./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/a.07.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/a.07.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc --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 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-02 20:26:20,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:26:20,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:26:20,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:26:20,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:26:20,904 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:26:20,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:26:20,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:26:20,913 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:26:20,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:26:20,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:26:20,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:26:20,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:26:20,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:26:20,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:26:20,930 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:26:20,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:26:20,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:26:20,936 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:26:20,940 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:26:20,944 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:26:20,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:26:20,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:26:20,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:26:20,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:26:20,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:26:20,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:26:20,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:26:20,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:26:20,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:26:20,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:26:20,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:26:20,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:26:20,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:26:20,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:26:20,975 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:26:20,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:26:20,976 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:26:20,976 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:26:20,977 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:26:20,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:26:20,981 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:26:21,010 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:26:21,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:26:21,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:26:21,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:26:21,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:26:21,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:26:21,023 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:26:21,024 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:26:21,024 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:26:21,024 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:26:21,025 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:26:21,025 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:26:21,026 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:26:21,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:26:21,026 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:26:21,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:26:21,027 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:26:21,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:26:21,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:26:21,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:26:21,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:26:21,028 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:26:21,028 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:26:21,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:26:21,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:26:21,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:26:21,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:26:21,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:26:21,030 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:26:21,030 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_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 662326001f61b68297375e4138420a74e8c43c9b4c5124522e447d091a284d35 [2022-11-02 20:26:21,386 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:26:21,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:26:21,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:26:21,418 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:26:21,419 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:26:21,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-restricted-15/a.07.c [2022-11-02 20:26:21,506 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/data/43bd1d589/758a7ae1e7e44f9f9c3ffc6970f13de9/FLAGdb02bad78 [2022-11-02 20:26:22,009 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:26:22,010 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/sv-benchmarks/c/termination-restricted-15/a.07.c [2022-11-02 20:26:22,016 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/data/43bd1d589/758a7ae1e7e44f9f9c3ffc6970f13de9/FLAGdb02bad78 [2022-11-02 20:26:22,379 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/data/43bd1d589/758a7ae1e7e44f9f9c3ffc6970f13de9 [2022-11-02 20:26:22,382 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:26:22,384 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:26:22,386 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:22,386 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:26:22,396 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:26:22,397 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a02a73d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22, skipping insertion in model container [2022-11-02 20:26:22,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,409 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:26:22,423 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:26:22,616 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:22,637 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:26:22,669 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:26:22,681 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:26:22,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22 WrapperNode [2022-11-02 20:26:22,682 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:26:22,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:22,685 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:26:22,685 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:26:22,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,699 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,715 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-02 20:26:22,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:26:22,717 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:26:22,717 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:26:22,717 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:26:22,726 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,726 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,726 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,733 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,734 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,735 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:26:22,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:26:22,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:26:22,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:26:22,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (1/1) ... [2022-11-02 20:26:22,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:22,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:22,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:22,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:26:22,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:26:22,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:26:22,906 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:26:22,908 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:26:22,997 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:26:23,006 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:26:23,007 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:26:23,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:23 BoogieIcfgContainer [2022-11-02 20:26:23,010 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:26:23,012 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:26:23,012 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:26:23,018 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:26:23,018 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:26:23,019 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:26:22" (1/3) ... [2022-11-02 20:26:23,020 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4be28644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:26:23, skipping insertion in model container [2022-11-02 20:26:23,020 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:26:23,021 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:26:22" (2/3) ... [2022-11-02 20:26:23,021 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4be28644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:26:23, skipping insertion in model container [2022-11-02 20:26:23,021 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:26:23,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:23" (3/3) ... [2022-11-02 20:26:23,030 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.07.c [2022-11-02 20:26:23,110 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:26:23,110 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:26:23,110 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:26:23,110 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:26:23,111 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:26:23,111 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:26:23,111 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:26:23,111 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:26:23,116 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) [2022-11-02 20:26:23,146 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:26:23,146 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:26:23,147 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:26:23,152 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:26:23,153 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:26:23,154 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:26:23,155 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) [2022-11-02 20:26:23,156 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:26:23,156 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:26:23,156 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:26:23,157 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:26:23,157 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:26:23,166 INFO L748 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_#t~nondet2#1, main_~c~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~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;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;main_~c~0#1 := 0; 2#L12-2true [2022-11-02 20:26:23,167 INFO L750 eck$LassoCheckResult]: Loop: 2#L12-2true assume !!(main_~x~0#1 > main_~y~0#1 && main_~x~0#1 > main_~z~0#1);main_~y~0#1 := 1 + main_~y~0#1;main_~z~0#1 := 1 + main_~z~0#1; 2#L12-2true [2022-11-02 20:26:23,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:23,173 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:26:23,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:23,194 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021484390] [2022-11-02 20:26:23,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:23,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:23,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:26:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:26:23,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:23,309 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:26:23,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:23,310 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698575862] [2022-11-02 20:26:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:23,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:26:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,328 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:26:23,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:23,330 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:26:23,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:26:23,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999549337] [2022-11-02 20:26:23,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:26:23,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:26:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,339 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:26:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:26:23,345 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:26:23,435 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:26:23,436 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:26:23,436 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:26:23,436 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:26:23,436 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:26:23,437 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:23,437 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:26:23,437 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:26:23,437 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2022-11-02 20:26:23,438 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:26:23,438 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:26:23,455 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:23,467 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:23,472 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:23,574 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:26:23,574 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:26:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:23,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:23,592 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:23,596 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:26:23,596 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:26:23,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:26:23,639 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:26:23,639 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:26:23,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:23,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:23,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:23,674 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:23,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:26:23,684 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:26:23,684 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:26:23,705 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:26:23,706 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:26:23,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:23,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:23,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:23,742 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:23,752 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:26:23,752 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:26:23,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:26:23,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:23,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:23,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:23,846 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:23,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:26:23,848 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:26:23,848 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:26:24,078 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-02 20:26:24,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:24,087 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:26:24,087 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:26:24,087 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:26:24,087 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:26:24,087 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-02 20:26:24,087 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:24,087 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:26:24,088 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:26:24,088 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.07.c_Iteration1_Loop [2022-11-02 20:26:24,088 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:26:24,088 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:26:24,091 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:24,099 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:24,106 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-02 20:26:24,216 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:26:24,248 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-02 20:26:24,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:24,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:24,251 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:24,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:26:24,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:26:24,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:26:24,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:26:24,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:26:24,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:26:24,274 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:26:24,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:26:24,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:26:24,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:24,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:24,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:24,319 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:24,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:26:24,323 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:26:24,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:26:24,334 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:26:24,334 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:26:24,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:26:24,343 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-02 20:26:24,343 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-02 20:26:24,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-02 20:26:24,390 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-02 20:26:24,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:24,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:24,392 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:24,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:26:24,395 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-02 20:26:24,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-02 20:26:24,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-02 20:26:24,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-02 20:26:24,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-02 20:26:24,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-02 20:26:24,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-02 20:26:24,410 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-02 20:26:24,435 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-02 20:26:24,441 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-02 20:26:24,441 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-02 20:26:24,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:26:24,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:26:24,445 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:26:24,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:26:24,447 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-02 20:26:24,447 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-02 20:26:24,447 INFO L513 LassoAnalysis]: Proved termination. [2022-11-02 20:26:24,448 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1, ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2022-11-02 20:26:24,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 20:26:24,473 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-02 20:26:24,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:26:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:24,551 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-02 20:26:24,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:26:24,577 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-02 20:26:24,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-02 20:26:24,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:26:24,611 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-02 20:26:24,613 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) [2022-11-02 20:26:24,646 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. [2022-11-02 20:26:24,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-02 20:26:24,652 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) [2022-11-02 20:26:24,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-11-02 20:26:24,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-11-02 20:26:24,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:26:24,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-11-02 20:26:24,655 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:26:24,655 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-02 20:26:24,656 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-02 20:26:24,656 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-11-02 20:26:24,658 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:26:24,661 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-11-02 20:26:24,662 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-02 20:26:24,662 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-02 20:26:24,663 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-02 20:26:24,663 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-02 20:26:24,663 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:26:24,663 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:26:24,663 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:26:24,663 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-02 20:26:24,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:26:24,664 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-02 20:26:24,664 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-02 20:26:24,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:26:24 BoogieIcfgContainer [2022-11-02 20:26:24,671 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:26:24,671 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:26:24,671 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:26:24,672 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:26:24,672 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:26:23" (3/4) ... [2022-11-02 20:26:24,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:26:24,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:26:24,676 INFO L158 Benchmark]: Toolchain (without parser) took 2292.41ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 53.8MB in the end (delta: 376.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:26:24,677 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:26:24,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.89ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 70.3MB in the end (delta: -16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:26:24,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.63ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 69.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:26:24,678 INFO L158 Benchmark]: Boogie Preprocessor took 19.82ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 854.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:26:24,679 INFO L158 Benchmark]: RCFGBuilder took 272.48ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 59.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:26:24,680 INFO L158 Benchmark]: BuchiAutomizer took 1658.97ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 54.2MB in the end (delta: 5.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2022-11-02 20:26:24,680 INFO L158 Benchmark]: Witness Printer took 4.13ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 53.8MB in the end (delta: 453.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:26:24,683 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 92.3MB. Free memory is still 70.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.89ms. Allocated memory is still 92.3MB. Free memory was 54.0MB in the beginning and 70.3MB in the end (delta: -16.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.63ms. Allocated memory is still 92.3MB. Free memory was 70.3MB in the beginning and 69.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.82ms. Allocated memory is still 92.3MB. Free memory was 68.8MB in the beginning and 67.9MB in the end (delta: 854.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.48ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 59.8MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1658.97ms. Allocated memory is still 92.3MB. Free memory was 59.8MB in the beginning and 54.2MB in the end (delta: 5.6MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * Witness Printer took 4.13ms. Allocated memory is still 92.3MB. Free memory was 54.2MB in the beginning and 53.8MB in the end (delta: 453.3kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * y + x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 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: inital18 mio100 ax166 hnf100 lsp60 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp100 dnf100 smp100 tf107 neg100 sie113 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-02 20:26:24,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:26:24,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4bb50e3f-0912-4089-b6d4-fec722607a06/bin/uautomizer-Dbtcem3rbc/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