./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL --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 32bit --witnessprinter.graph.data.programhash 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 05:20:57,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 05:20:57,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 05:20:57,819 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 05:20:57,819 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 05:20:57,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 05:20:57,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 05:20:57,829 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 05:20:57,832 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 05:20:57,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 05:20:57,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 05:20:57,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 05:20:57,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 05:20:57,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 05:20:57,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 05:20:57,851 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 05:20:57,853 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 05:20:57,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 05:20:57,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 05:20:57,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 05:20:57,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 05:20:57,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 05:20:57,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 05:20:57,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 05:20:57,881 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 05:20:57,881 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 05:20:57,882 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 05:20:57,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 05:20:57,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 05:20:57,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 05:20:57,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 05:20:57,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 05:20:57,890 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 05:20:57,891 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 05:20:57,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 05:20:57,893 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 05:20:57,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 05:20:57,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 05:20:57,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 05:20:57,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 05:20:57,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 05:20:57,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-19 05:20:57,945 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 05:20:57,945 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 05:20:57,946 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 05:20:57,946 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 05:20:57,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 05:20:57,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 05:20:57,949 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 05:20:57,950 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-19 05:20:57,950 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-19 05:20:57,950 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-19 05:20:57,951 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-19 05:20:57,951 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-19 05:20:57,952 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-19 05:20:57,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 05:20:57,952 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 05:20:57,952 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 05:20:57,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 05:20:57,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 05:20:57,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 05:20:57,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-19 05:20:57,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-19 05:20:57,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-19 05:20:57,954 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 05:20:57,954 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 05:20:57,954 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-19 05:20:57,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 05:20:57,955 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-19 05:20:57,955 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 05:20:57,955 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 05:20:57,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 05:20:57,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 05:20:57,956 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 05:20:57,958 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-19 05:20:57,958 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_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 142d17131671d2eab991ea08656e3b8bfe555dee984fe7672c9a027e971df0f8 [2021-11-19 05:20:58,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 05:20:58,293 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 05:20:58,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 05:20:58,297 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 05:20:58,298 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 05:20:58,299 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/loop-invgen/large_const.i [2021-11-19 05:20:58,367 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/data/e99b1893a/7351fa8336734d809c2aed5f6b9bc027/FLAG0dfb66091 [2021-11-19 05:20:58,953 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 05:20:58,954 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/sv-benchmarks/c/loop-invgen/large_const.i [2021-11-19 05:20:58,965 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/data/e99b1893a/7351fa8336734d809c2aed5f6b9bc027/FLAG0dfb66091 [2021-11-19 05:20:59,313 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/data/e99b1893a/7351fa8336734d809c2aed5f6b9bc027 [2021-11-19 05:20:59,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 05:20:59,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 05:20:59,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 05:20:59,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 05:20:59,324 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 05:20:59,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6090e173 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59, skipping insertion in model container [2021-11-19 05:20:59,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 05:20:59,349 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 05:20:59,549 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-11-19 05:20:59,561 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:20:59,569 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 05:20:59,582 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/sv-benchmarks/c/loop-invgen/large_const.i[893,906] [2021-11-19 05:20:59,588 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 05:20:59,601 INFO L208 MainTranslator]: Completed translation [2021-11-19 05:20:59,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59 WrapperNode [2021-11-19 05:20:59,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 05:20:59,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 05:20:59,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 05:20:59,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 05:20:59,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,618 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,641 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2021-11-19 05:20:59,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 05:20:59,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 05:20:59,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 05:20:59,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 05:20:59,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,663 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,677 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,684 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 05:20:59,685 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 05:20:59,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 05:20:59,687 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 05:20:59,688 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (1/1) ... [2021-11-19 05:20:59,696 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:20:59,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:20:59,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:20:59,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-19 05:20:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 05:20:59,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 05:20:59,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 05:20:59,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 05:20:59,854 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 05:20:59,857 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 05:21:00,019 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 05:21:00,038 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 05:21:00,039 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-19 05:21:00,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:00 BoogieIcfgContainer [2021-11-19 05:21:00,041 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 05:21:00,042 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-19 05:21:00,042 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-19 05:21:00,046 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-19 05:21:00,047 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:00,047 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 05:20:59" (1/3) ... [2021-11-19 05:21:00,048 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1758e359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:21:00, skipping insertion in model container [2021-11-19 05:21:00,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:00,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:20:59" (2/3) ... [2021-11-19 05:21:00,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1758e359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 05:21:00, skipping insertion in model container [2021-11-19 05:21:00,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-19 05:21:00,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:00" (3/3) ... [2021-11-19 05:21:00,065 INFO L388 chiAutomizerObserver]: Analyzing ICFG large_const.i [2021-11-19 05:21:00,109 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-19 05:21:00,110 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-19 05:21:00,110 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-19 05:21:00,110 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-19 05:21:00,110 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-19 05:21:00,110 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-19 05:21:00,111 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-19 05:21:00,111 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-19 05:21:00,126 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:00,146 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-19 05:21:00,147 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:21:00,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:21:00,154 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-19 05:21:00,154 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:21:00,154 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-19 05:21:00,155 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:00,157 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-11-19 05:21:00,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:21:00,158 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:21:00,158 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-19 05:21:00,159 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:21:00,166 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 7#L31true assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 12#L40-2true [2021-11-19 05:21:00,166 INFO L793 eck$LassoCheckResult]: Loop: 12#L40-2true assume !!(main_~i~0#1 < main_~n~0#1);main_#t~post2#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post2#1;havoc main_#t~post2#1;main_~v~0#1 := main_#t~nondet3#1;havoc main_#t~nondet3#1; 10#L37true assume !!(0 <= main_~v~0#1 && main_~n~0#1 < 2); 15#L38true assume 0 == main_~v~0#1;main_~k~0#1 := main_~k~0#1 + main_~c1~0#1; 12#L40-2true [2021-11-19 05:21:00,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:00,174 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-19 05:21:00,187 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:00,187 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315158124] [2021-11-19 05:21:00,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:00,189 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:00,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,298 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,350 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:00,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:00,353 INFO L85 PathProgramCache]: Analyzing trace with hash 45842, now seen corresponding path program 1 times [2021-11-19 05:21:00,354 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:00,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531346158] [2021-11-19 05:21:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:00,356 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,379 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,395 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:00,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:00,407 INFO L85 PathProgramCache]: Analyzing trace with hash 889575311, now seen corresponding path program 1 times [2021-11-19 05:21:00,408 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:00,408 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405079253] [2021-11-19 05:21:00,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:00,409 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,423 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:00,459 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:00,643 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:21:00,643 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:21:00,644 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:21:00,644 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:21:00,644 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:21:00,644 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:00,645 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:21:00,645 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:21:00,645 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-11-19 05:21:00,646 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:21:00,646 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:21:00,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:00,672 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:00,681 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:00,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:00,775 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:21:00,779 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:21:00,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:00,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:00,788 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:00,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:21:00,795 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:00,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-19 05:21:00,819 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:21:00,819 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:21:00,856 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:00,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:00,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:00,859 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:00,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:21:00,865 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:00,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-19 05:21:00,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:00,924 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:00,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:00,927 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:00,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:21:00,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:00,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-19 05:21:01,075 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:21:01,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:01,086 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:21:01,086 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:21:01,086 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:21:01,086 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:21:01,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:21:01,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:01,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:21:01,087 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:21:01,087 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2021-11-19 05:21:01,087 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:21:01,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:21:01,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:01,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:01,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:01,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:01,180 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:21:01,185 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:21:01,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:01,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:01,188 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:01,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-19 05:21:01,199 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:21:01,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:21:01,217 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:21:01,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:21:01,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:21:01,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:21:01,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:21:01,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:21:01,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:21:01,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:01,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:01,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:01,255 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:01,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-19 05:21:01,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:21:01,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:21:01,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:21:01,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:21:01,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:21:01,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:21:01,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:21:01,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:21:01,277 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:21:01,281 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:21:01,281 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-19 05:21:01,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:01,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:01,288 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:01,290 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:21:01,290 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:21:01,290 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:21:01,291 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~n~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~n~0#1 Supporting invariants [] [2021-11-19 05:21:01,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-19 05:21:01,331 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:01,334 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:21:01,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:01,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:01,416 INFO L263 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:21:01,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:01,441 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-19 05:21:01,441 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:01,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:01,568 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-19 05:21:01,570 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:01,643 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.6) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 59 transitions. Complement of second has 5 states. [2021-11-19 05:21:01,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-19 05:21:01,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 40 transitions. [2021-11-19 05:21:01,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-19 05:21:01,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:01,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-19 05:21:01,657 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:01,657 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 40 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-19 05:21:01,658 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:01,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 59 transitions. [2021-11-19 05:21:01,668 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:21:01,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 16 states and 22 transitions. [2021-11-19 05:21:01,674 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2021-11-19 05:21:01,675 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2021-11-19 05:21:01,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 22 transitions. [2021-11-19 05:21:01,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-19 05:21:01,676 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 22 transitions. [2021-11-19 05:21:01,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 22 transitions. [2021-11-19 05:21:01,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2021-11-19 05:21:01,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4) internal successors, (21), 14 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:01,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 21 transitions. [2021-11-19 05:21:01,704 INFO L704 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-19 05:21:01,705 INFO L587 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2021-11-19 05:21:01,705 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-19 05:21:01,705 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 21 transitions. [2021-11-19 05:21:01,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-19 05:21:01,706 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-19 05:21:01,706 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-19 05:21:01,707 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-11-19 05:21:01,707 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-19 05:21:01,708 INFO L791 eck$LassoCheckResult]: Stem: 103#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(9, 2); 104#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;main_#in~argc#1, main_#in~argv#1.base, main_#in~argv#1.offset := #in~argc#1, #in~argv#1.base, #in~argv#1.offset;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~post2#1, main_#t~nondet3#1, main_#t~post4#1, main_#t~post5#1, main_~argc#1, main_~argv#1.base, main_~argv#1.offset, main_~c1~0#1, main_~c2~0#1, main_~c3~0#1, main_~n~0#1, main_~v~0#1, main_~i~0#1, main_~k~0#1, main_~j~0#1;main_~argc#1 := main_#in~argc#1;main_~argv#1.base, main_~argv#1.offset := main_#in~argv#1.base, main_#in~argv#1.offset;main_~c1~0#1 := 4000;main_~c2~0#1 := 2000;main_~c3~0#1 := 10000;havoc main_~n~0#1;havoc main_~v~0#1;havoc main_~i~0#1;havoc main_~k~0#1;havoc main_~j~0#1;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 114#L31 assume !!(0 <= main_~n~0#1 && main_~n~0#1 < 10);main_~k~0#1 := 0;main_~i~0#1 := 0; 115#L40-2 assume !(main_~i~0#1 < main_~n~0#1); 107#L34-2 main_~j~0#1 := 0; 105#L46-2 [2021-11-19 05:21:01,708 INFO L793 eck$LassoCheckResult]: Loop: 105#L46-2 assume !!(main_~j~0#1 < main_~n~0#1);assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if main_~k~0#1 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 101#L18 assume !(0 == __VERIFIER_assert_~cond#1); 102#L18-2 assume { :end_inline___VERIFIER_assert } true;main_#t~post4#1 := main_~j~0#1;main_~j~0#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1;main_#t~post5#1 := main_~k~0#1;main_~k~0#1 := main_#t~post5#1 - 1;havoc main_#t~post5#1; 105#L46-2 [2021-11-19 05:21:01,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:01,710 INFO L85 PathProgramCache]: Analyzing trace with hash 28695930, now seen corresponding path program 1 times [2021-11-19 05:21:01,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:01,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895540880] [2021-11-19 05:21:01,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:01,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:01,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:01,737 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:01,755 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:01,756 INFO L85 PathProgramCache]: Analyzing trace with hash 74703, now seen corresponding path program 1 times [2021-11-19 05:21:01,756 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:01,757 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636525104] [2021-11-19 05:21:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:01,757 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:01,772 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-19 05:21:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-19 05:21:01,791 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-19 05:21:01,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:01,793 INFO L85 PathProgramCache]: Analyzing trace with hash 182003638, now seen corresponding path program 1 times [2021-11-19 05:21:01,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-19 05:21:01,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746588835] [2021-11-19 05:21:01,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 05:21:01,794 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 05:21:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:01,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:01,943 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-19 05:21:01,944 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746588835] [2021-11-19 05:21:01,945 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746588835] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 05:21:01,945 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 05:21:01,945 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 05:21:01,946 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146360420] [2021-11-19 05:21:01,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 05:21:01,999 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:21:01,999 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:21:02,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:21:02,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:21:02,000 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-19 05:21:02,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:21:02,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:21:02,001 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-11-19 05:21:02,001 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:21:02,001 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:21:02,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,017 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,064 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:21:02,064 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-19 05:21:02,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,066 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,079 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:21:02,079 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:02,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-19 05:21:02,107 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:21:02,107 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Honda state: {ULTIMATE.start___VERIFIER_assert_~cond#1=1, ULTIMATE.start___VERIFIER_assert_#in~cond#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:21:02,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,145 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,146 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,155 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:21:02,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:02,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-19 05:21:02,175 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-19 05:21:02,175 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post4#1=0} Honda state: {ULTIMATE.start_main_#t~post4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-19 05:21:02,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,212 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-19 05:21:02,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-19 05:21:02,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:02,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,279 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,288 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-19 05:21:02,289 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-19 05:21:02,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-19 05:21:02,351 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-19 05:21:02,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,358 INFO L210 LassoAnalysis]: Preferences: [2021-11-19 05:21:02,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-19 05:21:02,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-19 05:21:02,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-19 05:21:02,359 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-19 05:21:02,359 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,359 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-19 05:21:02,359 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-19 05:21:02,359 INFO L133 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2021-11-19 05:21:02,359 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-19 05:21:02,359 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-19 05:21:02,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-19 05:21:02,447 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-19 05:21:02,447 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-19 05:21:02,448 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,449 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:21:02,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:21:02,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:21:02,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:21:02,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:21:02,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:21:02,463 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:21:02,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:21:02,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-19 05:21:02,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:21:02,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,501 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,502 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,503 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-19 05:21:02,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:21:02,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:21:02,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:21:02,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:21:02,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:21:02,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:21:02,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:21:02,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:21:02,539 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-19 05:21:02,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,563 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,564 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-19 05:21:02,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-19 05:21:02,593 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-19 05:21:02,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-19 05:21:02,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-19 05:21:02,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-19 05:21:02,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-19 05:21:02,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-19 05:21:02,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-19 05:21:02,608 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-19 05:21:02,620 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-19 05:21:02,621 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-19 05:21:02,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-19 05:21:02,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 05:21:02,622 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-19 05:21:02,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-19 05:21:02,624 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-19 05:21:02,624 INFO L513 LassoAnalysis]: Proved termination. [2021-11-19 05:21:02,625 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~k~0#1) = 1*ULTIMATE.start_main_~k~0#1 Supporting invariants [] [2021-11-19 05:21:02,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-19 05:21:02,658 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:02,658 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-19 05:21:02,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 05:21:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:02,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-19 05:21:02,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 05:21:02,714 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 8 conjunts are in the unsatisfiable core [2021-11-19 05:21:02,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 05:21:02,789 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 05:21:02,789 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-11-19 05:21:02,790 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:02,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 21 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 25 transitions. Complement of second has 6 states. [2021-11-19 05:21:02,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-19 05:21:02,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2021-11-19 05:21:02,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 3 letters. [2021-11-19 05:21:02,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:02,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 8 letters. Loop has 3 letters. [2021-11-19 05:21:02,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:02,830 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 6 letters. [2021-11-19 05:21:02,830 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-19 05:21:02,830 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 25 transitions. [2021-11-19 05:21:02,831 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:21:02,831 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2021-11-19 05:21:02,832 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:21:02,832 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:21:02,832 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:21:02,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:21:02,832 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:21:02,832 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:21:02,833 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-19 05:21:02,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 05:21:02,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-11-19 05:21:02,837 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 05:21:02,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 05:21:02,839 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-11-19 05:21:02,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-19 05:21:02,840 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-11-19 05:21:02,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:21:02,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 05:21:02,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-19 05:21:02,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-19 05:21:02,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-19 05:21:02,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-19 05:21:02,841 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:21:02,842 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:21:02,842 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 05:21:02,842 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-19 05:21:02,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-19 05:21:02,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-19 05:21:02,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-19 05:21:02,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 05:21:02 BoogieIcfgContainer [2021-11-19 05:21:02,849 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-19 05:21:02,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 05:21:02,850 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 05:21:02,850 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 05:21:02,851 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:21:00" (3/4) ... [2021-11-19 05:21:02,854 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-19 05:21:02,854 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 05:21:02,855 INFO L158 Benchmark]: Toolchain (without parser) took 3536.09ms. Allocated memory is still 102.8MB. Free memory was 72.2MB in the beginning and 44.2MB in the end (delta: 28.0MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2021-11-19 05:21:02,855 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 34.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:21:02,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.94ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 79.1MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:21:02,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.04ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 05:21:02,857 INFO L158 Benchmark]: Boogie Preprocessor took 41.77ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:21:02,858 INFO L158 Benchmark]: RCFGBuilder took 355.76ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 67.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 05:21:02,858 INFO L158 Benchmark]: BuchiAutomizer took 2807.55ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 44.8MB in the end (delta: 22.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2021-11-19 05:21:02,859 INFO L158 Benchmark]: Witness Printer took 4.08ms. Allocated memory is still 102.8MB. Free memory was 44.8MB in the beginning and 44.2MB in the end (delta: 583.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 05:21:02,862 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 75.5MB. Free memory was 34.2MB in the beginning and 34.1MB in the end (delta: 43.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.94ms. Allocated memory is still 102.8MB. Free memory was 72.0MB in the beginning and 79.1MB in the end (delta: -7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.04ms. Allocated memory is still 102.8MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.77ms. Allocated memory is still 102.8MB. Free memory was 77.7MB in the beginning and 76.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 355.76ms. Allocated memory is still 102.8MB. Free memory was 76.3MB in the beginning and 67.2MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2807.55ms. Allocated memory is still 102.8MB. Free memory was 66.9MB in the beginning and 44.8MB in the end (delta: 22.1MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * Witness Printer took 4.08ms. Allocated memory is still 102.8MB. Free memory was 44.8MB in the beginning and 44.2MB in the end (delta: 583.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 4 locations. One deterministic module has affine ranking function k and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 15 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 33 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 28 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf94 smp100 dnf100 smp100 tf112 neg100 sie115 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-19 05:21:02,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-19 05:21:03,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0614f01a-10de-45e6-b995-18081eb9ff94/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE