01,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:01,079 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-13 01:08:01,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:01,079 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694877464] [2021-10-13 01:08:01,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:01,079 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:01,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,087 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,093 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:01,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:01,094 INFO L82 PathProgramCache]: Analyzing trace with hash 1097577164, now seen corresponding path program 1 times [2021-10-13 01:08:01,094 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:01,094 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800012288] [2021-10-13 01:08:01,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:01,095 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,105 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,115 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:01,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:01,116 INFO L82 PathProgramCache]: Analyzing trace with hash 177626382, now seen corresponding path program 3 times [2021-10-13 01:08:01,116 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:01,116 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895633395] [2021-10-13 01:08:01,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:01,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,131 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:01,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:01,898 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:01,898 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:01,898 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:01,898 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:01,898 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:01,898 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:01,898 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:01,898 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:01,898 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration5_Lasso [2021-10-13 01:08:01,898 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:01,899 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:01,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:01,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:01,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:01,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:02,724 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:02,724 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:02,724 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,751 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:02,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:08:02,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:02,765 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:02,765 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:02,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:02,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:02,800 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,801 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:08:02,804 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:02,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,812 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:02,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:02,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:02,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:02,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:02,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:08:02,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,838 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,840 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 [2021-10-13 01:08:02,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:08:02,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:02,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:02,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:02,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:02,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 01:08:02,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,888 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:08:02,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:02,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:02,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:02,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:02,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:02,902 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:02,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:02,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,927 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:08:02,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:02,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:02,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:02,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:02,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:02,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:02,988 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:02,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:02,989 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:02,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:08:02,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:02,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:02,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:02,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:02,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:03,001 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:03,001 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:03,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:03,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:08:03,026 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:03,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:03,026 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:03,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:08:03,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:03,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:03,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:03,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:03,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:03,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:03,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:03,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:03,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 01:08:03,070 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:03,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:03,071 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:03,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:08:03,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:03,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:03,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:03,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:03,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:03,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:03,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:03,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:03,105 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:03,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:03,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:03,106 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:03,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:08:03,107 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:03,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:03,114 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:03,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:03,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:03,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:03,115 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:03,115 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:03,117 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:03,119 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:08:03,119 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:08:03,119 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:03,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:03,120 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:03,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:03,122 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:08:03,122 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:03,122 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~d~0.base) ULTIMATE.start_main_~d~0.offset)_4) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~d~0.base) ULTIMATE.start_main_~d~0.offset)_4 Supporting invariants [] [2021-10-13 01:08:03,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:08:03,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:03,226 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:08:03,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:03,259 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:03,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:03,272 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:03,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:03,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:03,412 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 [2021-10-13 01:08:03,412 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:03,478 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 16 transitions. cyclomatic complexity: 3. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 36 states and 42 transitions. Complement of second has 9 states. [2021-10-13 01:08:03,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:03,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:03,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 8 transitions. [2021-10-13 01:08:03,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-13 01:08:03,481 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:03,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 01:08:03,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:03,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 8 transitions. Stem has 2 letters. Loop has 12 letters. [2021-10-13 01:08:03,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:03,484 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 42 transitions. [2021-10-13 01:08:03,485 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-13 01:08:03,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 30 transitions. [2021-10-13 01:08:03,486 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-13 01:08:03,487 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-13 01:08:03,487 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 30 transitions. [2021-10-13 01:08:03,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:03,487 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 30 transitions. [2021-10-13 01:08:03,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 30 transitions. [2021-10-13 01:08:03,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 21. [2021-10-13 01:08:03,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 20 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:03,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2021-10-13 01:08:03,492 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 01:08:03,492 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 25 transitions. [2021-10-13 01:08:03,492 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:08:03,492 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 25 transitions. [2021-10-13 01:08:03,493 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 12 [2021-10-13 01:08:03,493 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:03,493 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:03,494 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:03,494 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-10-13 01:08:03,494 INFO L791 eck$LassoCheckResult]: Stem: 1223#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1224#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 1219#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1220#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1231#L551-3 main_#t~short9 := main_#t~short7; 1233#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1227#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1228#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 1236#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1229#L551-1 [2021-10-13 01:08:03,494 INFO L793 eck$LassoCheckResult]: Loop: 1229#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1230#L551-3 main_#t~short9 := main_#t~short7; 1232#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1225#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1226#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 1234#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1229#L551-1 [2021-10-13 01:08:03,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:03,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1211450491, now seen corresponding path program 2 times [2021-10-13 01:08:03,495 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:03,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020330020] [2021-10-13 01:08:03,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:03,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,582 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:03,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,609 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:03,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1187255894, now seen corresponding path program 2 times [2021-10-13 01:08:03,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:03,610 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682286572] [2021-10-13 01:08:03,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:03,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:03,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,626 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,636 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:03,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:03,636 INFO L82 PathProgramCache]: Analyzing trace with hash 816748368, now seen corresponding path program 3 times [2021-10-13 01:08:03,636 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:03,637 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879426806] [2021-10-13 01:08:03,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:03,637 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,654 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:03,677 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:05,109 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:05,109 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:05,109 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:05,109 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:05,109 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:05,109 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:05,109 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:05,110 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:05,110 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration6_Lasso [2021-10-13 01:08:05,110 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:05,110 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:05,114 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,132 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:05,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:06,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:06,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:06,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:06,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:06,668 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:06,668 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:06,669 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,669 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,674 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:06,690 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:06,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:08:06,701 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,740 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,743 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:08:06,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:06,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:06,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,782 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:08:06,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:06,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:06,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,823 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-13 01:08:06,825 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,833 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,833 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:06,833 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,834 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:06,834 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:06,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,861 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-13 01:08:06,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:06,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:06,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:06,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,899 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-13 01:08:06,903 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,913 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:06,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,914 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:06,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:06,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,941 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-13 01:08:06,942 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,951 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,951 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,951 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,952 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:06,952 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:06,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:06,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:06,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:06,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:06,980 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:06,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-13 01:08:06,981 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:06,989 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:06,989 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:06,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:06,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:06,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:06,990 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:06,990 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:06,991 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,019 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,019 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-13 01:08:07,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:07,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,029 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:07,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:07,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,057 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-13 01:08:07,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,069 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:07,069 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:07,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,098 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-13 01:08:07,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:07,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,110 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:07,110 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:07,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,135 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,135 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,136 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-13 01:08:07,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:07,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:07,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:07,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,172 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-13 01:08:07,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,173 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-13 01:08:07,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,187 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:07,187 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:07,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,213 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-13 01:08:07,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,214 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-13 01:08:07,215 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,224 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:07,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:07,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,274 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,274 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-13 01:08:07,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:07,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:07,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:07,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-13 01:08:07,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,310 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-13 01:08:07,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:07,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:07,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:07,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:07,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:07,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:07,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:07,350 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:07,358 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:08:07,358 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:08:07,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:07,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:07,359 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:07,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-13 01:08:07,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:07,372 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:08:07,372 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:07,372 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~d~0.base) ULTIMATE.start_main_~d~0.offset)_5) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~d~0.base) ULTIMATE.start_main_~d~0.offset)_5 Supporting invariants [] [2021-10-13 01:08:07,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:07,475 INFO L297 tatePredicateManager]: 23 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:08:07,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:07,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:07,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:07,518 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:07,553 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:08:07,554 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:08:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:07,616 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:07,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:08:07,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:08,006 INFO L354 Elim1Store]: treesize reduction 164, result has 42.5 percent of original size [2021-10-13 01:08:08,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 357 treesize of output 229 [2021-10-13 01:08:08,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-10-13 01:08:08,319 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-13 01:08:08,320 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 28 [2021-10-13 01:08:08,473 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 01:08:08,473 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 176 treesize of output 168 [2021-10-13 01:08:10,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 26 [2021-10-13 01:08:10,369 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-10-13 01:08:10,436 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:10,460 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:10,736 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-10-13 01:08:11,272 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 34 [2021-10-13 01:08:11,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2021-10-13 01:08:11,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:11,342 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-13 01:08:11,343 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:11,404 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 44 transitions. Complement of second has 10 states. [2021-10-13 01:08:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:11,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-13 01:08:11,405 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-13 01:08:11,405 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:11,405 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:11,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:11,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:11,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:11,468 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:08:11,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:08:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:11,531 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:11,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:08:11,811 INFO L354 Elim1Store]: treesize reduction 164, result has 42.5 percent of original size [2021-10-13 01:08:11,811 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 357 treesize of output 229 [2021-10-13 01:08:11,880 INFO L354 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2021-10-13 01:08:11,880 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 58 [2021-10-13 01:08:12,150 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 01:08:12,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 178 treesize of output 170 [2021-10-13 01:08:13,933 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-13 01:08:13,962 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:14,271 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2021-10-13 01:08:14,562 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 27 [2021-10-13 01:08:15,043 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-13 01:08:15,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 73 treesize of output 49 [2021-10-13 01:08:15,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:15,118 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-13 01:08:15,118 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:15,178 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 39 transitions. Complement of second has 12 states. [2021-10-13 01:08:15,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:15,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:15,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2021-10-13 01:08:15,181 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 9 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-13 01:08:15,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:15,181 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:08:15,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:15,233 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:08:15,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:15,254 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:08:15,255 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:08:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:15,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-13 01:08:15,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:15,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:08:15,656 INFO L354 Elim1Store]: treesize reduction 164, result has 42.5 percent of original size [2021-10-13 01:08:15,657 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 13 case distinctions, treesize of input 357 treesize of output 229 [2021-10-13 01:08:15,718 WARN L220 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:15,749 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-10-13 01:08:15,828 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-13 01:08:15,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 28 [2021-10-13 01:08:15,984 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:16,147 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-10-13 01:08:16,148 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 48 treesize of output 36 [2021-10-13 01:08:16,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 36 [2021-10-13 01:08:16,278 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-10-13 01:08:16,304 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:16,416 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-13 01:08:16,416 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 155 treesize of output 151 [2021-10-13 01:08:16,636 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 36 [2021-10-13 01:08:16,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:08:16,683 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 4 loop predicates [2021-10-13 01:08:16,683 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:16,757 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 25 transitions. cyclomatic complexity: 6. Second operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 53 transitions. Complement of second has 11 states. [2021-10-13 01:08:16,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:16,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 7 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 17 transitions. [2021-10-13 01:08:16,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 6 letters. [2021-10-13 01:08:16,759 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:16,759 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 15 letters. Loop has 6 letters. [2021-10-13 01:08:16,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:16,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 17 transitions. Stem has 9 letters. Loop has 12 letters. [2021-10-13 01:08:16,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:16,761 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 53 transitions. [2021-10-13 01:08:16,762 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 14 [2021-10-13 01:08:16,762 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 25 states and 29 transitions. [2021-10-13 01:08:16,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-13 01:08:16,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2021-10-13 01:08:16,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2021-10-13 01:08:16,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:08:16,763 INFO L681 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2021-10-13 01:08:16,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2021-10-13 01:08:16,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 16. [2021-10-13 01:08:16,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.1875) internal successors, (19), 15 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:16,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2021-10-13 01:08:16,766 INFO L704 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-13 01:08:16,766 INFO L587 BuchiCegarLoop]: Abstraction has 16 states and 19 transitions. [2021-10-13 01:08:16,766 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-13 01:08:16,766 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 16 states and 19 transitions. [2021-10-13 01:08:16,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 13 [2021-10-13 01:08:16,767 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:08:16,767 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:08:16,768 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:08:16,768 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [2, 2, 2, 2, 2, 1, 1] [2021-10-13 01:08:16,768 INFO L791 eck$LassoCheckResult]: Stem: 1670#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 1671#L-1 havoc main_#res;havoc main_#t~malloc2.base, main_#t~malloc2.offset, main_#t~malloc3.base, main_#t~malloc3.offset, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~nondet10, main_#t~mem11, main_#t~nondet12, main_#t~nondet13, main_#t~mem14, main_#t~mem15, main_#t~mem5, main_#t~mem6, main_#t~short7, main_#t~mem8, main_#t~short9, main_~x~0.base, main_~x~0.offset, main_~y~0.base, main_~y~0.offset, main_~d~0.base, main_~d~0.offset;call main_#t~malloc2.base, main_#t~malloc2.offset := #Ultimate.allocOnStack(4);main_~x~0.base, main_~x~0.offset := main_#t~malloc2.base, main_#t~malloc2.offset;call main_#t~malloc3.base, main_#t~malloc3.offset := #Ultimate.allocOnStack(4);main_~y~0.base, main_~y~0.offset := main_#t~malloc3.base, main_#t~malloc3.offset;call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnStack(4);main_~d~0.base, main_~d~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset; 1666#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1667#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1681#L551-3 main_#t~short9 := main_#t~short7; 1680#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1679#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1678#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 1677#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1674#L551-1 [2021-10-13 01:08:16,768 INFO L793 eck$LassoCheckResult]: Loop: 1674#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1675#L551-3 main_#t~short9 := main_#t~short7; 1676#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1672#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1673#L552 assume !(0 != main_#t~nondet10);havoc main_#t~nondet10;call write~int(main_#t~nondet13, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~nondet13;call main_#t~mem14 := read~int(main_~y~0.base, main_~y~0.offset, 4);call write~int(main_#t~mem14 - 1, main_~y~0.base, main_~y~0.offset, 4);havoc main_#t~mem14;call main_#t~mem15 := read~int(main_~d~0.base, main_~d~0.offset, 4);call write~int(main_#t~mem15 - 1, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~mem15; 1669#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1667#L551-1 assume main_#t~short7;call main_#t~mem6 := read~int(main_~y~0.base, main_~y~0.offset, 4);main_#t~short7 := main_#t~mem6 > 0; 1681#L551-3 main_#t~short9 := main_#t~short7; 1680#L551-4 assume main_#t~short9;call main_#t~mem8 := read~int(main_~d~0.base, main_~d~0.offset, 4);main_#t~short9 := main_#t~mem8 > 0; 1679#L551-6 assume !!main_#t~short9;havoc main_#t~mem5;havoc main_#t~mem6;havoc main_#t~short7;havoc main_#t~mem8;havoc main_#t~short9; 1678#L552 assume 0 != main_#t~nondet10;havoc main_#t~nondet10;call main_#t~mem11 := read~int(main_~x~0.base, main_~x~0.offset, 4);call write~int(main_#t~mem11 - 1, main_~x~0.base, main_~x~0.offset, 4);havoc main_#t~mem11;call write~int(main_#t~nondet12, main_~d~0.base, main_~d~0.offset, 4);havoc main_#t~nondet12; 1677#L552-2 call main_#t~mem5 := read~int(main_~x~0.base, main_~x~0.offset, 4);main_#t~short7 := main_#t~mem5 > 0; 1674#L551-1 [2021-10-13 01:08:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:16,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1211450491, now seen corresponding path program 3 times [2021-10-13 01:08:16,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:16,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867968312] [2021-10-13 01:08:16,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:16,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:16,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,784 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:16,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:16,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1005496147, now seen corresponding path program 1 times [2021-10-13 01:08:16,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:16,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753375411] [2021-10-13 01:08:16,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:16,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,811 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,825 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:16,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:16,826 INFO L82 PathProgramCache]: Analyzing trace with hash -588138969, now seen corresponding path program 4 times [2021-10-13 01:08:16,826 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:08:16,852 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933920086] [2021-10-13 01:08:16,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:08:16,853 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:08:16,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,872 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:08:16,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:08:16,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:08:18,579 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:08:18,579 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:08:18,579 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:08:18,579 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:08:18,579 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:08:18,579 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:18,580 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:08:18,580 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:08:18,580 INFO L133 ssoRankerPreferences]: Filename of dumped script: CookSeeZuleger-2013TACAS-Fig7a-alloca.i_Iteration7_Lasso [2021-10-13 01:08:18,580 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:08:18,580 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:08:18,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:18,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:19,635 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:19,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:19,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:19,641 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:08:20,192 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:08:20,192 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:08:20,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,193 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-13 01:08:20,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,205 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,205 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,234 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-13 01:08:20,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,235 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-13 01:08:20,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,273 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-13 01:08:20,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,284 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,284 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,284 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,321 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,322 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-13 01:08:20,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,359 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-13 01:08:20,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,368 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,368 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,370 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,370 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,396 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,397 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-13 01:08:20,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,433 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-13 01:08:20,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-13 01:08:20,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,467 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-13 01:08:20,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,478 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,478 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-13 01:08:20,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,510 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-13 01:08:20,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,543 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,544 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-13 01:08:20,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,554 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,554 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,581 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-13 01:08:20,581 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,582 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-13 01:08:20,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,598 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,598 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-13 01:08:20,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,630 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-13 01:08:20,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,643 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,643 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,650 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,672 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-13 01:08:20,673 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,674 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-13 01:08:20,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,685 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,685 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,685 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,687 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-13 01:08:20,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,730 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-13 01:08:20,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,744 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:08:20,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:08:20,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:08:20,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-13 01:08:20,771 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,772 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-13 01:08:20,773 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:08:20,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:08:20,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:08:20,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:08:20,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:08:20,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:08:20,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:08:20,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:08:20,783 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:08:20,786 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-13 01:08:20,786 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-13 01:08:20,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:08:20,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:08:20,787 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:08:20,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-13 01:08:20,788 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:08:20,788 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-13 01:08:20,788 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:08:20,788 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~y~0.base) ULTIMATE.start_main_~y~0.offset)_6 Supporting invariants [] [2021-10-13 01:08:20,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:20,889 INFO L297 tatePredicateManager]: 20 out of 24 supporting invariants were superfluous and have been removed [2021-10-13 01:08:20,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:08:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:20,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 01:08:20,927 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:20,946 INFO L354 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2021-10-13 01:08:20,946 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2021-10-13 01:08:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:08:21,135 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 14 conjunts are in the unsatisfiable core [2021-10-13 01:08:21,136 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:08:21,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:08:21,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-10-13 01:08:21,483 INFO L354 Elim1Store]: treesize reduction 36, result has 46.3 percent of original size [2021-10-13 01:08:21,483 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 183 treesize of output 97 [2021-10-13 01:08:21,534 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-10-13 01:08:21,599 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-10-13 01:08:21,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 30 [2021-10-13 01:08:21,600 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-13 01:08:21,637 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-10-13 01:08:21,881 INFO L354 Elim1Store]: treesize reduction 17, result has 50.0 percent of original size [2021-10-13 01:08:21,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 58 treesize of output 42 [2021-10-13 01:08:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-13 01:08:21,909 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2021-10-13 01:08:21,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 4 Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:22,042 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 16 states and 19 transitions. cyclomatic complexity: 4. Second operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 58 states and 69 transitions. Complement of second has 11 states. [2021-10-13 01:08:22,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2021-10-13 01:08:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:08:22,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 15 transitions. [2021-10-13 01:08:22,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 9 letters. Loop has 12 letters. [2021-10-13 01:08:22,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:22,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 21 letters. Loop has 12 letters. [2021-10-13 01:08:22,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:22,044 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 15 transitions. Stem has 9 letters. Loop has 24 letters. [2021-10-13 01:08:22,044 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:08:22,045 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 69 transitions. [2021-10-13 01:08:22,046 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:08:22,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 0 states and 0 transitions. [2021-10-13 01:08:22,046 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:08:22,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:08:22,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:08:22,046 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:08:22,046 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:22,046 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:22,046 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:08:22,047 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-13 01:08:22,047 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:08:22,047 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:08:22,047 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:08:22,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:08:22 BoogieIcfgContainer [2021-10-13 01:08:22,053 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:08:22,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:08:22,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:08:22,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:08:22,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:07:47" (3/4) ... [2021-10-13 01:08:22,058 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:08:22,058 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:08:22,059 INFO L168 Benchmark]: Toolchain (without parser) took 36044.35 ms. Allocated memory was 92.3 MB in the beginning and 195.0 MB in the end (delta: 102.8 MB). Free memory was 55.3 MB in the beginning and 105.7 MB in the end (delta: -50.4 MB). Peak memory consumption was 51.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,060 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory is still 73.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:22,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.18 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 82.2 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,061 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 80.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,061 INFO L168 Benchmark]: Boogie Preprocessor took 23.50 ms. Allocated memory is still 111.1 MB. Free memory was 80.2 MB in the beginning and 79.3 MB in the end (delta: 927.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,062 INFO L168 Benchmark]: RCFGBuilder took 422.98 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 68.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,062 INFO L168 Benchmark]: BuchiAutomizer took 35031.27 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 68.0 MB in the beginning and 106.7 MB in the end (delta: -38.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-13 01:08:22,063 INFO L168 Benchmark]: Witness Printer took 4.66 ms. Allocated memory is still 195.0 MB. Free memory was 106.7 MB in the beginning and 105.7 MB in the end (delta: 990.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:08:22,065 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 92.3 MB. Free memory is still 73.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.18 ms. Allocated memory was 92.3 MB in the beginning and 111.1 MB in the end (delta: 18.9 MB). Free memory was 55.1 MB in the beginning and 82.2 MB in the end (delta: -27.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 45.01 ms. Allocated memory is still 111.1 MB. Free memory was 82.2 MB in the beginning and 80.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.50 ms. Allocated memory is still 111.1 MB. Free memory was 80.2 MB in the beginning and 79.3 MB in the end (delta: 927.9 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 422.98 ms. Allocated memory is still 111.1 MB. Free memory was 78.9 MB in the beginning and 68.4 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 35031.27 ms. Allocated memory was 111.1 MB in the beginning and 195.0 MB in the end (delta: 83.9 MB). Free memory was 68.0 MB in the beginning and 106.7 MB in the end (delta: -38.7 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.66 ms. Allocated memory is still 195.0 MB. Free memory was 106.7 MB in the beginning and 105.7 MB in the end (delta: 990.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (1 trivial, 4 deterministic, 2 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 6 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[d][d] and consists of 5 locations. One deterministic module has affine ranking function unknown-#memory_int-unknown[y][y] and consists of 7 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[x][x] and consists of 5 locations. One nondeterministic module has affine ranking function unknown-#memory_int-unknown[d][d] and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 34.9s and 8 iterations. TraceHistogramMax:2. Analysis of lassos took 21.9s. Construction of modules took 0.3s. Büchi inclusion checks took 12.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 6. Automata minimization 36.5ms AutomataMinimizationTime, 6 MinimizatonAttempts, 39 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 32 states and ocurred in iteration 3. Nontrivial modules had stage [4, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 2/6 HoareTripleCheckerStatistics: 67 SDtfs, 154 SDslu, 48 SDs, 0 SdLazy, 190 SolverSat, 65 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 302.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso6 LassoPreprocessingBenchmarks: Lassos: inital953 mio100 ax104 hnf100 lsp94 ukn49 mio100 lsp35 div100 bol105 ite100 ukn100 eq174 hnf88 smp95 dnf124 smp85 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2021-10-13 01:08:22,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_44598384-5c3f-436b-bcbd-5bf5a6626c42/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...