./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 18b42b65120149c30866fbc5b5479df029781f63 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 01:09:19,618 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 01:09:19,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 01:09:19,661 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 01:09:19,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 01:09:19,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 01:09:19,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 01:09:19,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 01:09:19,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 01:09:19,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 01:09:19,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 01:09:19,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 01:09:19,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 01:09:19,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 01:09:19,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 01:09:19,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 01:09:19,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 01:09:19,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 01:09:19,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 01:09:19,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 01:09:19,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 01:09:19,692 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 01:09:19,693 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 01:09:19,695 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 01:09:19,699 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 01:09:19,699 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 01:09:19,700 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 01:09:19,701 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 01:09:19,702 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 01:09:19,703 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 01:09:19,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 01:09:19,705 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 01:09:19,706 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 01:09:19,707 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 01:09:19,708 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 01:09:19,709 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 01:09:19,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 01:09:19,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 01:09:19,718 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 01:09:19,719 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 01:09:19,720 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 01:09:19,722 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-13 01:09:19,778 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 01:09:19,779 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 01:09:19,779 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 01:09:19,779 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 01:09:19,781 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 01:09:19,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 01:09:19,782 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 01:09:19,783 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-13 01:09:19,783 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-13 01:09:19,783 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-13 01:09:19,784 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-13 01:09:19,785 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-13 01:09:19,785 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-13 01:09:19,785 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 01:09:19,785 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 01:09:19,786 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 01:09:19,786 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 01:09:19,786 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-13 01:09:19,786 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-13 01:09:19,787 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-13 01:09:19,787 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 01:09:19,787 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-13 01:09:19,787 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 01:09:19,787 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-13 01:09:19,788 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 01:09:19,788 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 01:09:19,790 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 01:09:19,790 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 01:09:19,790 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 01:09:19,791 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-13 01:09:19,792 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_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18b42b65120149c30866fbc5b5479df029781f63 [2021-10-13 01:09:20,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 01:09:20,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 01:09:20,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 01:09:20,097 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 01:09:20,098 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 01:09:20,099 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-10-13 01:09:20,163 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/data/774b1bbb8/324a5bda44034ada988f06c43b450974/FLAG566df1af1 [2021-10-13 01:09:20,606 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 01:09:20,606 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/sv-benchmarks/c/termination-recursive-malloc/rec_malloc_ex11B.i [2021-10-13 01:09:20,618 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/data/774b1bbb8/324a5bda44034ada988f06c43b450974/FLAG566df1af1 [2021-10-13 01:09:21,015 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/data/774b1bbb8/324a5bda44034ada988f06c43b450974 [2021-10-13 01:09:21,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 01:09:21,019 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 01:09:21,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 01:09:21,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 01:09:21,036 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 01:09:21,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67fbca32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21, skipping insertion in model container [2021-10-13 01:09:21,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,047 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 01:09:21,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 01:09:21,232 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:09:21,242 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 01:09:21,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 01:09:21,271 INFO L208 MainTranslator]: Completed translation [2021-10-13 01:09:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21 WrapperNode [2021-10-13 01:09:21,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 01:09:21,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 01:09:21,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 01:09:21,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 01:09:21,285 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,292 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,310 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 01:09:21,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 01:09:21,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 01:09:21,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 01:09:21,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,321 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,326 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,329 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,330 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 01:09:21,333 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 01:09:21,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 01:09:21,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 01:09:21,335 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (1/1) ... [2021-10-13 01:09:21,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:21,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:21,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:21,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-13 01:09:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 01:09:21,413 INFO L130 BoogieDeclarations]: Found specification of procedure rec [2021-10-13 01:09:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure rec [2021-10-13 01:09:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-13 01:09:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 01:09:21,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 01:09:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-13 01:09:21,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 01:09:21,631 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 01:09:21,631 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 01:09:21,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:09:21 BoogieIcfgContainer [2021-10-13 01:09:21,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 01:09:21,635 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-13 01:09:21,635 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-13 01:09:21,638 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-13 01:09:21,639 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:09:21,639 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.10 01:09:21" (1/3) ... [2021-10-13 01:09:21,641 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@577c321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:09:21, skipping insertion in model container [2021-10-13 01:09:21,641 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:09:21,641 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 01:09:21" (2/3) ... [2021-10-13 01:09:21,642 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@577c321e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.10 01:09:21, skipping insertion in model container [2021-10-13 01:09:21,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-13 01:09:21,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:09:21" (3/3) ... [2021-10-13 01:09:21,643 INFO L389 chiAutomizerObserver]: Analyzing ICFG rec_malloc_ex11B.i [2021-10-13 01:09:21,688 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-13 01:09:21,688 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-13 01:09:21,688 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-13 01:09:21,689 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-13 01:09:21,689 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-13 01:09:21,689 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-13 01:09:21,689 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-13 01:09:21,689 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-13 01:09:21,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:21,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-13 01:09:21,728 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:21,728 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:21,735 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:09:21,735 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:21,735 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-13 01:09:21,736 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:21,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-13 01:09:21,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:21,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:21,738 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-13 01:09:21,738 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:21,744 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 9#L-1true havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 13#L28-3true [2021-10-13 01:09:21,744 INFO L793 eck$LassoCheckResult]: Loop: 13#L28-3true call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 11#L28-1true assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 7#L33true call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 12#recENTRYtrue ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 10#L9true assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 17#recFINALtrue assume true; 14#recEXITtrue >#39#return; 6#L33-1true assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 15#L33-3true call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 13#L28-3true [2021-10-13 01:09:21,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:21,750 INFO L82 PathProgramCache]: Analyzing trace with hash 1219, now seen corresponding path program 1 times [2021-10-13 01:09:21,758 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:21,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999113079] [2021-10-13 01:09:21,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:21,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:21,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:21,889 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:21,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:21,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1673639481, now seen corresponding path program 1 times [2021-10-13 01:09:21,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:21,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863288584] [2021-10-13 01:09:21,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:21,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:21,957 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:22,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:22,037 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:22,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:22,039 INFO L82 PathProgramCache]: Analyzing trace with hash -508919995, now seen corresponding path program 1 times [2021-10-13 01:09:22,039 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:22,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116742029] [2021-10-13 01:09:22,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:22,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:22,089 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:22,134 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:23,117 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:09:23,118 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:09:23,118 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:09:23,118 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:09:23,118 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:09:23,118 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:23,118 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:09:23,119 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:09:23,119 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration1_Lasso [2021-10-13 01:09:23,119 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:09:23,119 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:09:23,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,222 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,228 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,247 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:23,527 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:09:23,531 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:09:23,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:23,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:23,560 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:23,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-13 01:09:23,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:23,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:23,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:23,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:23,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:23,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:23,596 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:23,596 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:23,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:23,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-13 01:09:23,642 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:23,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:23,643 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-13 01:09:23,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:23,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:23,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:23,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:23,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:23,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:23,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:23,683 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:09:23,697 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-13 01:09:23,698 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 3 variables to zero. [2021-10-13 01:09:23,699 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:23,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:23,717 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:23,728 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:09:23,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-13 01:09:23,757 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:09:23,757 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:09:23,758 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_main_~qq~0.base) ULTIMATE.start_main_~qq~0.offset)_1 Supporting invariants [] [2021-10-13 01:09:23,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:23,791 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2021-10-13 01:09:23,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:23,827 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-13 01:09:23,828 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:23,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 18 conjunts are in the unsatisfiable core [2021-10-13 01:09:23,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:24,007 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-10-13 01:09:24,072 INFO L354 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2021-10-13 01:09:24,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2021-10-13 01:09:24,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:24,176 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2021-10-13 01:09:24,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:09:24,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 13 states have (on average 1.3076923076923077) internal successors, (17), 13 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Result 65 states and 78 transitions. Complement of second has 18 states. [2021-10-13 01:09:24,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 1 stem states 6 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:24,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:09:24,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 24 transitions. [2021-10-13 01:09:24,319 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 9 letters. [2021-10-13 01:09:24,321 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:24,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 11 letters. Loop has 9 letters. [2021-10-13 01:09:24,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:24,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 24 transitions. Stem has 2 letters. Loop has 18 letters. [2021-10-13 01:09:24,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:24,324 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 78 transitions. [2021-10-13 01:09:24,329 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-13 01:09:24,335 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 47 states and 58 transitions. [2021-10-13 01:09:24,337 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-13 01:09:24,337 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-10-13 01:09:24,338 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 58 transitions. [2021-10-13 01:09:24,338 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:09:24,339 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 58 transitions. [2021-10-13 01:09:24,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 58 transitions. [2021-10-13 01:09:24,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-10-13 01:09:24,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 8 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2021-10-13 01:09:24,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-10-13 01:09:24,370 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-13 01:09:24,371 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-10-13 01:09:24,371 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-13 01:09:24,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-10-13 01:09:24,373 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 11 [2021-10-13 01:09:24,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:24,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:24,374 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:24,374 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:09:24,374 INFO L791 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 168#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 187#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 190#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 170#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 192#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 188#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 180#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 181#recENTRY [2021-10-13 01:09:24,375 INFO L793 eck$LassoCheckResult]: Loop: 181#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 212#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 197#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 181#recENTRY [2021-10-13 01:09:24,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:24,375 INFO L82 PathProgramCache]: Analyzing trace with hash -15731550, now seen corresponding path program 1 times [2021-10-13 01:09:24,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:24,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711529662] [2021-10-13 01:09:24,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:24,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,402 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:24,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,456 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:24,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:24,457 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 1 times [2021-10-13 01:09:24,457 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:24,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880658103] [2021-10-13 01:09:24,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:24,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,469 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,492 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:24,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:24,493 INFO L82 PathProgramCache]: Analyzing trace with hash -507170626, now seen corresponding path program 2 times [2021-10-13 01:09:24,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:24,494 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386222383] [2021-10-13 01:09:24,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:24,494 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:24,526 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:24,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,543 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:24,578 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:26,717 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:09:26,717 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:09:26,718 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:09:26,718 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:09:26,718 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:09:26,718 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:26,718 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:09:26,718 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:09:26,718 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration2_Lasso [2021-10-13 01:09:26,718 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:09:26,718 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:09:26,722 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,726 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,728 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,731 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,740 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,741 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,743 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,745 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,748 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,958 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,967 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,972 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:26,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:27,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:27,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:27,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:27,471 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:09:27,472 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:09:27,472 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,480 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-13 01:09:27,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,494 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,494 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,494 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,494 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,494 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,495 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,534 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-13 01:09:27,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,545 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,615 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,636 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-13 01:09:27,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,706 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-13 01:09:27,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,751 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-13 01:09:27,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,797 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,828 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-13 01:09:27,830 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,838 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,838 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:27,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:27,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,897 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-13 01:09:27,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,929 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,929 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,929 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,930 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-13 01:09:27,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:27,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:27,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:27,968 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:27,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-13 01:09:27,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:27,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:27,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:27,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:27,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:27,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:27,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:27,978 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:27,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:27,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,001 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-13 01:09:28,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,012 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:28,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,013 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:28,013 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:28,014 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,033 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-10-13 01:09:28,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,034 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-13 01:09:28,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:28,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,043 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:28,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,064 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,065 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-13 01:09:28,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:28,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:28,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,097 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-13 01:09:28,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,107 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-10-13 01:09:28,107 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-13 01:09:28,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,130 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-10-13 01:09:28,130 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-13 01:09:28,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,202 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,203 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-13 01:09:28,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,213 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,213 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,216 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,216 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,270 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,272 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,302 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-13 01:09:28,317 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,353 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,358 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-13 01:09:28,364 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,425 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,426 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,437 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-13 01:09:28,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,448 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,448 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,506 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,507 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,518 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,518 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,521 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-13 01:09:28,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:28,563 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-10-13 01:09:28,563 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,564 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-13 01:09:28,565 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:28,572 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:28,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:28,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:28,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:28,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:28,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:28,605 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:09:28,635 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-13 01:09:28,635 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-13 01:09:28,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:28,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:28,641 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:28,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:09:28,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-13 01:09:28,674 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:09:28,674 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:09:28,674 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_1) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_1 + 1 Supporting invariants [] [2021-10-13 01:09:28,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,713 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-10-13 01:09:28,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:28,777 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-13 01:09:28,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:28,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:28,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 01:09:28,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:28,942 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:28,951 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-13 01:09:28,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-13 01:09:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:28,982 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-10-13 01:09:28,983 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16 Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:29,099 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 57 transitions. cyclomatic complexity: 16. Second operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 128 states and 165 transitions. Complement of second has 18 states. [2021-10-13 01:09:29,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:29,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 01:09:29,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2021-10-13 01:09:29,104 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 3 letters. [2021-10-13 01:09:29,104 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:29,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 11 letters. Loop has 3 letters. [2021-10-13 01:09:29,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:29,105 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 8 letters. Loop has 6 letters. [2021-10-13 01:09:29,105 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:29,105 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 128 states and 165 transitions. [2021-10-13 01:09:29,111 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-10-13 01:09:29,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 128 states to 110 states and 147 transitions. [2021-10-13 01:09:29,117 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2021-10-13 01:09:29,117 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 61 [2021-10-13 01:09:29,117 INFO L73 IsDeterministic]: Start isDeterministic. Operand 110 states and 147 transitions. [2021-10-13 01:09:29,118 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:09:29,118 INFO L681 BuchiCegarLoop]: Abstraction has 110 states and 147 transitions. [2021-10-13 01:09:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states and 147 transitions. [2021-10-13 01:09:29,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 104. [2021-10-13 01:09:29,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 73 states have (on average 1.2602739726027397) internal successors, (92), 78 states have internal predecessors, (92), 17 states have call successors, (17), 14 states have call predecessors, (17), 14 states have return successors, (26), 11 states have call predecessors, (26), 17 states have call successors, (26) [2021-10-13 01:09:29,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 135 transitions. [2021-10-13 01:09:29,132 INFO L704 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-10-13 01:09:29,132 INFO L587 BuchiCegarLoop]: Abstraction has 104 states and 135 transitions. [2021-10-13 01:09:29,133 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-13 01:09:29,133 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states and 135 transitions. [2021-10-13 01:09:29,136 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2021-10-13 01:09:29,136 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:29,136 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:29,137 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:29,137 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:29,137 INFO L791 eck$LassoCheckResult]: Stem: 428#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 429#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 452#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 464#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 516#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 517#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 519#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 518#recFINAL assume true; 515#recEXIT >#39#return; 442#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 443#L33-3 [2021-10-13 01:09:29,138 INFO L793 eck$LassoCheckResult]: Loop: 443#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 503#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 502#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 477#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 501#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 500#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 490#recFINAL assume true; 476#recEXIT >#39#return; 473#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 443#L33-3 [2021-10-13 01:09:29,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:29,138 INFO L82 PathProgramCache]: Analyzing trace with hash 2061793209, now seen corresponding path program 1 times [2021-10-13 01:09:29,138 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:29,139 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724414490] [2021-10-13 01:09:29,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:29,139 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:29,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:09:29,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:29,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:29,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:29,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724414490] [2021-10-13 01:09:29,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [724414490] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:09:29,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:09:29,211 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 01:09:29,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611492758] [2021-10-13 01:09:29,213 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:09:29,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:29,216 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 2 times [2021-10-13 01:09:29,216 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:29,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051361239] [2021-10-13 01:09:29,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:29,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:29,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:29,231 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:29,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:29,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:29,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:29,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 01:09:29,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-13 01:09:29,781 INFO L87 Difference]: Start difference. First operand 104 states and 135 transitions. cyclomatic complexity: 41 Second operand has 6 states, 5 states have (on average 1.6) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2021-10-13 01:09:29,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:29,842 INFO L93 Difference]: Finished difference Result 98 states and 123 transitions. [2021-10-13 01:09:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 01:09:29,843 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 123 transitions. [2021-10-13 01:09:29,847 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2021-10-13 01:09:29,859 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 92 states and 117 transitions. [2021-10-13 01:09:29,860 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-10-13 01:09:29,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2021-10-13 01:09:29,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 117 transitions. [2021-10-13 01:09:29,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:09:29,861 INFO L681 BuchiCegarLoop]: Abstraction has 92 states and 117 transitions. [2021-10-13 01:09:29,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 117 transitions. [2021-10-13 01:09:29,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2021-10-13 01:09:29,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 62 states have (on average 1.2096774193548387) internal successors, (75), 68 states have internal predecessors, (75), 14 states have call successors, (14), 11 states have call predecessors, (14), 14 states have return successors, (26), 10 states have call predecessors, (26), 14 states have call successors, (26) [2021-10-13 01:09:29,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2021-10-13 01:09:29,880 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-10-13 01:09:29,881 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2021-10-13 01:09:29,881 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-13 01:09:29,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2021-10-13 01:09:29,883 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 12 [2021-10-13 01:09:29,888 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:29,888 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:29,890 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:29,890 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:29,891 INFO L791 eck$LassoCheckResult]: Stem: 657#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 658#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 669#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 711#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 691#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 710#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 709#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 649#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 707#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 708#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 721#recFINAL assume true; 701#recEXIT >#37#return; 699#L19-1 #res := #t~ret5;havoc #t~ret5; 696#recFINAL assume true; 690#recEXIT >#39#return; 659#L33-1 assume !(main_#t~ret11 <= -1);main_#t~ite12 := 1; 660#L33-3 [2021-10-13 01:09:29,892 INFO L793 eck$LassoCheckResult]: Loop: 660#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 682#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 674#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 663#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 664#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 700#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 697#recFINAL assume true; 692#recEXIT >#39#return; 688#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 660#L33-3 [2021-10-13 01:09:29,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:29,893 INFO L82 PathProgramCache]: Analyzing trace with hash 970657719, now seen corresponding path program 1 times [2021-10-13 01:09:29,893 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:29,893 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229835071] [2021-10-13 01:09:29,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:29,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:29,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-10-13 01:09:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:29,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-10-13 01:09:30,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-13 01:09:30,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-13 01:09:30,015 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229835071] [2021-10-13 01:09:30,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229835071] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 01:09:30,016 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 01:09:30,016 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 01:09:30,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944766818] [2021-10-13 01:09:30,017 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-13 01:09:30,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:30,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1530037457, now seen corresponding path program 3 times [2021-10-13 01:09:30,018 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:30,019 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882554124] [2021-10-13 01:09:30,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:30,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,035 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:30,514 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-13 01:09:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 01:09:30,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-13 01:09:30,515 INFO L87 Difference]: Start difference. First operand 90 states and 115 transitions. cyclomatic complexity: 33 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 4 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2021-10-13 01:09:30,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 01:09:30,562 INFO L93 Difference]: Finished difference Result 76 states and 96 transitions. [2021-10-13 01:09:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 01:09:30,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 96 transitions. [2021-10-13 01:09:30,565 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:09:30,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 52 states and 63 transitions. [2021-10-13 01:09:30,567 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2021-10-13 01:09:30,567 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2021-10-13 01:09:30,567 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2021-10-13 01:09:30,567 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-13 01:09:30,567 INFO L681 BuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2021-10-13 01:09:30,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2021-10-13 01:09:30,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2021-10-13 01:09:30,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 38 states have internal predecessors, (40), 8 states have call successors, (8), 6 states have call predecessors, (8), 7 states have return successors, (12), 4 states have call predecessors, (12), 6 states have call successors, (12) [2021-10-13 01:09:30,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2021-10-13 01:09:30,583 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-10-13 01:09:30,583 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 60 transitions. [2021-10-13 01:09:30,583 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-13 01:09:30,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 60 transitions. [2021-10-13 01:09:30,584 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-13 01:09:30,587 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-13 01:09:30,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-13 01:09:30,588 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 01:09:30,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-13 01:09:30,589 INFO L791 eck$LassoCheckResult]: Stem: 843#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 844#L-1 havoc main_#res;havoc main_#t~malloc6.base, main_#t~malloc6.offset, main_#t~nondet7, main_#t~malloc9.base, main_#t~malloc9.offset, main_#t~nondet10, main_#t~mem13, main_#t~ret11, main_#t~ite12, main_~pp~0.base, main_~pp~0.offset, main_#t~mem8, main_~qq~0.base, main_~qq~0.offset;call main_#t~malloc6.base, main_#t~malloc6.offset := #Ultimate.allocOnHeap(4);main_~qq~0.base, main_~qq~0.offset := main_#t~malloc6.base, main_#t~malloc6.offset;havoc main_#t~malloc6.base, main_#t~malloc6.offset;call write~int(main_#t~nondet7, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~nondet7; 853#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 862#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 869#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 870#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 872#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 841#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 859#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 855#L9 assume #t~mem1 < 0;havoc #t~mem1;call #t~mem2 := read~int(~op.base, ~op.offset, 4);~r~0 := #t~mem2;havoc #t~mem2;call ULTIMATE.dealloc(~op.base, ~op.offset);#res := ~r~0; 856#recFINAL assume true; 865#recEXIT >#37#return; 876#L19-1 #res := #t~ret5;havoc #t~ret5; 875#recFINAL assume true; 874#recEXIT >#39#return; 845#L33-1 assume main_#t~ret11 <= -1;main_#t~ite12 := -1; 846#L33-3 call write~int(main_#t~mem13 + main_#t~ite12, main_~qq~0.base, main_~qq~0.offset, 4);havoc main_#t~mem13;havoc main_#t~ret11;havoc main_#t~ite12; 864#L28-3 call main_#t~mem8 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 857#L28-1 assume !!(main_#t~mem8 > 1);havoc main_#t~mem8;call main_#t~malloc9.base, main_#t~malloc9.offset := #Ultimate.allocOnHeap(4);main_~pp~0.base, main_~pp~0.offset := main_#t~malloc9.base, main_#t~malloc9.offset;havoc main_#t~malloc9.base, main_#t~malloc9.offset;call write~int(main_#t~nondet10, main_~pp~0.base, main_~pp~0.offset, 4);havoc main_#t~nondet10;call main_#t~mem13 := read~int(main_~qq~0.base, main_~qq~0.offset, 4); 849#L33 call main_#t~ret11 := rec(main_~pp~0.base, main_~pp~0.offset);< 848#recENTRY [2021-10-13 01:09:30,590 INFO L793 eck$LassoCheckResult]: Loop: 848#recENTRY ~op.base, ~op.offset := #in~op.base, #in~op.offset;call #t~mem1 := read~int(~op.base, ~op.offset, 4); 854#L9 assume !(#t~mem1 < 0);havoc #t~mem1;call #t~malloc3.base, #t~malloc3.offset := #Ultimate.allocOnHeap(4);~ip~0.base, ~ip~0.offset := #t~malloc3.base, #t~malloc3.offset;havoc #t~malloc3.base, #t~malloc3.offset;call #t~mem4 := read~int(~op.base, ~op.offset, 4);call write~int(#t~mem4 - 1, ~ip~0.base, ~ip~0.offset, 4);havoc #t~mem4;call ULTIMATE.dealloc(~op.base, ~op.offset); 847#L19 call #t~ret5 := rec(~ip~0.base, ~ip~0.offset);< 848#recENTRY [2021-10-13 01:09:30,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:30,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1312873862, now seen corresponding path program 1 times [2021-10-13 01:09:30,590 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:30,591 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188685173] [2021-10-13 01:09:30,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:30,591 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,623 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,661 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:30,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:30,663 INFO L82 PathProgramCache]: Analyzing trace with hash 29951, now seen corresponding path program 2 times [2021-10-13 01:09:30,663 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:30,663 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118032810] [2021-10-13 01:09:30,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:30,663 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,673 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,680 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:30,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:30,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1853025306, now seen corresponding path program 2 times [2021-10-13 01:09:30,681 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-13 01:09:30,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1646581948] [2021-10-13 01:09:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 01:09:30,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 01:09:30,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,739 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 01:09:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 01:09:30,783 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-13 01:09:35,043 INFO L210 LassoAnalysis]: Preferences: [2021-10-13 01:09:35,043 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-13 01:09:35,043 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-13 01:09:35,043 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-13 01:09:35,043 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-13 01:09:35,043 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:35,044 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-13 01:09:35,044 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-13 01:09:35,044 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_malloc_ex11B.i_Iteration5_Lasso [2021-10-13 01:09:35,044 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-13 01:09:35,044 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-13 01:09:35,048 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,051 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,052 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,054 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,097 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,105 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,444 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:35,460 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-13 01:09:36,052 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-13 01:09:36,053 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-13 01:09:36,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,068 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-13 01:09:36,069 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,098 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,098 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-13 01:09:36,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,109 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,128 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,131 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-13 01:09:36,134 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,157 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-10-13 01:09:36,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,184 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-13 01:09:36,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,195 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,227 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-13 01:09:36,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,237 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:36,237 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:36,240 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,262 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,262 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,263 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-13 01:09:36,264 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,305 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,343 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,346 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-13 01:09:36,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-13 01:09:36,401 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,402 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-13 01:09:36,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,412 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,412 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,434 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-13 01:09:36,435 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-13 01:09:36,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,464 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-13 01:09:36,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,473 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,473 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,473 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-10-13 01:09:36,494 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,495 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-13 01:09:36,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:36,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:36,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,527 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,527 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,528 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-13 01:09:36,538 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,545 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,546 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,546 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,546 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,546 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,575 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,576 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-13 01:09:36,586 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,653 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,658 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,671 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-13 01:09:36,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,715 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-13 01:09:36,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-13 01:09:36,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,746 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-13 01:09:36,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,778 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-13 01:09:36,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,815 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-13 01:09:36,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,824 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-13 01:09:36,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,845 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-13 01:09:36,847 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,854 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,855 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,855 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-13 01:09:36,876 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,876 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-13 01:09:36,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,885 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,885 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,905 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,906 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-13 01:09:36,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:36,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:36,938 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:36,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:36,939 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:36,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-13 01:09:36,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:36,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:36,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:36,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:36,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:36,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:36,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:36,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:36,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-13 01:09:37,007 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,008 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-13 01:09:37,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:37,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-13 01:09:37,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-13 01:09:37,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-13 01:09:37,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-13 01:09:37,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,039 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-13 01:09:37,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:37,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,047 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,047 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,047 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,049 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:37,049 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:37,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:37,073 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,074 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-13 01:09:37,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:37,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,084 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:37,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:37,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,108 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-13 01:09:37,108 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,109 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,130 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:37,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:37,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:37,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-13 01:09:37,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,194 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:37,194 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,195 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,197 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 [2021-10-13 01:09:37,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-13 01:09:37,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:37,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:37,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-13 01:09:37,229 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-13 01:09:37,230 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,232 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-13 01:09:37,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-13 01:09:37,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-13 01:09:37,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-13 01:09:37,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-13 01:09:37,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-13 01:09:37,247 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-13 01:09:37,247 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-13 01:09:37,256 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-13 01:09:37,272 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-13 01:09:37,273 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-13 01:09:37,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-13 01:09:37,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 01:09:37,274 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-13 01:09:37,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-13 01:09:37,275 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-13 01:09:37,283 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-13 01:09:37,283 INFO L513 LassoAnalysis]: Proved termination. [2021-10-13 01:09:37,283 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int rec_#in~op.base) 0)_2) = 2*v_rep(select (select #memory_int rec_#in~op.base) 0)_2 + 1 Supporting invariants [] [2021-10-13 01:09:37,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:37,307 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-10-13 01:09:37,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:37,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 01:09:37,361 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:37,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 01:09:37,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:37,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:37,699 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-13 01:09:37,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-13 01:09:37,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:37,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-13 01:09:37,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:37,836 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 17 states. [2021-10-13 01:09:37,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:37,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:37,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-13 01:09:37,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-13 01:09:37,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:37,837 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:09:37,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:37,901 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 01:09:37,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:38,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-13 01:09:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:38,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 01:09:38,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:38,227 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:38,235 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-13 01:09:38,236 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-13 01:09:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:38,265 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-13 01:09:38,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:38,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 78 states and 96 transitions. Complement of second has 17 states. [2021-10-13 01:09:38,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 10 transitions. [2021-10-13 01:09:38,376 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 10 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-13 01:09:38,376 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:38,376 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-13 01:09:38,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 01:09:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:38,431 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-13 01:09:38,432 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:38,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 01:09:38,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 21 conjunts are in the unsatisfiable core [2021-10-13 01:09:38,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-13 01:09:38,734 INFO L173 IndexEqualityManager]: detected equality via solver [2021-10-13 01:09:38,743 INFO L354 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2021-10-13 01:09:38,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 31 [2021-10-13 01:09:38,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 01:09:38,771 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 3 loop predicates [2021-10-13 01:09:38,772 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16 Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:38,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 60 transitions. cyclomatic complexity: 16. Second operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 77 states and 89 transitions. Complement of second has 18 states. [2021-10-13 01:09:38,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 3 non-accepting loop states 1 accepting loop states [2021-10-13 01:09:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-13 01:09:38,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-10-13 01:09:38,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 20 letters. Loop has 3 letters. [2021-10-13 01:09:38,914 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:38,914 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 23 letters. Loop has 3 letters. [2021-10-13 01:09:38,915 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:38,915 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 20 letters. Loop has 6 letters. [2021-10-13 01:09:38,916 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-13 01:09:38,916 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 89 transitions. [2021-10-13 01:09:38,917 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:09:38,917 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 0 states and 0 transitions. [2021-10-13 01:09:38,918 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-13 01:09:38,918 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-13 01:09:38,918 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-13 01:09:38,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-13 01:09:38,918 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:09:38,918 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:09:38,918 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 01:09:38,918 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-13 01:09:38,919 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-13 01:09:38,919 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-13 01:09:38,919 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-13 01:09:38,925 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.10 01:09:38 BoogieIcfgContainer [2021-10-13 01:09:38,925 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-13 01:09:38,925 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 01:09:38,925 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 01:09:38,926 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 01:09:38,926 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 01:09:21" (3/4) ... [2021-10-13 01:09:38,929 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-13 01:09:38,929 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 01:09:38,930 INFO L168 Benchmark]: Toolchain (without parser) took 17910.74 ms. Allocated memory was 86.0 MB in the beginning and 182.5 MB in the end (delta: 96.5 MB). Free memory was 50.0 MB in the beginning and 85.7 MB in the end (delta: -35.6 MB). Peak memory consumption was 60.9 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:38,930 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:09:38,931 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.94 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 82.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:38,931 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.20 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:09:38,932 INFO L168 Benchmark]: Boogie Preprocessor took 21.88 ms. Allocated memory is still 104.9 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:38,932 INFO L168 Benchmark]: RCFGBuilder took 300.27 ms. Allocated memory is still 104.9 MB. Free memory was 80.1 MB in the beginning and 69.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:38,932 INFO L168 Benchmark]: BuchiAutomizer took 17290.23 ms. Allocated memory was 104.9 MB in the beginning and 182.5 MB in the end (delta: 77.6 MB). Free memory was 69.6 MB in the beginning and 85.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. [2021-10-13 01:09:38,933 INFO L168 Benchmark]: Witness Printer took 3.89 ms. Allocated memory is still 182.5 MB. Free memory is still 85.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 01:09:38,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 86.0 MB. Free memory was 66.6 MB in the beginning and 66.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 248.94 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 49.8 MB in the beginning and 82.5 MB in the end (delta: -32.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.20 ms. Allocated memory is still 104.9 MB. Free memory was 82.5 MB in the beginning and 81.2 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.88 ms. Allocated memory is still 104.9 MB. Free memory was 81.2 MB in the beginning and 80.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 300.27 ms. Allocated memory is still 104.9 MB. Free memory was 80.1 MB in the beginning and 69.9 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 17290.23 ms. Allocated memory was 104.9 MB in the beginning and 182.5 MB in the end (delta: 77.6 MB). Free memory was 69.6 MB in the beginning and 85.7 MB in the end (delta: -16.1 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. * Witness Printer took 3.89 ms. Allocated memory is still 182.5 MB. Free memory is still 85.7 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 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function unknown-#memory_int-unknown[qq][qq] and consists of 9 locations. One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 6 locations. One nondeterministic module has affine ranking function 2 * unknown-#memory_int-unknown[op][0] + 1 and consists of 7 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 17.2s and 6 iterations. TraceHistogramMax:2. Analysis of lassos took 14.3s. Construction of modules took 0.2s. Büchi inclusion checks took 2.4s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 66.8ms AutomataMinimizationTime, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 104 states and ocurred in iteration 2. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 82 SDtfs, 61 SDslu, 138 SDs, 0 SdLazy, 197 SolverSat, 53 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 232.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU2 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital392 mio100 ax100 hnf100 lsp97 ukn39 mio100 lsp29 div100 bol100 ite100 ukn100 eq176 hnf89 smp96 dnf412 smp77 tf100 neg85 sie158 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 69ms VariablesStem: 4 VariablesLoop: 2 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-13 01:09:38,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f8792f9f-8f3d-4f10-84a2-ebdd64578727/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...