./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:22:35,729 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:22:35,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:22:35,796 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:22:35,797 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:22:35,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:22:35,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:22:35,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:22:35,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:22:35,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:22:35,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:22:35,822 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:22:35,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:22:35,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:22:35,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:22:35,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:22:35,832 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:22:35,833 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:22:35,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:22:35,846 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:22:35,849 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:22:35,850 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:22:35,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:22:35,855 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:22:35,864 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:22:35,864 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:22:35,865 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:22:35,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:22:35,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:22:35,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:22:35,869 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:22:35,870 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:22:35,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:22:35,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:22:35,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:22:35,876 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:22:35,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:22:35,877 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:22:35,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:22:35,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:22:35,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:22:35,879 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-20 06:22:35,929 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:22:35,930 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:22:35,930 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:22:35,931 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:22:35,932 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:22:35,932 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:22:35,933 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:22:35,933 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:22:35,933 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:22:35,933 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:22:35,934 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:22:35,935 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:22:35,935 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:22:35,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:22:35,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 06:22:35,935 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:22:35,936 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:22:35,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 06:22:35,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:22:35,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:22:35,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:22:35,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:22:35,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 06:22:35,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:22:35,937 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:22:35,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:22:35,939 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:22:35,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:22:35,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:22:35,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:22:35,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:22:35,940 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:22:35,942 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:22:35,942 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_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d [2021-11-20 06:22:36,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:22:36,260 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:22:36,262 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:22:36,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:22:36,266 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:22:36,267 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2021-11-20 06:22:36,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/data/f5e501e93/acce2e2cf8bd40709b7d9c8fbac14ba0/FLAG9b6f11cdf [2021-11-20 06:22:36,796 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:22:36,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/sv-benchmarks/c/loop-lit/bhmr2007.i [2021-11-20 06:22:36,803 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/data/f5e501e93/acce2e2cf8bd40709b7d9c8fbac14ba0/FLAG9b6f11cdf [2021-11-20 06:22:37,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/data/f5e501e93/acce2e2cf8bd40709b7d9c8fbac14ba0 [2021-11-20 06:22:37,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:22:37,188 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:22:37,189 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:22:37,189 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:22:37,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:22:37,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156ccaa0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37, skipping insertion in model container [2021-11-20 06:22:37,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:22:37,234 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:22:37,406 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_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-11-20 06:22:37,419 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:22:37,427 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:22:37,443 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_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-11-20 06:22:37,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:22:37,470 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:22:37,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37 WrapperNode [2021-11-20 06:22:37,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:22:37,472 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:22:37,473 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:22:37,473 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:22:37,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,487 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,506 INFO L137 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 42 [2021-11-20 06:22:37,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:22:37,508 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:22:37,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:22:37,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:22:37,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,518 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,524 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:22:37,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:22:37,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:22:37,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:22:37,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (1/1) ... [2021-11-20 06:22:37,537 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:37,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:37,562 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:37,564 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:22:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 06:22:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 06:22:37,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:22:37,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:22:37,656 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:22:37,658 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:22:37,744 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:22:37,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:22:37,751 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:22:37,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:37 BoogieIcfgContainer [2021-11-20 06:22:37,753 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:22:37,754 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:22:37,754 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:22:37,758 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:22:37,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:22:37,759 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:22:37" (1/3) ... [2021-11-20 06:22:37,760 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7369aac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:22:37, skipping insertion in model container [2021-11-20 06:22:37,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:22:37,761 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:22:37" (2/3) ... [2021-11-20 06:22:37,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7369aac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:22:37, skipping insertion in model container [2021-11-20 06:22:37,761 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:22:37,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:37" (3/3) ... [2021-11-20 06:22:37,763 INFO L388 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2021-11-20 06:22:37,810 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:22:37,810 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:22:37,811 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:22:37,811 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:22:37,811 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:22:37,811 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:22:37,811 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:22:37,811 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:22:37,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:37,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:22:37,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:22:37,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:22:37,852 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:22:37,853 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:22:37,853 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:22:37,853 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-20 06:22:37,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-20 06:22:37,855 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:22:37,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:22:37,856 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-11-20 06:22:37,856 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-20 06:22:37,864 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;havoc main_#res#1;havoc main_#t~nondet1#1, main_#t~nondet2#1, main_~i~0#1, main_~n~0#1, main_~a~0#1, main_~b~0#1;havoc main_~i~0#1;havoc main_~n~0#1;havoc main_~a~0#1;havoc main_~b~0#1;main_~i~0#1 := 0;main_~a~0#1 := 0;main_~b~0#1 := 0;main_~n~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 5#L27true assume !!(main_~n~0#1 >= 0 && main_~n~0#1 <= 1000000); 7#L28-2true [2021-11-20 06:22:37,864 INFO L793 eck$LassoCheckResult]: Loop: 7#L28-2true assume !!(main_~i~0#1 < main_~n~0#1); 6#L29true assume 0 != main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~a~0#1 := 1 + main_~a~0#1;main_~b~0#1 := 2 + main_~b~0#1; 15#L29-2true main_~i~0#1 := 1 + main_~i~0#1; 7#L28-2true [2021-11-20 06:22:37,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:37,871 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-11-20 06:22:37,881 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:37,881 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745961925] [2021-11-20 06:22:37,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:37,883 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,033 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:22:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,063 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:22:38,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:38,066 INFO L85 PathProgramCache]: Analyzing trace with hash 45779, now seen corresponding path program 1 times [2021-11-20 06:22:38,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:38,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447957594] [2021-11-20 06:22:38,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:38,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,081 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:22:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:22:38,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:38,108 INFO L85 PathProgramCache]: Analyzing trace with hash 889575248, now seen corresponding path program 1 times [2021-11-20 06:22:38,108 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:22:38,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501661973] [2021-11-20 06:22:38,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:22:38,109 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:22:38,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,140 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:22:38,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:22:38,174 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:22:38,279 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:22:38,280 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:22:38,280 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:22:38,280 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:22:38,281 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:22:38,281 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,281 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:22:38,281 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:22:38,281 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-11-20 06:22:38,281 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:22:38,282 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:22:38,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,306 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:22:38,417 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:22:38,419 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,422 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:22:38,429 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:22:38,429 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:22:38,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-20 06:22:38,463 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,464 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:22:38,473 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:22:38,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:22:38,515 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:22:38,515 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~b~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0#1=6}, {ULTIMATE.start_main_~b~0#1=3}, {ULTIMATE.start_main_~b~0#1=-7}] Lambdas: [1, 1, 1] Nus: [0, 0] [2021-11-20 06:22:38,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:38,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:22:38,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:22:38,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:22:38,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:38,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,621 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:22:38,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:22:38,627 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:22:38,769 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-20 06:22:38,771 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:38,772 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:22:38,772 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:22:38,772 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:22:38,772 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:22:38,772 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-20 06:22:38,772 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,772 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:22:38,773 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:22:38,773 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-11-20 06:22:38,773 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:22:38,773 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:22:38,774 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,787 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,790 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:22:38,839 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:22:38,844 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-20 06:22:38,845 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,846 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:22:38,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:22:38,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:22:38,866 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:22:38,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:22:38,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:22:38,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:22:38,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:22:38,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:22:38,885 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-20 06:22:38,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:38,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,923 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:22:38,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-20 06:22:38,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-20 06:22:38,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-20 06:22:38,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-20 06:22:38,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-20 06:22:38,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-20 06:22:38,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-20 06:22:38,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-20 06:22:38,954 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-20 06:22:38,959 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-20 06:22:38,959 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-20 06:22:38,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:22:38,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:22:38,966 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:22:38,994 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-20 06:22:38,995 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-20 06:22:38,995 INFO L513 LassoAnalysis]: Proved termination. [2021-11-20 06:22:38,995 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2021-11-20 06:22:38,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:22:39,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:39,024 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-20 06:22:39,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:22:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:39,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-20 06:22:39,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:39,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 06:22:39,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-20 06:22:39,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-20 06:22:39,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 06:22:39,162 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-20 06:22:39,164 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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) [2021-11-20 06:22:39,206 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 33 states and 41 transitions. Complement of second has 7 states. [2021-11-20 06:22:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-20 06:22:39,212 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) [2021-11-20 06:22:39,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-11-20 06:22:39,214 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-11-20 06:22:39,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:22:39,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-20 06:22:39,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:22:39,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-11-20 06:22:39,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-20 06:22:39,217 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-11-20 06:22:39,220 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:22:39,222 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-11-20 06:22:39,223 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-20 06:22:39,224 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-20 06:22:39,224 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-20 06:22:39,224 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-20 06:22:39,224 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:22:39,225 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:22:39,225 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-20 06:22:39,225 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-20 06:22:39,225 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-20 06:22:39,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-20 06:22:39,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-20 06:22:39,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:22:39 BoogieIcfgContainer [2021-11-20 06:22:39,232 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:22:39,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:22:39,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:22:39,234 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:22:39,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:22:37" (3/4) ... [2021-11-20 06:22:39,237 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:22:39,237 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:22:39,238 INFO L158 Benchmark]: Toolchain (without parser) took 2050.39ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 61.5MB in the beginning and 74.3MB in the end (delta: -12.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,239 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:22:39,240 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.17ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 97.6MB in the end (delta: -36.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.79ms. Allocated memory is still 121.6MB. Free memory was 97.6MB in the beginning and 96.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,241 INFO L158 Benchmark]: Boogie Preprocessor took 19.09ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:22:39,242 INFO L158 Benchmark]: RCFGBuilder took 225.80ms. Allocated memory is still 121.6MB. Free memory was 95.1MB in the beginning and 86.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,243 INFO L158 Benchmark]: BuchiAutomizer took 1478.43ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 74.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2021-11-20 06:22:39,243 INFO L158 Benchmark]: Witness Printer took 4.25ms. Allocated memory is still 121.6MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:22:39,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 49.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.17ms. Allocated memory was 94.4MB in the beginning and 121.6MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 97.6MB in the end (delta: -36.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.79ms. Allocated memory is still 121.6MB. Free memory was 97.6MB in the beginning and 96.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.09ms. Allocated memory is still 121.6MB. Free memory was 96.3MB in the beginning and 95.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 225.80ms. Allocated memory is still 121.6MB. Free memory was 95.1MB in the beginning and 86.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1478.43ms. Allocated memory is still 121.6MB. Free memory was 86.6MB in the beginning and 74.3MB in the end (delta: 12.3MB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Witness Printer took 4.25ms. Allocated memory is still 121.6MB. Free memory is still 74.3MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + n and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 13 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-20 06:22:39,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:22:39,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd17a4f3-67b6-4a58-a64f-41d827cfa5ea/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE