./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-15/array06_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-15/array06_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD --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 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:36:41,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:36:41,824 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:36:41,871 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:36:41,871 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:36:41,873 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:36:41,876 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:36:41,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:36:41,882 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:36:41,883 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:36:41,885 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:36:41,887 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:36:41,888 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:36:41,890 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:36:41,892 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:36:41,894 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:36:41,896 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:36:41,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:36:41,901 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:36:41,905 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:36:41,907 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:36:41,910 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:36:41,912 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:36:41,913 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:36:41,918 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:36:41,919 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:36:41,920 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:36:41,921 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:36:41,922 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:36:41,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:36:41,933 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:36:41,934 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:36:41,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:36:41,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:36:41,939 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:36:41,939 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:36:41,940 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:36:41,942 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:36:41,943 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:36:41,945 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:36:41,946 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:36:41,947 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:36:42,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:36:42,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:36:42,014 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:36:42,014 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:36:42,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:36:42,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:36:42,017 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:36:42,017 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:36:42,017 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:36:42,018 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:36:42,019 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:36:42,020 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:36:42,020 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:36:42,020 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:36:42,020 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:36:42,021 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:36:42,021 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:36:42,021 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:36:42,021 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:36:42,022 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:36:42,022 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:36:42,022 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:36:42,023 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:36:42,023 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:36:42,023 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:36:42,023 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:36:42,026 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:36:42,027 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:36:42,027 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:36:42,028 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:36:42,029 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_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0813819187e9a2abc800e062dc2a3ce48468372a35f94a85a0472def328bf451 [2021-10-28 23:36:42,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:36:42,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:36:42,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:36:42,402 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:36:42,405 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:36:42,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-15/array06_alloca.i [2021-10-28 23:36:42,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/data/a9246d92a/165e10a968d94ed5ad00e0304f38e16b/FLAG3b9d1e227 [2021-10-28 23:36:43,182 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:36:43,184 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/sv-benchmarks/c/termination-15/array06_alloca.i [2021-10-28 23:36:43,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/data/a9246d92a/165e10a968d94ed5ad00e0304f38e16b/FLAG3b9d1e227 [2021-10-28 23:36:43,448 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/data/a9246d92a/165e10a968d94ed5ad00e0304f38e16b [2021-10-28 23:36:43,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:36:43,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:36:43,458 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:43,458 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:36:43,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:36:43,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:43" (1/1) ... [2021-10-28 23:36:43,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@362cded4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:43, skipping insertion in model container [2021-10-28 23:36:43,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:36:43" (1/1) ... [2021-10-28 23:36:43,477 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:36:43,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:36:43,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:43,956 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:36:44,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:36:44,088 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:36:44,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44 WrapperNode [2021-10-28 23:36:44,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:36:44,091 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:44,091 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:36:44,091 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:36:44,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,121 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:36:44,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:36:44,146 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:36:44,146 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:36:44,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,160 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,170 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:36:44,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:36:44,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:36:44,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:36:44,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (1/1) ... [2021-10-28 23:36:44,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:44,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:44,220 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:44,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:36:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:36:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:36:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:36:44,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:36:44,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:36:44,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:36:44,534 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:36:44,534 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:36:44,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:44 BoogieIcfgContainer [2021-10-28 23:36:44,537 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:36:44,538 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:36:44,538 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:36:44,542 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:36:44,543 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:44,543 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:36:43" (1/3) ... [2021-10-28 23:36:44,544 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28a1bcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:44, skipping insertion in model container [2021-10-28 23:36:44,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:44,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:36:44" (2/3) ... [2021-10-28 23:36:44,556 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28a1bcad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:36:44, skipping insertion in model container [2021-10-28 23:36:44,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:36:44,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:44" (3/3) ... [2021-10-28 23:36:44,559 INFO L389 chiAutomizerObserver]: Analyzing ICFG array06_alloca.i [2021-10-28 23:36:44,635 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:36:44,636 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:36:44,636 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:36:44,636 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:36:44,636 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:36:44,637 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:36:44,637 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:36:44,637 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:36:44,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-10-28 23:36:44,688 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-10-28 23:36:44,688 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:44,688 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:44,696 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:36:44,696 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:36:44,696 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:36:44,697 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) [2021-10-28 23:36:44,700 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 3 [2021-10-28 23:36:44,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:44,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:44,701 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:36:44,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:36:44,711 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 8#L-1true havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 12#L367true assume !(main_~length~0 < 1); 9#L367-2true call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 6#L369true assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 7#L370-3true [2021-10-28 23:36:44,712 INFO L793 eck$LassoCheckResult]: Loop: 7#L370-3true assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 13#L370-2true main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 7#L370-3true [2021-10-28 23:36:44,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,726 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-10-28 23:36:44,738 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,738 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523168884] [2021-10-28 23:36:44,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,741 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:44,910 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:44,973 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:44,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1667, now seen corresponding path program 1 times [2021-10-28 23:36:44,998 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:44,998 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025360255] [2021-10-28 23:36:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:44,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:45,013 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:45,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:45,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:45,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815563, now seen corresponding path program 1 times [2021-10-28 23:36:45,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:45,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914954924] [2021-10-28 23:36:45,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:45,038 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:45,079 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:45,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:45,562 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:45,563 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:45,563 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:45,563 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:45,564 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:45,564 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:45,564 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:45,564 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:45,565 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration1_Lasso [2021-10-28 23:36:45,565 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:45,565 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:45,595 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,612 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,765 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:45,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:46,082 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:46,087 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:46,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:46,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:46,131 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:46,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:36:46,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:46,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:46,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:46,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:46,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:46,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:46,214 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:46,214 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:46,234 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:46,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:46,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:46,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:46,289 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:46,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:36:46,295 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:46,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:46,307 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:46,308 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:46,308 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:46,308 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:46,309 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:46,309 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:46,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:46,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-28 23:36:46,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:46,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:46,366 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:46,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:46,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:46,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:46,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:46,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:46,394 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:46,396 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:46,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:36:46,401 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:46,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:46,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:46,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:46,442 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:46,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:46,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:46,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:46,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:46,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:46,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:36:46,485 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:46,487 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:46,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:46,612 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-28 23:36:46,612 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 23:36:46,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:46,618 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:46,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:36:46,642 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:46,684 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:36:46,685 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:46,685 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~length~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-10-28 23:36:46,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-10-28 23:36:46,728 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-28 23:36:46,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:46,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:46,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:46,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:36:46,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:46,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:46,897 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 [2021-10-28 23:36:46,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-10-28 23:36:46,961 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.5) internal successors, (18), 12 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). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 40 transitions. Complement of second has 7 states. [2021-10-28 23:36:46,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:36:46,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 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) [2021-10-28 23:36:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-10-28 23:36:46,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 23:36:46,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:46,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 7 letters. Loop has 2 letters. [2021-10-28 23:36:46,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:46,968 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 5 letters. Loop has 4 letters. [2021-10-28 23:36:46,968 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:46,969 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 40 transitions. [2021-10-28 23:36:46,973 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:36:46,976 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 10 states and 13 transitions. [2021-10-28 23:36:46,977 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-28 23:36:46,978 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 23:36:46,978 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-10-28 23:36:46,978 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:46,978 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 23:36:46,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-10-28 23:36:47,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-28 23:36:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-28 23:36:47,002 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 23:36:47,002 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-28 23:36:47,002 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:36:47,002 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-28 23:36:47,003 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:36:47,003 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:47,003 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:47,004 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,004 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:36:47,004 INFO L791 eck$LassoCheckResult]: Stem: 106#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 107#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 110#L367 assume !(main_~length~0 < 1); 104#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 105#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 108#L370-3 assume !(main_~i~0 < main_~length~0); 109#L370-4 main_~j~0 := 0; 103#L374-2 [2021-10-28 23:36:47,005 INFO L793 eck$LassoCheckResult]: Loop: 103#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(1 + main_#t~post210, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 + main_#t~post210;havoc main_#t~mem209;havoc main_#t~post210; 103#L374-2 [2021-10-28 23:36:47,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,005 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815505, now seen corresponding path program 1 times [2021-10-28 23:36:47,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533098307] [2021-10-28 23:36:47,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:47,124 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:36:47,124 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1533098307] [2021-10-28 23:36:47,125 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1533098307] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:36:47,125 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:36:47,126 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:36:47,126 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978248803] [2021-10-28 23:36:47,129 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:36:47,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,130 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 1 times [2021-10-28 23:36:47,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755190476] [2021-10-28 23:36:47,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,141 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:47,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:47,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:47,233 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:36:47,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:36:47,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:36:47,239 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 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) [2021-10-28 23:36:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:36:47,280 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2021-10-28 23:36:47,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:36:47,281 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-10-28 23:36:47,283 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:36:47,284 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 11 states and 13 transitions. [2021-10-28 23:36:47,284 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 23:36:47,284 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-28 23:36:47,285 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-10-28 23:36:47,285 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:47,285 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-28 23:36:47,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-10-28 23:36:47,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-28 23:36:47,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:47,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-28 23:36:47,290 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-28 23:36:47,294 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-28 23:36:47,294 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:36:47,294 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-10-28 23:36:47,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 23:36:47,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:36:47,300 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:36:47,301 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:36:47,301 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 23:36:47,301 INFO L791 eck$LassoCheckResult]: Stem: 132#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 133#L-1 havoc main_#res;havoc main_#t~nondet205, main_#t~malloc206.base, main_#t~malloc206.offset, main_#t~nondet208, main_#t~post207, main_#t~mem209, main_#t~post210, main_~i~0, main_~j~0, main_~length~0, main_~arr~0.base, main_~arr~0.offset;havoc main_~i~0;havoc main_~j~0;main_~length~0 := main_#t~nondet205;havoc main_#t~nondet205; 138#L367 assume !(main_~length~0 < 1); 134#L367-2 call main_#t~malloc206.base, main_#t~malloc206.offset := #Ultimate.allocOnStack(4 * main_~length~0);main_~arr~0.base, main_~arr~0.offset := main_#t~malloc206.base, main_#t~malloc206.offset; 135#L369 assume !(main_~arr~0.base == 0 && main_~arr~0.offset == 0);main_~i~0 := 0; 136#L370-3 assume !!(main_~i~0 < main_~length~0);call write~int(main_#t~nondet208, main_~arr~0.base, main_~arr~0.offset + 4 * main_~i~0, 4);havoc main_#t~nondet208; 139#L370-2 main_#t~post207 := main_~i~0;main_~i~0 := 1 + main_#t~post207;havoc main_#t~post207; 140#L370-3 assume !(main_~i~0 < main_~length~0); 137#L370-4 main_~j~0 := 0; 131#L374-2 [2021-10-28 23:36:47,306 INFO L793 eck$LassoCheckResult]: Loop: 131#L374-2 assume !!(0 <= main_~j~0 && main_~j~0 < main_~length~0);call main_#t~mem209 := read~int(main_~arr~0.base, main_~arr~0.offset, 4);main_#t~post210 := main_#t~mem209;call write~int(1 + main_#t~post210, main_~arr~0.base, main_~arr~0.offset, 4);main_~j~0 := main_~j~0 + main_#t~post210;havoc main_#t~mem209;havoc main_#t~post210; 131#L374-2 [2021-10-28 23:36:47,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,307 INFO L85 PathProgramCache]: Analyzing trace with hash 1182969107, now seen corresponding path program 1 times [2021-10-28 23:36:47,307 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588623872] [2021-10-28 23:36:47,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,343 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,378 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:47,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,379 INFO L85 PathProgramCache]: Analyzing trace with hash 68, now seen corresponding path program 2 times [2021-10-28 23:36:47,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,380 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850234186] [2021-10-28 23:36:47,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,389 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:47,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,397 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:47,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:47,398 INFO L85 PathProgramCache]: Analyzing trace with hash -1982663310, now seen corresponding path program 1 times [2021-10-28 23:36:47,398 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:36:47,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073719978] [2021-10-28 23:36:47,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:36:47,399 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:36:47,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,417 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:36:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:36:47,440 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:36:47,777 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:36:47,777 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:36:47,777 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:36:47,778 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:36:47,778 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:36:47,778 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:47,778 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:36:47,778 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:36:47,778 INFO L133 ssoRankerPreferences]: Filename of dumped script: array06_alloca.i_Iteration3_Lasso [2021-10-28 23:36:47,778 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:36:47,778 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:36:47,783 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,786 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,789 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,793 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,795 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:47,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:36:48,293 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:36:48,293 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:36:48,293 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,295 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,329 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 [2021-10-28 23:36:48,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:36:48,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,407 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,431 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,431 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:36:48,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,491 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:48,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:48,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:36:48,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,580 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:36:48,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,601 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,659 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,661 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:36:48,681 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,682 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,682 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,749 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,751 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:36:48,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:48,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:48,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:48,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,815 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:36:48,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,828 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:48,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:48,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:48,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:48,903 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:48,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:48,908 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:48,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:48,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:48,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:48,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:48,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:48,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:36:48,945 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:48,945 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:48,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,018 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,019 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,026 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,038 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,038 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:49,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:49,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:49,045 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:36:49,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,104 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,105 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,106 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,113 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,125 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:49,130 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:49,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:49,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:36:49,155 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,190 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:36:49,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:49,209 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:36:49,209 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:36:49,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,282 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,283 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,296 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:36:49,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:36:49,315 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:36:49,315 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,378 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,379 INFO L490 LassoAnalysis]: Using template '2-nested'. [2021-10-28 23:36:49,379 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,380 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,389 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,401 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,402 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,402 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,403 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:36:49,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:36:49,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,458 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,460 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:36:49,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,482 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,483 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:36:49,483 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,553 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,556 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:36:49,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,576 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,580 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:36:49,580 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:36:49,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,654 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,658 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:36:49,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,672 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,674 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:36:49,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,732 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:36:49,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,747 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,748 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:36:49,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,758 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,806 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:36:49,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,825 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,826 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2021-10-28 23:36:49,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:36:49,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:36:49,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:49,885 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,887 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,907 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,912 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:36:49,912 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:36:49,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 23:36:49,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:36:49,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-10-28 23:36:49,956 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:49,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:49,957 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:49,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 23:36:49,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:36:49,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:36:49,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:36:49,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:36:49,974 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2021-10-28 23:36:49,993 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2021-10-28 23:36:49,993 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2021-10-28 23:36:50,030 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:36:50,204 INFO L443 ModelExtractionUtils]: Simplification made 40 calls to the SMT solver. [2021-10-28 23:36:50,204 INFO L444 ModelExtractionUtils]: 16 out of 51 variables were initially zero. Simplification set additionally 30 variables to zero. [2021-10-28 23:36:50,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:36:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:36:50,208 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:36:50,212 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:36:50,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 23:36:50,249 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 3. [2021-10-28 23:36:50,250 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:36:50,250 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*v_rep(select (select #memory_int ULTIMATE.start_main_~arr~0.base) ULTIMATE.start_main_~arr~0.offset)_1 + 1*ULTIMATE.start_main_~length~0 f1 = -2*ULTIMATE.start_main_~j~0 + 2*ULTIMATE.start_main_~length~0 Supporting invariants [] [2021-10-28 23:36:50,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:50,313 INFO L297 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2021-10-28 23:36:50,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:36:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:50,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:36:50,358 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:36:50,409 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:36:50,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:36:50,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:36:50,411 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 23:36:50,411 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:50,419 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 11 states and 13 transitions. Complement of second has 2 states. [2021-10-28 23:36:50,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2021-10-28 23:36:50,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:36:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 11 transitions. [2021-10-28 23:36:50,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 1 letters. [2021-10-28 23:36:50,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:50,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 10 letters. Loop has 1 letters. [2021-10-28 23:36:50,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:50,422 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 11 transitions. Stem has 9 letters. Loop has 2 letters. [2021-10-28 23:36:50,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:36:50,422 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2021-10-28 23:36:50,423 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:50,423 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 0 states and 0 transitions. [2021-10-28 23:36:50,423 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:36:50,424 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:36:50,424 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:36:50,424 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:36:50,424 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:50,424 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:50,424 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:36:50,424 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:36:50,424 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:36:50,425 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:36:50,425 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:36:50,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:36:50 BoogieIcfgContainer [2021-10-28 23:36:50,431 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:36:50,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:36:50,432 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:36:50,432 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:36:50,433 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:36:44" (3/4) ... [2021-10-28 23:36:50,436 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:36:50,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:36:50,438 INFO L168 Benchmark]: Toolchain (without parser) took 6981.75 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 72.1 MB in the beginning and 56.6 MB in the end (delta: 15.5 MB). Peak memory consumption was 44.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:50,439 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory is still 89.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:50,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.03 ms. Allocated memory is still 109.1 MB. Free memory was 71.9 MB in the beginning and 78.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:50,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.18 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 76.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:50,441 INFO L168 Benchmark]: Boogie Preprocessor took 29.40 ms. Allocated memory is still 109.1 MB. Free memory was 76.6 MB in the beginning and 75.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:50,441 INFO L168 Benchmark]: RCFGBuilder took 361.03 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 65.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:50,442 INFO L168 Benchmark]: BuchiAutomizer took 5893.46 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 56.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. [2021-10-28 23:36:50,442 INFO L168 Benchmark]: Witness Printer took 4.64 ms. Allocated memory is still 136.3 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:36:50,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 109.1 MB. Free memory is still 89.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 632.03 ms. Allocated memory is still 109.1 MB. Free memory was 71.9 MB in the beginning and 78.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 54.18 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 76.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 29.40 ms. Allocated memory is still 109.1 MB. Free memory was 76.6 MB in the beginning and 75.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 361.03 ms. Allocated memory is still 109.1 MB. Free memory was 75.0 MB in the beginning and 65.7 MB in the end (delta: 9.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5893.46 ms. Allocated memory was 109.1 MB in the beginning and 136.3 MB in the end (delta: 27.3 MB). Free memory was 65.3 MB in the beginning and 56.6 MB in the end (delta: 8.7 MB). Peak memory consumption was 38.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.64 ms. Allocated memory is still 136.3 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length + -1 * i and consists of 5 locations. One deterministic module has 2-nested ranking function (if -2 * unknown-#memory_int-unknown[arr][arr] + length > 0 then 1 else 0), (if -2 * unknown-#memory_int-unknown[arr][arr] + length > 0 then -2 * unknown-#memory_int-unknown[arr][arr] + length else 2 * length + -2 * j) and consists of 2 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 33 SDslu, 10 SDs, 0 SdLazy, 26 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital112 mio100 ax100 hnf99 lsp94 ukn86 mio100 lsp69 div100 bol100 ite100 ukn100 eq177 hnf91 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 23:36:50,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 23:36:50,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cff3b17f-ed29-4770-86e8-d408240acbd6/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...