./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-03.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G --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 f61bf3246d665bd47f071accad89828d276d4de1e821e7c69198dd30340c4af6 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 13:00:36,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 13:00:36,850 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 13:00:36,888 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 13:00:36,889 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 13:00:36,891 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 13:00:36,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 13:00:36,896 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 13:00:36,899 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 13:00:36,901 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 13:00:36,903 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 13:00:36,905 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 13:00:36,905 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 13:00:36,907 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 13:00:36,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 13:00:36,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 13:00:36,919 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 13:00:36,925 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 13:00:36,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 13:00:36,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 13:00:36,946 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 13:00:36,948 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 13:00:36,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 13:00:36,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 13:00:36,963 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 13:00:36,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 13:00:36,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 13:00:36,970 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 13:00:36,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 13:00:36,974 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 13:00:36,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 13:00:36,977 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 13:00:36,979 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 13:00:36,981 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 13:00:36,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 13:00:36,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 13:00:36,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 13:00:36,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 13:00:36,986 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 13:00:36,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 13:00:36,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 13:00:36,990 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 13:00:37,041 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 13:00:37,042 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 13:00:37,042 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 13:00:37,043 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 13:00:37,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 13:00:37,045 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 13:00:37,045 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 13:00:37,045 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 13:00:37,046 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 13:00:37,046 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 13:00:37,046 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 13:00:37,047 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 13:00:37,047 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 13:00:37,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 13:00:37,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 13:00:37,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 13:00:37,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 13:00:37,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 13:00:37,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 13:00:37,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 13:00:37,049 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 13:00:37,050 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 13:00:37,050 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 13:00:37,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 13:00:37,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 13:00:37,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 13:00:37,051 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 13:00:37,052 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 13:00:37,052 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 13:00:37,053 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 13:00:37,054 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_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f61bf3246d665bd47f071accad89828d276d4de1e821e7c69198dd30340c4af6 [2021-11-23 13:00:37,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 13:00:37,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 13:00:37,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 13:00:37,391 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 13:00:37,392 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 13:00:37,394 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-bwb/or-03.c [2021-11-23 13:00:37,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/data/34b77043b/b9f3cf236f27464aa3a5d192db0c9c3d/FLAG75e75b286 [2021-11-23 13:00:38,024 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 13:00:38,025 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/sv-benchmarks/c/termination-bwb/or-03.c [2021-11-23 13:00:38,032 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/data/34b77043b/b9f3cf236f27464aa3a5d192db0c9c3d/FLAG75e75b286 [2021-11-23 13:00:38,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/data/34b77043b/b9f3cf236f27464aa3a5d192db0c9c3d [2021-11-23 13:00:38,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 13:00:38,411 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 13:00:38,414 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:38,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 13:00:38,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 13:00:38,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,423 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35eca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38, skipping insertion in model container [2021-11-23 13:00:38,423 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,433 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 13:00:38,447 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 13:00:38,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:38,688 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 13:00:38,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 13:00:38,721 INFO L208 MainTranslator]: Completed translation [2021-11-23 13:00:38,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38 WrapperNode [2021-11-23 13:00:38,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 13:00:38,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:38,724 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 13:00:38,724 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 13:00:38,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,759 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2021-11-23 13:00:38,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 13:00:38,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 13:00:38,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 13:00:38,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 13:00:38,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,771 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 13:00:38,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 13:00:38,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 13:00:38,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 13:00:38,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (1/1) ... [2021-11-23 13:00:38,799 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:38,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:38,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:38,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 13:00:38,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 13:00:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 13:00:38,939 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 13:00:38,940 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 13:00:39,002 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 13:00:39,010 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 13:00:39,010 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 13:00:39,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39 BoogieIcfgContainer [2021-11-23 13:00:39,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 13:00:39,013 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 13:00:39,014 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 13:00:39,018 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 13:00:39,019 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:39,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:00:38" (1/3) ... [2021-11-23 13:00:39,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@268987a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:00:39, skipping insertion in model container [2021-11-23 13:00:39,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:39,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:00:38" (2/3) ... [2021-11-23 13:00:39,031 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@268987a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:00:39, skipping insertion in model container [2021-11-23 13:00:39,031 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 13:00:39,032 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39" (3/3) ... [2021-11-23 13:00:39,033 INFO L388 chiAutomizerObserver]: Analyzing ICFG or-03.c [2021-11-23 13:00:39,114 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 13:00:39,115 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 13:00:39,115 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 13:00:39,115 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 13:00:39,115 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 13:00:39,115 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 13:00:39,115 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 13:00:39,116 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 13:00:39,135 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:39,172 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:00:39,172 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:00:39,172 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:00:39,179 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:00:39,179 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:00:39,179 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 13:00:39,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 13:00:39,181 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 13:00:39,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 13:00:39,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 13:00:39,182 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 13:00:39,182 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 13:00:39,190 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#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_~y~0#1, main_~x~0#1;havoc main_~y~0#1;havoc main_~x~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; 3#L19-2true [2021-11-23 13:00:39,191 INFO L793 eck$LassoCheckResult]: Loop: 3#L19-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~y~0#1 := ~bitwiseOr(main_~x~0#1, 1 + main_~x~0#1);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 3#L19-2true [2021-11-23 13:00:39,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:39,199 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 13:00:39,210 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:39,212 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860527624] [2021-11-23 13:00:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:39,215 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,310 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,369 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:39,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:39,373 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-23 13:00:39,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:39,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [730185791] [2021-11-23 13:00:39,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:39,374 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,398 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:39,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,417 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:39,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:39,422 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-23 13:00:39,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 13:00:39,423 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583503760] [2021-11-23 13:00:39,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 13:00:39,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 13:00:39,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,435 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 13:00:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 13:00:39,442 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 13:00:39,551 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:00:39,551 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:00:39,552 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:00:39,552 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:00:39,552 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 13:00:39,553 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:39,553 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:00:39,553 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:00:39,553 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-03.c_Iteration1_Loop [2021-11-23 13:00:39,554 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:00:39,554 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:00:39,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:39,634 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:00:39,634 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 13:00:39,637 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:39,640 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:39,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 13:00:39,683 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 13:00:39,683 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:00:39,817 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:39,818 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:39,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:39,833 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:39,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 13:00:39,865 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 13:00:39,866 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 13:00:39,957 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-23 13:00:39,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:39,962 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 13:00:39,962 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 13:00:39,962 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 13:00:39,963 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 13:00:39,963 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-23 13:00:39,963 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:39,963 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 13:00:39,963 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 13:00:39,963 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-03.c_Iteration1_Loop [2021-11-23 13:00:39,963 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 13:00:39,963 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 13:00:39,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 13:00:40,027 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 13:00:40,032 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-23 13:00:40,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:40,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:40,035 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:40,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 13:00:40,046 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 [2021-11-23 13:00:40,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-23 13:00:40,061 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-23 13:00:40,061 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-23 13:00:40,061 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-23 13:00:40,062 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-23 13:00:40,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-23 13:00:40,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-23 13:00:40,085 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-23 13:00:40,120 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-11-23 13:00:40,120 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-23 13:00:40,122 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 13:00:40,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 13:00:40,126 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 13:00:40,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 13:00:40,130 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-23 13:00:40,131 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-23 13:00:40,131 INFO L513 LassoAnalysis]: Proved termination. [2021-11-23 13:00:40,132 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1, ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~y~0#1 + 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-11-23 13:00:40,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:40,162 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-23 13:00:40,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 13:00:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:40,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-23 13:00:40,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 13:00:40,240 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-23 13:00:40,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 13:00:40,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 13:00:40,288 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-23 13:00:40,289 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-23 13:00:40,328 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 16 states and 19 transitions. Complement of second has 5 states. [2021-11-23 13:00:40,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-23 13:00:40,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-11-23 13:00:40,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2021-11-23 13:00:40,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-23 13:00:40,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:40,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-23 13:00:40,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:40,341 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-23 13:00:40,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-23 13:00:40,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2021-11-23 13:00:40,345 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:00:40,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2021-11-23 13:00:40,350 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-23 13:00:40,350 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-23 13:00:40,351 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-23 13:00:40,351 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-23 13:00:40,351 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:40,351 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:40,352 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-23 13:00:40,352 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-23 13:00:40,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-23 13:00:40,352 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-23 13:00:40,353 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-23 13:00:40,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 01:00:40 BoogieIcfgContainer [2021-11-23 13:00:40,362 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 13:00:40,363 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 13:00:40,363 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 13:00:40,363 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 13:00:40,364 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:00:39" (3/4) ... [2021-11-23 13:00:40,367 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 13:00:40,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 13:00:40,369 INFO L158 Benchmark]: Toolchain (without parser) took 1957.23ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 60.4MB in the beginning and 84.3MB in the end (delta: -23.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,370 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,371 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 72.4MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:00:40,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.91ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 71.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,373 INFO L158 Benchmark]: Boogie Preprocessor took 22.10ms. Allocated memory is still 94.4MB. Free memory was 71.2MB in the beginning and 70.3MB in the end (delta: 818.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,374 INFO L158 Benchmark]: RCFGBuilder took 228.67ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 62.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 13:00:40,375 INFO L158 Benchmark]: BuchiAutomizer took 1348.51ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 84.9MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,375 INFO L158 Benchmark]: Witness Printer took 5.36ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 13:00:40,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 94.4MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 31.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.73ms. Allocated memory is still 94.4MB. Free memory was 60.2MB in the beginning and 72.4MB in the end (delta: -12.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.91ms. Allocated memory is still 94.4MB. Free memory was 72.4MB in the beginning and 71.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.10ms. Allocated memory is still 94.4MB. Free memory was 71.2MB in the beginning and 70.3MB in the end (delta: 818.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 228.67ms. Allocated memory is still 94.4MB. Free memory was 70.3MB in the beginning and 62.4MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1348.51ms. Allocated memory was 94.4MB in the beginning and 115.3MB in the end (delta: 21.0MB). Free memory was 62.1MB in the beginning and 84.9MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.36ms. Allocated memory is still 115.3MB. Free memory is still 84.3MB. 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 x + y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. 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, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 98ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 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! [2021-11-23 13:00:40,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 13:00:40,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_317a59af-ebe9-4bba-87f6-7c07ac89b6b7/bin/uautomizer-wIGwrQj20G/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