./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 10:58:15,887 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:58:15,890 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:58:15,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:58:15,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:58:15,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:58:15,935 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:58:15,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:58:15,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:58:15,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:58:15,949 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:58:15,952 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:58:15,952 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:58:15,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:58:15,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:58:15,963 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:58:15,965 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:58:15,966 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:58:15,968 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:58:15,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:58:15,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:58:15,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:58:15,982 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:58:15,984 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:58:15,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:58:15,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:58:15,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:58:15,997 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:58:15,998 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:58:15,999 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:58:15,999 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:58:16,006 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:58:16,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:58:16,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:58:16,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:58:16,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:58:16,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:58:16,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:58:16,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:58:16,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:58:16,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:58:16,015 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 10:58:16,064 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:58:16,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:58:16,065 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:58:16,065 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:58:16,066 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:58:16,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:58:16,067 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:58:16,067 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 10:58:16,067 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 10:58:16,067 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 10:58:16,068 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 10:58:16,068 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 10:58:16,068 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 10:58:16,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:58:16,069 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:58:16,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:58:16,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:58:16,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 10:58:16,070 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 10:58:16,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 10:58:16,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:58:16,070 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 10:58:16,070 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:58:16,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 10:58:16,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:58:16,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:58:16,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:58:16,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:58:16,073 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 10:58:16,073 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_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e9fdb63b703556c0c4f8ca9f5b469884114c0558f9f1171d980c415152e708f6 [2022-10-17 10:58:16,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:58:16,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:58:16,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:58:16,339 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:58:16,340 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:58:16,341 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-crafted/Bangalore-2.c [2022-10-17 10:58:16,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/data/d99daa368/a71787429ec24244b3fbd04f7a969042/FLAGfb719c744 [2022-10-17 10:58:16,929 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:58:16,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/sv-benchmarks/c/termination-crafted/Bangalore-2.c [2022-10-17 10:58:16,934 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/data/d99daa368/a71787429ec24244b3fbd04f7a969042/FLAGfb719c744 [2022-10-17 10:58:17,289 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/data/d99daa368/a71787429ec24244b3fbd04f7a969042 [2022-10-17 10:58:17,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:58:17,298 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:58:17,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:58:17,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:58:17,306 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:58:17,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,310 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45a432d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17, skipping insertion in model container [2022-10-17 10:58:17,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:58:17,335 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:58:17,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:58:17,543 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:58:17,554 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:58:17,565 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:58:17,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17 WrapperNode [2022-10-17 10:58:17,566 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:58:17,567 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:58:17,567 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:58:17,567 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:58:17,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,580 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,598 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-10-17 10:58:17,599 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:58:17,600 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:58:17,600 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:58:17,600 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:58:17,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,611 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,611 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:58:17,621 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:58:17,621 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:58:17,622 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:58:17,623 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (1/1) ... [2022-10-17 10:58:17,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:17,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:17,665 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:17,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 10:58:17,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:58:17,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:58:17,785 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:58:17,787 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:58:17,861 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:58:17,869 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:58:17,869 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 10:58:17,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:58:17 BoogieIcfgContainer [2022-10-17 10:58:17,872 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:58:17,873 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 10:58:17,873 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 10:58:17,878 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 10:58:17,879 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:58:17,879 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 10:58:17" (1/3) ... [2022-10-17 10:58:17,880 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23455c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:58:17, skipping insertion in model container [2022-10-17 10:58:17,881 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:58:17,881 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:58:17" (2/3) ... [2022-10-17 10:58:17,881 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23455c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 10:58:17, skipping insertion in model container [2022-10-17 10:58:17,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 10:58:17,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:58:17" (3/3) ... [2022-10-17 10:58:17,883 INFO L332 chiAutomizerObserver]: Analyzing ICFG Bangalore-2.c [2022-10-17 10:58:17,945 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 10:58:17,946 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 10:58:17,946 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 10:58:17,946 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 10:58:17,947 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 10:58:17,947 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 10:58:17,947 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 10:58:17,947 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 10:58:17,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:58:17,970 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:58:17,971 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:58:17,971 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:58:17,977 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:58:17,977 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:58:17,978 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 10:58:17,978 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 10:58:17,979 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 10:58:17,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 10:58:17,980 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 10:58:17,980 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-10-17 10:58:17,981 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 10:58:17,989 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 4#L18true assume main_~y~0#1 >= 1; 2#L19-2true [2022-10-17 10:58:17,989 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 2#L19-2true [2022-10-17 10:58:17,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:58:17,996 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-10-17 10:58:18,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:58:18,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603863664] [2022-10-17 10:58:18,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:58:18,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:58:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,096 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:58:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,118 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:58:18,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:58:18,122 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2022-10-17 10:58:18,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:58:18,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492979189] [2022-10-17 10:58:18,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:58:18,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:58:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:58:18,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,139 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:58:18,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:58:18,142 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-10-17 10:58:18,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:58:18,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39633711] [2022-10-17 10:58:18,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:58:18,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:58:18,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,155 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:58:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:58:18,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:58:18,259 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:58:18,260 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:58:18,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:58:18,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:58:18,261 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 10:58:18,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:58:18,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:58:18,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2022-10-17 10:58:18,263 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:58:18,263 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:58:18,306 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,339 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,364 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,368 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,386 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,476 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:58:18,477 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 10:58:18,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:18,482 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:18,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:58:18,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:58:18,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 10:58:18,542 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 10:58:18,542 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 10:58:18,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:18,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:18,576 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:18,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 10:58:18,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 10:58:18,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:58:18,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-10-17 10:58:18,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:18,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:18,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 10:58:18,637 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 10:58:18,637 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 10:58:18,755 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-10-17 10:58:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:18,758 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 10:58:18,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 10:58:18,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 10:58:18,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 10:58:18,759 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-10-17 10:58:18,759 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,759 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 10:58:18,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 10:58:18,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore-2.c_Iteration1_Lasso [2022-10-17 10:58:18,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 10:58:18,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 10:58:18,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,774 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,777 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,783 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,791 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,794 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 10:58:18,886 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 10:58:18,890 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-10-17 10:58:18,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:18,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:18,919 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:18,940 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 [2022-10-17 10:58:18,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 10:58:18,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:18,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:18,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:18,951 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:18,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:58:18,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:58:19,000 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:58:19,042 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:19,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,044 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,049 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 [2022-10-17 10:58:19,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:19,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:58:19,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:19,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:19,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:19,062 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:58:19,062 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:58:19,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 10:58:19,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:58:19,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:19,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,124 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 10:58:19,129 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 [2022-10-17 10:58:19,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:19,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:58:19,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:19,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:19,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:19,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:58:19,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:58:19,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:58:19,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-10-17 10:58:19,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,179 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-10-17 10:58:19,182 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 [2022-10-17 10:58:19,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:19,190 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:19,190 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:19,190 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:19,195 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:58:19,195 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:58:19,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:58:19,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:19,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,265 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-10-17 10:58:19,267 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 [2022-10-17 10:58:19,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:19,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-10-17 10:58:19,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:19,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:19,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:19,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-10-17 10:58:19,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-10-17 10:58:19,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-10-17 10:58:19,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:19,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,328 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-10-17 10:58:19,334 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 [2022-10-17 10:58:19,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-10-17 10:58:19,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-10-17 10:58:19,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-10-17 10:58:19,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-10-17 10:58:19,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-10-17 10:58:19,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-10-17 10:58:19,382 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-10-17 10:58:19,406 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-10-17 10:58:19,406 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-10-17 10:58:19,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 10:58:19,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:58:19,413 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 10:58:19,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-10-17 10:58:19,435 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-10-17 10:58:19,455 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-10-17 10:58:19,456 INFO L513 LassoAnalysis]: Proved termination. [2022-10-17 10:58:19,456 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 2*ULTIMATE.start_main_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_main_~y~0#1 - 1 >= 0] [2022-10-17 10:58:19,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:19,501 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-10-17 10:58:19,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:58:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:58:19,566 WARN L261 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 10:58:19,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:58:19,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:58:19,588 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 10:58:19,588 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 10:58:19,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:58:19,627 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-10-17 10:58:19,630 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-10-17 10:58:19,707 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 5 states. [2022-10-17 10:58:19,710 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 [2022-10-17 10:58:19,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-10-17 10:58:19,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2022-10-17 10:58:19,717 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 1 letters. [2022-10-17 10:58:19,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:58:19,718 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 4 letters. Loop has 1 letters. [2022-10-17 10:58:19,718 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:58:19,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 3 letters. Loop has 2 letters. [2022-10-17 10:58:19,719 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-10-17 10:58:19,720 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2022-10-17 10:58:19,723 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:58:19,725 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2022-10-17 10:58:19,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-10-17 10:58:19,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-10-17 10:58:19,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-10-17 10:58:19,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:58:19,732 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:58:19,732 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:58:19,732 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-10-17 10:58:19,732 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-10-17 10:58:19,733 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-10-17 10:58:19,733 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-10-17 10:58:19,733 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-10-17 10:58:19,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 17.10 10:58:19 BoogieIcfgContainer [2022-10-17 10:58:19,740 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-10-17 10:58:19,741 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:58:19,741 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:58:19,741 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:58:19,742 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:58:17" (3/4) ... [2022-10-17 10:58:19,745 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:58:19,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:58:19,747 INFO L158 Benchmark]: Toolchain (without parser) took 2448.28ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 71.2MB in the beginning and 73.8MB in the end (delta: -2.7MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-10-17 10:58:19,747 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:58:19,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.94ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 70.7MB in the end (delta: 209.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:58:19,749 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.37ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:58:19,749 INFO L158 Benchmark]: Boogie Preprocessor took 20.47ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 944.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:58:19,750 INFO L158 Benchmark]: RCFGBuilder took 250.78ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 60.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:58:19,751 INFO L158 Benchmark]: BuchiAutomizer took 1867.33ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 60.2MB in the beginning and 74.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2022-10-17 10:58:19,751 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.8MB in the end (delta: 531.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:58:19,754 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 94.4MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.94ms. Allocated memory is still 94.4MB. Free memory was 71.0MB in the beginning and 70.7MB in the end (delta: 209.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.37ms. Allocated memory is still 94.4MB. Free memory was 70.7MB in the beginning and 69.5MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.47ms. Allocated memory is still 94.4MB. Free memory was 69.2MB in the beginning and 68.3MB in the end (delta: 944.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 250.78ms. Allocated memory is still 94.4MB. Free memory was 68.3MB in the beginning and 60.4MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1867.33ms. Allocated memory was 94.4MB in the beginning and 117.4MB in the end (delta: 23.1MB). Free memory was 60.2MB in the beginning and 74.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 73.8MB in the end (delta: 531.4kB). 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 2 * x + 1 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 10 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax208 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf94 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 108ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-10-17 10:58:19,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-10-17 10:58:20,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d6b16d9b-dfb5-4773-aa9a-60f1b5a134a5/bin/uautomizer-J5u9QxTXDZ/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