./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/count_up_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/count_up_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:05:30,603 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:05:30,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:05:30,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:05:30,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:05:30,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:05:30,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:05:30,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:05:30,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:05:30,699 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:05:30,700 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:05:30,703 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:05:30,703 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:05:30,706 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:05:30,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:05:30,719 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:05:30,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:05:30,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:05:30,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:05:30,735 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:05:30,737 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:05:30,739 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:05:30,743 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:05:30,745 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:05:30,756 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:05:30,757 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:05:30,757 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:05:30,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:05:30,761 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:05:30,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:05:30,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:05:30,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:05:30,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:05:30,769 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:05:30,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:05:30,771 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:05:30,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:05:30,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:05:30,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:05:30,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:05:30,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:05:30,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:05:30,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:05:30,841 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:05:30,842 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:05:30,843 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:05:30,844 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:05:30,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:05:30,845 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:05:30,845 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:05:30,846 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:05:30,846 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:05:30,848 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:05:30,848 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:05:30,848 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:05:30,849 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:05:30,849 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:05:30,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:05:30,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:05:30,850 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:05:30,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:05:30,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:05:30,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:05:30,851 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:05:30,851 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:05:30,851 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:05:30,852 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:05:30,852 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:05:30,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:05:30,855 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:05:30,855 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:05:30,856 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:05:30,857 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_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f12e3955ea6fcca41dc2c68fc8e1d5a42d0369455d727c76f4dfb832d3060ba5 [2021-11-20 06:05:31,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:05:31,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:05:31,249 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:05:31,251 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:05:31,252 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:05:31,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-15/count_up_alloca.i [2021-11-20 06:05:31,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/data/9fb7ed354/d6ffef09cde14c1ab2ef1efe084ea35e/FLAGd75c448b1 [2021-11-20 06:05:32,037 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:05:32,038 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/sv-benchmarks/c/termination-15/count_up_alloca.i [2021-11-20 06:05:32,051 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/data/9fb7ed354/d6ffef09cde14c1ab2ef1efe084ea35e/FLAGd75c448b1 [2021-11-20 06:05:32,317 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/data/9fb7ed354/d6ffef09cde14c1ab2ef1efe084ea35e [2021-11-20 06:05:32,320 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:05:32,321 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:05:32,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:05:32,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:05:32,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:05:32,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3d0700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32, skipping insertion in model container [2021-11-20 06:05:32,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:05:32,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:05:32,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:05:32,718 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:05:32,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:05:32,840 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:05:32,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32 WrapperNode [2021-11-20 06:05:32,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:05:32,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:05:32,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:05:32,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:05:32,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,907 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,941 INFO L137 Inliner]: procedures = 151, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 60 [2021-11-20 06:05:32,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:05:32,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:05:32,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:05:32,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:05:32,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,952 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,966 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,974 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:32,995 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:05:33,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:05:33,005 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:05:33,005 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:05:33,012 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (1/1) ... [2021-11-20 06:05:33,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:33,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:33,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:33,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:05:33,163 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 06:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 06:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 06:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 06:05:33,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:05:33,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:05:33,255 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:05:33,257 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:05:33,386 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:05:33,394 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:05:33,394 INFO L301 CfgBuilder]: Removed 3 assume(true) statements. [2021-11-20 06:05:33,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:33 BoogieIcfgContainer [2021-11-20 06:05:33,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:05:33,398 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:05:33,398 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:05:33,402 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:05:33,403 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:05:33,403 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:05:32" (1/3) ... [2021-11-20 06:05:33,405 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7679025f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:05:33, skipping insertion in model container [2021-11-20 06:05:33,405 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:05:33,405 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:05:32" (2/3) ... [2021-11-20 06:05:33,406 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7679025f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:05:33, skipping insertion in model container [2021-11-20 06:05:33,406 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:05:33,406 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:33" (3/3) ... [2021-11-20 06:05:33,408 INFO L388 chiAutomizerObserver]: Analyzing ICFG count_up_alloca.i [2021-11-20 06:05:33,464 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:05:33,464 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:05:33,465 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:05:33,465 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:05:33,465 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:05:33,465 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:05:33,466 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:05:33,466 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:05:33,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:33,529 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-20 06:05:33,530 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:33,530 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:33,545 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:05:33,545 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:05:33,545 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:05:33,546 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:33,549 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-20 06:05:33,549 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:33,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:33,551 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-20 06:05:33,551 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:05:33,563 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 7#L369true assume !(main_~length~0#1 < 1); 12#L369-2true call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 15#L371true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 18#L372-3true [2021-11-20 06:05:33,564 INFO L793 eck$LassoCheckResult]: Loop: 18#L372-3true assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 20#L374true assume main_~val~0#1 > main_~limit~0#1;main_~val~0#1 := main_~limit~0#1; 4#L374-2true call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 17#L372-2true main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 18#L372-3true [2021-11-20 06:05:33,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:33,600 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-11-20 06:05:33,610 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:33,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651724023] [2021-11-20 06:05:33,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:33,621 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:33,831 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:33,900 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:33,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:33,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1603878, now seen corresponding path program 1 times [2021-11-20 06:05:33,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:33,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514951054] [2021-11-20 06:05:33,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:33,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:33,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:33,940 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:33,970 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:33,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:33,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1182970350, now seen corresponding path program 1 times [2021-11-20 06:05:33,974 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:33,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257459863] [2021-11-20 06:05:33,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:33,975 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:34,041 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:34,070 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:34,506 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:05:34,507 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:05:34,507 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:05:34,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:05:34,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:05:34,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:34,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:05:34,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:05:34,509 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration1_Lasso [2021-11-20 06:05:34,509 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:05:34,509 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:05:34,540 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,550 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,553 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,729 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:34,979 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:05:34,985 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:05:34,987 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:34,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:34,990 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:34,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:05:34,997 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,010 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,017 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:35,018 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:35,040 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,089 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,109 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:35,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:35,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:35,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:05:35,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,165 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:05:35,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:35,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:35,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:35,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,229 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,231 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:05:35,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:35,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,266 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:35,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:35,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,305 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:05:35,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,327 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:35,328 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:35,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,396 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,399 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:35,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:35,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:35,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:05:35,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,486 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,488 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,512 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:35,512 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:35,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:05:35,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,564 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:05:35,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,575 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,575 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,575 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:35,588 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:35,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,648 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,650 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,669 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:35,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,683 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:35,683 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:35,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:05:35,707 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:35,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:35,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,751 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:05:35,757 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:35,765 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:35,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:35,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:35,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:35,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:35,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:35,810 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:05:35,870 INFO L443 ModelExtractionUtils]: Simplification made 19 calls to the SMT solver. [2021-11-20 06:05:35,871 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-11-20 06:05:35,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:35,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:35,874 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:35,920 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:05:35,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:05:35,946 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-11-20 06:05:35,946 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:05:35,947 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_1 - 4*ULTIMATE.start_main_~i~0#1 Supporting invariants [1*ULTIMATE.start_main_~arr~0#1.offset >= 0] [2021-11-20 06:05:35,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:36,000 INFO L297 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:05:36,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:36,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:05:36,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:36,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:36,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:05:36,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:36,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:36,344 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:05:36,352 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:36,477 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.5294117647058822) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 57 transitions. Complement of second has 9 states. [2021-11-20 06:05:36,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:36,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:36,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 37 transitions. [2021-11-20 06:05:36,493 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 4 letters. [2021-11-20 06:05:36,495 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:36,495 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 9 letters. Loop has 4 letters. [2021-11-20 06:05:36,496 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:36,496 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 37 transitions. Stem has 5 letters. Loop has 8 letters. [2021-11-20 06:05:36,497 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:36,498 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 57 transitions. [2021-11-20 06:05:36,507 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:05:36,514 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 15 states and 20 transitions. [2021-11-20 06:05:36,515 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:05:36,516 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:05:36,516 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 20 transitions. [2021-11-20 06:05:36,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:36,517 INFO L681 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-20 06:05:36,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 20 transitions. [2021-11-20 06:05:36,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2021-11-20 06:05:36,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:36,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2021-11-20 06:05:36,549 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-20 06:05:36,549 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2021-11-20 06:05:36,549 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:05:36,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2021-11-20 06:05:36,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:05:36,551 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:36,551 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:36,552 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:36,552 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:05:36,553 INFO L791 eck$LassoCheckResult]: Stem: 140#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 142#L369 assume !(main_~length~0#1 < 1); 143#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 147#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 148#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 146#L372-4 main_~j~0#1 := 0; 139#L379-3 [2021-11-20 06:05:36,554 INFO L793 eck$LassoCheckResult]: Loop: 139#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 144#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 145#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 138#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 139#L379-3 [2021-11-20 06:05:36,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815512, now seen corresponding path program 1 times [2021-11-20 06:05:36,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:36,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793166801] [2021-11-20 06:05:36,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:36,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:36,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:36,650 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:36,651 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793166801] [2021-11-20 06:05:36,651 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793166801] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 06:05:36,652 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 06:05:36,652 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-20 06:05:36,652 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472833268] [2021-11-20 06:05:36,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 06:05:36,659 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:05:36,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,661 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 1 times [2021-11-20 06:05:36,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:36,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341812746] [2021-11-20 06:05:36,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:36,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:36,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,677 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:36,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,702 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:36,770 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:36,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-20 06:05:36,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-11-20 06:05:36,777 INFO L87 Difference]: Start difference. First operand 15 states and 20 transitions. cyclomatic complexity: 7 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:36,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:05:36,829 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2021-11-20 06:05:36,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-20 06:05:36,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2021-11-20 06:05:36,834 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:05:36,836 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 18 states and 23 transitions. [2021-11-20 06:05:36,837 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-11-20 06:05:36,837 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:05:36,838 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 23 transitions. [2021-11-20 06:05:36,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:36,838 INFO L681 BuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2021-11-20 06:05:36,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 23 transitions. [2021-11-20 06:05:36,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 15. [2021-11-20 06:05:36,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 14 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) [2021-11-20 06:05:36,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 19 transitions. [2021-11-20 06:05:36,843 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-20 06:05:36,843 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 19 transitions. [2021-11-20 06:05:36,843 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-20 06:05:36,843 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 19 transitions. [2021-11-20 06:05:36,845 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-20 06:05:36,845 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:36,845 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:36,846 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:36,846 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-11-20 06:05:36,846 INFO L791 eck$LassoCheckResult]: Stem: 180#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 181#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 182#L369 assume !(main_~length~0#1 < 1); 183#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 186#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 188#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 190#L374 assume !(main_~val~0#1 > main_~limit~0#1); 176#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 177#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 189#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 187#L372-4 main_~j~0#1 := 0; 179#L379-3 [2021-11-20 06:05:36,847 INFO L793 eck$LassoCheckResult]: Loop: 179#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 184#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 185#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 178#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 179#L379-3 [2021-11-20 06:05:36,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1329979393, now seen corresponding path program 1 times [2021-11-20 06:05:36,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:36,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149710635] [2021-11-20 06:05:36,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:36,849 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,875 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,908 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:36,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,913 INFO L85 PathProgramCache]: Analyzing trace with hash 2252300, now seen corresponding path program 2 times [2021-11-20 06:05:36,913 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:36,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99318596] [2021-11-20 06:05:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:36,914 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,921 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,932 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:36,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:36,933 INFO L85 PathProgramCache]: Analyzing trace with hash -2035265782, now seen corresponding path program 1 times [2021-11-20 06:05:36,933 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:36,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778684417] [2021-11-20 06:05:36,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:36,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:36,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:36,966 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:37,003 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:37,389 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:05:37,389 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:05:37,390 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:05:37,390 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:05:37,390 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:05:37,390 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:37,390 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:05:37,390 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:05:37,390 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration3_Lasso [2021-11-20 06:05:37,390 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:05:37,390 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:05:37,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,402 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,404 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,417 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:37,820 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:05:37,820 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:05:37,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:37,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:37,824 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:37,835 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:37,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:37,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:37,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-20 06:05:37,846 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:37,846 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:37,846 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:37,847 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:37,847 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:37,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:37,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:37,904 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:37,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:37,905 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:37,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-20 06:05:37,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:37,918 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:37,919 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:37,919 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:37,919 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:37,919 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:37,920 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:37,920 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:37,921 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:37,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-11-20 06:05:37,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:37,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:37,956 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:37,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-20 06:05:37,959 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:37,967 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:37,967 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:37,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:37,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:37,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:37,968 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:37,968 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:37,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:37,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:37,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:37,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:37,998 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:37,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-20 06:05:38,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:38,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:38,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:38,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:38,036 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,037 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-20 06:05:38,039 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 [2021-11-20 06:05:38,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,047 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:38,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:38,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:38,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:38,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,076 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-20 06:05:38,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:38,090 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:38,101 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:38,152 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,153 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:38,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:38,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:38,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-20 06:05:38,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:38,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,223 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-20 06:05:38,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:38,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:38,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:38,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-11-20 06:05:38,273 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,274 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-20 06:05:38,279 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:38,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:38,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:38,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2021-11-20 06:05:38,326 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,327 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-20 06:05:38,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,337 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,338 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,338 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,342 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:38,342 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:38,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:38,387 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:38,387 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,388 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:38,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-20 06:05:38,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:38,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:38,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:38,400 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:38,409 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:38,409 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:38,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:05:38,470 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-11-20 06:05:38,470 INFO L444 ModelExtractionUtils]: 2 out of 25 variables were initially zero. Simplification set additionally 19 variables to zero. [2021-11-20 06:05:38,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:38,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:38,480 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:38,481 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:05:38,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-20 06:05:38,501 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:05:38,501 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:05:38,501 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~arr~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_2, ULTIMATE.start_main_~j~0#1) = -1*ULTIMATE.start_main_~arr~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc207#1.base)_2 - 4*ULTIMATE.start_main_~j~0#1 Supporting invariants [] [2021-11-20 06:05:38,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-11-20 06:05:38,542 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-11-20 06:05:38,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:38,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:05:38,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:38,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:05:38,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:38,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:38,784 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:05:38,784 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6 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) [2021-11-20 06:05:38,854 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 19 transitions. cyclomatic complexity: 6. 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 21 states and 27 transitions. Complement of second has 7 states. [2021-11-20 06:05:38,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:38,856 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) [2021-11-20 06:05:38,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 19 transitions. [2021-11-20 06:05:38,856 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 4 letters. [2021-11-20 06:05:38,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:38,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 15 letters. Loop has 4 letters. [2021-11-20 06:05:38,857 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:38,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 19 transitions. Stem has 11 letters. Loop has 8 letters. [2021-11-20 06:05:38,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:38,858 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 27 transitions. [2021-11-20 06:05:38,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:38,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 26 transitions. [2021-11-20 06:05:38,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:05:38,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-11-20 06:05:38,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2021-11-20 06:05:38,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:05:38,860 INFO L681 BuchiCegarLoop]: Abstraction has 20 states and 26 transitions. [2021-11-20 06:05:38,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2021-11-20 06:05:38,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2021-11-20 06:05:38,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:38,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2021-11-20 06:05:38,863 INFO L704 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-20 06:05:38,863 INFO L587 BuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2021-11-20 06:05:38,863 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-20 06:05:38,863 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2021-11-20 06:05:38,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:38,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:38,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:38,865 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:38,865 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:05:38,865 INFO L791 eck$LassoCheckResult]: Stem: 303#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 304#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 305#L369 assume !(main_~length~0#1 < 1); 306#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 312#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 314#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 316#L374 assume !(main_~val~0#1 > main_~limit~0#1); 299#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 300#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 315#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 313#L372-4 main_~j~0#1 := 0; 307#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 309#L380-3 [2021-11-20 06:05:38,865 INFO L793 eck$LassoCheckResult]: Loop: 309#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 310#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 309#L380-3 [2021-11-20 06:05:38,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash 1720311820, now seen corresponding path program 1 times [2021-11-20 06:05:38,866 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:38,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058101949] [2021-11-20 06:05:38,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:38,866 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:38,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,886 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:38,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,906 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:38,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:38,907 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 1 times [2021-11-20 06:05:38,907 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:38,907 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157583151] [2021-11-20 06:05:38,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:38,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,917 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,929 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:38,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:38,929 INFO L85 PathProgramCache]: Analyzing trace with hash -342748399, now seen corresponding path program 1 times [2021-11-20 06:05:38,929 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:38,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582598618] [2021-11-20 06:05:38,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:38,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:38,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,959 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:38,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:38,985 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:39,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:39,318 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:05:39,318 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:05:39,318 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:05:39,318 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:05:39,318 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:05:39,319 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:39,319 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:05:39,319 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:05:39,319 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration4_Lasso [2021-11-20 06:05:39,319 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:05:39,319 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:05:39,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,341 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,510 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:39,784 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:05:39,784 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:05:39,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:39,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:39,790 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:39,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:39,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:39,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:39,805 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:39,805 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:39,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:39,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:39,806 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:39,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-20 06:05:39,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:39,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:39,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:39,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:39,868 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:39,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:39,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:39,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:39,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:39,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:39,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:39,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:39,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:39,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-20 06:05:39,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:39,945 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:39,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:39,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:39,948 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:39,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:39,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:39,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:39,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:39,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:39,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:39,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:39,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:39,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-20 06:05:39,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,021 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,023 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,026 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 [2021-11-20 06:05:40,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,038 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,040 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:40,040 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:40,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-20 06:05:40,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,098 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:40,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:40,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:40,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-20 06:05:40,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,167 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,183 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:40,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,184 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:40,184 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:40,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-20 06:05:40,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,240 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,242 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,244 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:40,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,256 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:40,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:40,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-20 06:05:40,267 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,314 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,315 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,339 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:40,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:40,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-11-20 06:05:40,367 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,411 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:40,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:40,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-11-20 06:05:40,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,486 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-11-20 06:05:40,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,502 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:40,502 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:40,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:40,588 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,588 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,591 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:40,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:40,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:40,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:40,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:40,614 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:40,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:40,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-11-20 06:05:40,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:05:40,655 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:05:40,656 INFO L444 ModelExtractionUtils]: 8 out of 16 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-11-20 06:05:40,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:40,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:40,657 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:40,666 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:05:40,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-11-20 06:05:40,700 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:05:40,700 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:05:40,700 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1, ULTIMATE.start_main_~limit~0#1) = -1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) ULTIMATE.start_main_~arr~0#1.offset)_1 + 1*ULTIMATE.start_main_~limit~0#1 Supporting invariants [] [2021-11-20 06:05:40,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:40,758 INFO L297 tatePredicateManager]: 3 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:05:40,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:40,811 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:05:40,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:40,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-20 06:05:40,883 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:40,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:40,957 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-11-20 06:05:40,958 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:40,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:41,031 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 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 27 states and 35 transitions. Complement of second has 8 states. [2021-11-20 06:05:41,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:41,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:41,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2021-11-20 06:05:41,034 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-20 06:05:41,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:41,035 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 14 letters. Loop has 2 letters. [2021-11-20 06:05:41,035 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:41,036 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 12 letters. Loop has 4 letters. [2021-11-20 06:05:41,036 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:41,036 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 35 transitions. [2021-11-20 06:05:41,042 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:41,048 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 22 states and 28 transitions. [2021-11-20 06:05:41,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:05:41,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 06:05:41,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 28 transitions. [2021-11-20 06:05:41,048 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:05:41,049 INFO L681 BuchiCegarLoop]: Abstraction has 22 states and 28 transitions. [2021-11-20 06:05:41,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 28 transitions. [2021-11-20 06:05:41,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2021-11-20 06:05:41,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 20 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 27 transitions. [2021-11-20 06:05:41,057 INFO L704 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-20 06:05:41,057 INFO L587 BuchiCegarLoop]: Abstraction has 21 states and 27 transitions. [2021-11-20 06:05:41,057 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-20 06:05:41,057 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 27 transitions. [2021-11-20 06:05:41,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:41,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:41,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:41,062 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:41,062 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:05:41,063 INFO L791 eck$LassoCheckResult]: Stem: 435#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 439#L369 assume !(main_~length~0#1 < 1); 440#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 448#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 450#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 452#L374 assume !(main_~val~0#1 > main_~limit~0#1); 433#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 434#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 451#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 449#L372-4 main_~j~0#1 := 0; 441#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 442#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 446#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 437#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 438#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 444#L380-3 [2021-11-20 06:05:41,063 INFO L793 eck$LassoCheckResult]: Loop: 444#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 445#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 444#L380-3 [2021-11-20 06:05:41,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:41,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1331270241, now seen corresponding path program 2 times [2021-11-20 06:05:41,064 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:41,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441591546] [2021-11-20 06:05:41,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:41,065 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:41,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:41,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:41,126 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 06:05:41,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441591546] [2021-11-20 06:05:41,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441591546] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-20 06:05:41,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915201426] [2021-11-20 06:05:41,127 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-11-20 06:05:41,128 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-20 06:05:41,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:41,129 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-20 06:05:41,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2021-11-20 06:05:41,176 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-11-20 06:05:41,176 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-20 06:05:41,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-20 06:05:41,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:41,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:41,306 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-20 06:05:41,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:41,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915201426] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-20 06:05:41,394 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-20 06:05:41,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2021-11-20 06:05:41,396 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333822453] [2021-11-20 06:05:41,396 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-20 06:05:41,397 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-11-20 06:05:41,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:41,397 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 2 times [2021-11-20 06:05:41,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:41,398 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344316885] [2021-11-20 06:05:41,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:41,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:41,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,426 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:41,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,432 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:41,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 06:05:41,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-20 06:05:41,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-11-20 06:05:41,492 INFO L87 Difference]: Start difference. First operand 21 states and 27 transitions. cyclomatic complexity: 10 Second operand has 11 states, 10 states have (on average 3.2) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-20 06:05:41,646 INFO L93 Difference]: Finished difference Result 45 states and 57 transitions. [2021-11-20 06:05:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-11-20 06:05:41,651 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 57 transitions. [2021-11-20 06:05:41,653 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:41,653 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 28 states and 35 transitions. [2021-11-20 06:05:41,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-20 06:05:41,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-20 06:05:41,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2021-11-20 06:05:41,654 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-20 06:05:41,654 INFO L681 BuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2021-11-20 06:05:41,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2021-11-20 06:05:41,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2021-11-20 06:05:41,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.24) internal successors, (31), 24 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:41,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 31 transitions. [2021-11-20 06:05:41,661 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-20 06:05:41,661 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 31 transitions. [2021-11-20 06:05:41,661 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-11-20 06:05:41,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 31 transitions. [2021-11-20 06:05:41,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:05:41,663 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:05:41,663 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:05:41,664 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-20 06:05:41,664 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:05:41,664 INFO L791 eck$LassoCheckResult]: Stem: 617#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 618#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet205#1, main_#t~nondet206#1, main_#t~malloc207#1.base, main_#t~malloc207#1.offset, main_#t~nondet209#1, main_#t~post208#1, main_#t~mem212#1, main_#t~post213#1, main_#t~mem211#1, main_#t~post210#1, main_~i~0#1, main_~j~0#1, main_~val~0#1, main_~limit~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;havoc main_~val~0#1;main_~limit~0#1 := main_#t~nondet205#1;havoc main_#t~nondet205#1;main_~length~0#1 := main_#t~nondet206#1;havoc main_#t~nondet206#1; 619#L369 assume !(main_~length~0#1 < 1); 620#L369-2 call main_#t~malloc207#1.base, main_#t~malloc207#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc207#1.base, main_#t~malloc207#1.offset; 629#L371 assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~i~0#1 := 0; 630#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 632#L374 assume !(main_~val~0#1 > main_~limit~0#1); 637#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 636#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 633#L372-3 assume !!(main_~i~0#1 < main_~length~0#1);main_~val~0#1 := main_#t~nondet209#1;havoc main_#t~nondet209#1; 634#L374 assume !(main_~val~0#1 > main_~limit~0#1); 613#L374-2 call write~int(main_~val~0#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~i~0#1, 4); 614#L372-2 main_#t~post208#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post208#1;havoc main_#t~post208#1; 631#L372-3 assume !(main_~i~0#1 < main_~length~0#1); 628#L372-4 main_~j~0#1 := 0; 621#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 622#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 635#L380-1 assume !(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1; 615#L379-2 main_#t~post210#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post210#1;havoc main_#t~post210#1; 616#L379-3 assume !!(main_~j~0#1 < main_~length~0#1); 624#L380-3 [2021-11-20 06:05:41,665 INFO L793 eck$LassoCheckResult]: Loop: 624#L380-3 call main_#t~mem211#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4); 625#L380-1 assume !!(main_#t~mem211#1 < main_~limit~0#1);havoc main_#t~mem211#1;call main_#t~mem212#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);main_#t~post213#1 := main_#t~mem212#1;call write~int(1 + main_#t~post213#1, main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~j~0#1, 4);havoc main_#t~mem212#1;havoc main_#t~post213#1; 624#L380-3 [2021-11-20 06:05:41,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:41,665 INFO L85 PathProgramCache]: Analyzing trace with hash 34477914, now seen corresponding path program 3 times [2021-11-20 06:05:41,665 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:41,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710207252] [2021-11-20 06:05:41,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:41,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,701 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:41,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,734 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:41,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:41,739 INFO L85 PathProgramCache]: Analyzing trace with hash 2502, now seen corresponding path program 3 times [2021-11-20 06:05:41,739 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:41,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508701685] [2021-11-20 06:05:41,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:41,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,756 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:41,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,762 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:41,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:41,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1226461473, now seen corresponding path program 1 times [2021-11-20 06:05:41,764 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:05:41,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166429239] [2021-11-20 06:05:41,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:05:41,765 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:05:41,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,779 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:05:41,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:05:41,799 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:05:42,252 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:05:42,252 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:05:42,252 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:05:42,252 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:05:42,252 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:05:42,252 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,252 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:05:42,253 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:05:42,253 INFO L133 ssoRankerPreferences]: Filename of dumped script: count_up_alloca.i_Iteration6_Lasso [2021-11-20 06:05:42,253 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:05:42,253 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:05:42,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,274 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,423 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,425 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:05:42,659 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:05:42,659 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:05:42,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,663 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-11-20 06:05:42,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:42,703 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:42,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:42,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-11-20 06:05:42,724 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,724 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-11-20 06:05:42,726 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 [2021-11-20 06:05:42,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,735 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:42,735 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:42,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:42,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,795 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-11-20 06:05:42,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:42,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,807 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:42,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:42,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-11-20 06:05:42,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,827 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:05:42,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,839 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:05:42,839 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:05:42,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-11-20 06:05:42,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:42,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,874 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-11-20 06:05:42,876 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,883 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,883 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,883 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:42,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:42,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-11-20 06:05:42,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,906 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,912 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-11-20 06:05:42,913 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,920 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,920 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,920 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,920 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,924 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:42,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:42,939 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:42,958 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:42,958 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:42,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:42,959 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:42,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-11-20 06:05:42,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:42,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:42,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:42,968 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:42,968 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:42,971 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:42,971 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:42,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:05:43,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-11-20 06:05:43,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:43,021 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:43,022 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:05:43,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-11-20 06:05:43,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:05:43,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:05:43,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:05:43,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:05:43,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-20 06:05:43,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-20 06:05:43,067 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:05:43,076 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-11-20 06:05:43,076 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-11-20 06:05:43,076 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:05:43,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:05:43,083 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:05:43,085 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:05:43,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-11-20 06:05:43,114 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-11-20 06:05:43,114 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:05:43,114 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~limit~0#1, v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_3) = 1*ULTIMATE.start_main_~limit~0#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0#1.base) (+ ULTIMATE.start_main_~arr~0#1.offset (* ULTIMATE.start_main_~j~0#1 4)))_3 Supporting invariants [] [2021-11-20 06:05:43,133 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-11-20 06:05:43,139 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-11-20 06:05:43,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,163 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:43,240 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:05:43,240 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,259 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 29 states and 35 transitions. Complement of second has 7 states. [2021-11-20 06:05:43,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:43,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 06:05:43,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 20 letters. Loop has 2 letters. [2021-11-20 06:05:43,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:43,263 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:05:43,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:43,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,339 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:43,357 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:05:43,357 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,372 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 29 states and 35 transitions. Complement of second has 7 states. [2021-11-20 06:05:43,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:43,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2021-11-20 06:05:43,375 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 20 letters. Loop has 2 letters. [2021-11-20 06:05:43,377 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:43,377 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-20 06:05:43,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:05:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:05:43,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-20 06:05:43,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:05:43,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:05:43,459 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:05:43,459 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,476 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 31 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 39 transitions. Complement of second has 6 states. [2021-11-20 06:05:43,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:05:43,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:05:43,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2021-11-20 06:05:43,481 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 2 letters. [2021-11-20 06:05:43,482 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:43,482 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 22 letters. Loop has 2 letters. [2021-11-20 06:05:43,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:43,483 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 20 letters. Loop has 4 letters. [2021-11-20 06:05:43,483 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:05:43,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 39 transitions. [2021-11-20 06:05:43,484 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:05:43,484 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 0 states and 0 transitions. [2021-11-20 06:05:43,484 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:05:43,485 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:05:43,485 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:05:43,485 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:05:43,485 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:05:43,485 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:05:43,485 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:05:43,485 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-11-20 06:05:43,485 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:05:43,486 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:05:43,486 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:05:43,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:05:43 BoogieIcfgContainer [2021-11-20 06:05:43,492 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:05:43,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:05:43,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:05:43,493 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:05:43,493 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:05:33" (3/4) ... [2021-11-20 06:05:43,496 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:05:43,496 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:05:43,497 INFO L158 Benchmark]: Toolchain (without parser) took 11175.26ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 51.3MB in the beginning and 55.4MB in the end (delta: -4.0MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2021-11-20 06:05:43,497 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:05:43,497 INFO L158 Benchmark]: CACSL2BoogieTranslator took 513.98ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 34.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-11-20 06:05:43,498 INFO L158 Benchmark]: Boogie Procedure Inliner took 99.60ms. Allocated memory is still 94.4MB. Free memory was 34.4MB in the beginning and 71.3MB in the end (delta: -36.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. [2021-11-20 06:05:43,498 INFO L158 Benchmark]: Boogie Preprocessor took 54.01ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 70.0MB in the end (delta: 863.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:05:43,498 INFO L158 Benchmark]: RCFGBuilder took 392.77ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 64.8MB in the end (delta: 4.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2021-11-20 06:05:43,499 INFO L158 Benchmark]: BuchiAutomizer took 10094.17ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 64.5MB in the beginning and 56.4MB in the end (delta: 8.1MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. [2021-11-20 06:05:43,499 INFO L158 Benchmark]: Witness Printer took 3.31ms. Allocated memory is still 146.8MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 998.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:05:43,501 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 513.98ms. Allocated memory is still 94.4MB. Free memory was 51.2MB in the beginning and 34.4MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 99.60ms. Allocated memory is still 94.4MB. Free memory was 34.4MB in the beginning and 71.3MB in the end (delta: -36.9MB). Peak memory consumption was 7.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.01ms. Allocated memory is still 94.4MB. Free memory was 70.9MB in the beginning and 70.0MB in the end (delta: 863.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 392.77ms. Allocated memory is still 94.4MB. Free memory was 69.7MB in the beginning and 64.8MB in the end (delta: 4.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 10094.17ms. Allocated memory was 94.4MB in the beginning and 146.8MB in the end (delta: 52.4MB). Free memory was 64.5MB in the beginning and 56.4MB in the end (delta: 8.1MB). Peak memory consumption was 63.0MB. Max. memory is 16.1GB. * Witness Printer took 3.31ms. Allocated memory is still 146.8MB. Free memory was 56.4MB in the beginning and 55.4MB in the end (delta: 998.2kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -4 * i and consists of 6 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca(length*sizeof(int))] + -4 * j + -1 * arr and consists of 5 locations. One deterministic module has affine ranking function -1 * unknown-#memory_int-unknown[arr][arr] + limit and consists of 5 locations. One nondeterministic module has affine ranking function limit + -1 * unknown-#memory_int-unknown[arr][arr + j * 4] and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 11 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.0s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 8.1s. Construction of modules took 0.1s. Büchi inclusion checks took 1.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 25 states and ocurred in iteration 5. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 166 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 163 mSDsluCounter, 183 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 197 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 103 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital128 mio100 ax100 hnf99 lsp95 ukn82 mio100 lsp54 div100 bol100 ite100 ukn100 eq166 hnf91 smp94 dnf100 smp100 tf100 neg100 sie101 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms 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! [2021-11-20 06:05:43,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-11-20 06:05:43,742 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2021-11-20 06:05:43,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8f28340-6483-41b5-a823-868e8fdac051/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE