./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-06.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1f309c7e322922378503ad247c23f2469c08e16739a904fa2ee4517863478e2c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 06:24:49,915 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 06:24:49,917 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 06:24:49,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 06:24:49,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 06:24:49,950 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 06:24:49,952 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 06:24:49,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 06:24:49,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 06:24:49,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 06:24:49,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 06:24:49,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 06:24:49,962 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 06:24:49,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 06:24:49,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 06:24:49,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 06:24:49,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 06:24:49,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 06:24:49,972 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 06:24:49,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 06:24:49,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 06:24:49,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 06:24:49,979 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 06:24:49,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 06:24:49,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 06:24:49,985 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 06:24:49,985 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 06:24:49,986 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 06:24:49,987 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 06:24:49,988 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 06:24:49,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 06:24:49,989 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 06:24:49,990 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 06:24:49,991 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 06:24:49,992 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 06:24:49,993 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 06:24:49,993 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 06:24:49,994 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 06:24:49,994 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 06:24:49,995 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 06:24:49,996 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 06:24:49,996 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-20 06:24:50,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 06:24:50,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 06:24:50,024 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 06:24:50,024 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 06:24:50,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 06:24:50,025 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 06:24:50,026 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 06:24:50,026 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-20 06:24:50,026 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-20 06:24:50,026 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-20 06:24:50,026 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-20 06:24:50,027 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-20 06:24:50,027 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-20 06:24:50,027 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 06:24:50,027 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 06:24:50,027 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 06:24:50,028 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 06:24:50,028 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-20 06:24:50,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-20 06:24:50,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-20 06:24:50,028 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 06:24:50,029 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-20 06:24:50,029 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 06:24:50,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-20 06:24:50,029 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 06:24:50,029 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 06:24:50,030 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 06:24:50,030 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 06:24:50,030 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-20 06:24:50,031 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-20 06:24:50,031 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_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1f309c7e322922378503ad247c23f2469c08e16739a904fa2ee4517863478e2c [2021-11-20 06:24:50,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 06:24:50,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 06:24:50,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 06:24:50,301 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 06:24:50,302 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 06:24:50,303 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/../../sv-benchmarks/c/termination-bwb/and-06.c [2021-11-20 06:24:50,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/data/e9c2f88d9/25da3c71370a4cbd8cdfe65d5a060e72/FLAG1c9df2d31 [2021-11-20 06:24:50,906 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 06:24:50,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/sv-benchmarks/c/termination-bwb/and-06.c [2021-11-20 06:24:50,918 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/data/e9c2f88d9/25da3c71370a4cbd8cdfe65d5a060e72/FLAG1c9df2d31 [2021-11-20 06:24:51,287 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/data/e9c2f88d9/25da3c71370a4cbd8cdfe65d5a060e72 [2021-11-20 06:24:51,290 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 06:24:51,295 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 06:24:51,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 06:24:51,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 06:24:51,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 06:24:51,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,305 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262d08a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51, skipping insertion in model container [2021-11-20 06:24:51,306 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 06:24:51,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 06:24:51,535 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:24:51,541 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 06:24:51,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 06:24:51,589 INFO L208 MainTranslator]: Completed translation [2021-11-20 06:24:51,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51 WrapperNode [2021-11-20 06:24:51,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 06:24:51,591 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 06:24:51,591 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 06:24:51,591 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 06:24:51,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,622 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2021-11-20 06:24:51,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 06:24:51,623 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 06:24:51,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 06:24:51,623 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 06:24:51,632 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,633 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,636 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,642 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 06:24:51,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 06:24:51,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 06:24:51,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 06:24:51,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (1/1) ... [2021-11-20 06:24:51,656 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:51,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:51,680 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:51,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-20 06:24:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 06:24:51,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 06:24:51,787 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 06:24:51,789 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 06:24:51,896 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 06:24:51,904 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 06:24:51,905 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-20 06:24:51,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:51 BoogieIcfgContainer [2021-11-20 06:24:51,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 06:24:51,911 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-20 06:24:51,911 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-20 06:24:51,915 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-20 06:24:51,916 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:51,916 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 06:24:51" (1/3) ... [2021-11-20 06:24:51,917 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@601b10db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:51, skipping insertion in model container [2021-11-20 06:24:51,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:51,918 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 06:24:51" (2/3) ... [2021-11-20 06:24:51,918 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@601b10db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 06:24:51, skipping insertion in model container [2021-11-20 06:24:51,918 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-20 06:24:51,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:51" (3/3) ... [2021-11-20 06:24:51,920 INFO L388 chiAutomizerObserver]: Analyzing ICFG and-06.c [2021-11-20 06:24:51,973 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-20 06:24:51,974 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-20 06:24:51,974 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-20 06:24:51,974 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-20 06:24:51,974 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-20 06:24:51,975 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-20 06:24:51,975 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-20 06:24:51,975 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-20 06:24:51,990 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) [2021-11-20 06:24:52,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:24:52,013 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:52,013 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:52,020 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:24:52,020 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:52,020 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-20 06:24:52,021 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) [2021-11-20 06:24:52,022 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-20 06:24:52,023 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-20 06:24:52,023 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-20 06:24:52,023 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-20 06:24:52,023 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-20 06:24:52,031 INFO L791 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_#t~post2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L18-2true [2021-11-20 06:24:52,031 INFO L793 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1; 4#L18true assume !(main_~a~0#1 > 0);main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1); 6#L18-2true [2021-11-20 06:24:52,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:52,039 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-20 06:24:52,048 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:52,049 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406561325] [2021-11-20 06:24:52,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:52,051 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:52,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,126 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,154 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:52,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:52,159 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-11-20 06:24:52,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:52,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051068290] [2021-11-20 06:24:52,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:52,161 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,196 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:52,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 06:24:52,199 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-11-20 06:24:52,199 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 06:24:52,200 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999173804] [2021-11-20 06:24:52,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 06:24:52,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 06:24:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,219 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 06:24:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 06:24:52,227 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 06:24:52,313 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:52,326 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:52,327 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:52,327 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:52,327 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:24:52,327 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,327 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:52,327 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:52,327 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Loop [2021-11-20 06:24:52,328 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:52,328 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:52,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,496 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:52,497 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:24:52,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:52,517 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:52,527 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:52,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:52,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-20 06:24:52,562 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:52,562 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:52,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:52,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:52,601 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:52,610 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:52,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:52,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-20 06:24:52,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:52,679 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:52,680 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:52,686 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:24:52,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:52,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-20 06:24:52,749 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:52,749 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=-1} Honda state: {ULTIMATE.start_main_~a~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 6, 3] Nus: [1, 1] [2021-11-20 06:24:52,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:52,785 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:52,787 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:52,792 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:52,793 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:52,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-20 06:24:52,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:52,811 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:52,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:52,856 INFO L210 LassoAnalysis]: Preferences: [2021-11-20 06:24:52,856 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-20 06:24:52,856 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-20 06:24:52,856 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-20 06:24:52,856 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-20 06:24:52,856 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,856 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-20 06:24:52,857 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-20 06:24:52,857 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-06.c_Iteration1_Lasso [2021-11-20 06:24:52,857 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-20 06:24:52,857 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-20 06:24:52,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-20 06:24:52,938 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-20 06:24:52,938 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-20 06:24:52,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:52,939 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:52,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:52,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:52,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-20 06:24:52,969 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:52,970 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:53,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,008 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-20 06:24:53,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:53,011 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,032 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:53,032 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:53,058 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,058 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,059 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-20 06:24:53,062 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:53,062 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,070 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:53,070 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:53,093 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,093 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,103 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,105 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:53,105 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-20 06:24:53,121 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:53,122 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1} Honda state: {ULTIMATE.start_main_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:53,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,147 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-20 06:24:53,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:53,149 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:53,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2#1=0} Honda state: {ULTIMATE.start_main_#t~post2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-20 06:24:53,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,180 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,181 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,181 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-20 06:24:53,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-20 06:24:53,187 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-20 06:24:53,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 [2021-11-20 06:24:53,219 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-20 06:24:53,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-20 06:24:53,221 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-20 06:24:53,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-20 06:24:53,277 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-20 06:24:53,277 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=-1} Honda state: {ULTIMATE.start_main_~a~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-1}, {ULTIMATE.start_main_~a~0#1=0}, {ULTIMATE.start_main_~a~0#1=0}] Lambdas: [1, 6, 3] Nus: [1, 1] [2021-11-20 06:24:53,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-20 06:24:53,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 06:24:53 BoogieIcfgContainer [2021-11-20 06:24:53,302 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-20 06:24:53,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 06:24:53,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 06:24:53,303 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 06:24:53,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 06:24:51" (3/4) ... [2021-11-20 06:24:53,306 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 06:24:53,306 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 06:24:53,308 INFO L158 Benchmark]: Toolchain (without parser) took 2011.94ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.1MB in the beginning and 69.0MB in the end (delta: -16.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:53,308 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:53,309 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.94ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 84.5MB in the end (delta: -32.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-20 06:24:53,310 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.25ms. Allocated memory is still 107.0MB. Free memory was 84.5MB in the beginning and 83.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:53,311 INFO L158 Benchmark]: Boogie Preprocessor took 19.01ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 880.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 06:24:53,311 INFO L158 Benchmark]: RCFGBuilder took 264.86ms. Allocated memory is still 107.0MB. Free memory was 82.1MB in the beginning and 74.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-20 06:24:53,312 INFO L158 Benchmark]: BuchiAutomizer took 1391.43ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 69.4MB in the end (delta: 4.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-11-20 06:24:53,312 INFO L158 Benchmark]: Witness Printer took 3.86ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 69.0MB in the end (delta: 425.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 06:24:53,316 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 68.2MB in the beginning and 68.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.94ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 84.5MB in the end (delta: -32.6MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.25ms. Allocated memory is still 107.0MB. Free memory was 84.5MB in the beginning and 83.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.01ms. Allocated memory is still 107.0MB. Free memory was 83.3MB in the beginning and 82.4MB in the end (delta: 880.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 264.86ms. Allocated memory is still 107.0MB. Free memory was 82.1MB in the beginning and 74.3MB in the end (delta: 7.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1391.43ms. Allocated memory is still 107.0MB. Free memory was 74.3MB in the beginning and 69.4MB in the end (delta: 4.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.86ms. Allocated memory is still 107.0MB. Free memory was 69.4MB in the beginning and 69.0MB in the end (delta: 425.7kB). 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 Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: x&(x-1) [21] (Reason bitwiseAnd) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "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_#t~post2#1, main_~a~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~a~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;" Loop: "assume !!(main_~x~0#1 > 0);main_#t~post2#1 := main_~a~0#1;main_~a~0#1 := main_#t~post2#1 - 1;havoc main_#t~post2#1;" "assume !(main_~a~0#1 > 0);main_~x~0#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-20 06:24:53,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7dcdbeb-b85b-4302-90c3-d0e63b793876/bin/uautomizer-DQz5hQGWxF/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN