./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1cd49bf6f2ad832cf517e890ef5bda4d78f771aa8d81a736b8a61e93b5e884dd --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:14:45,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:14:45,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:14:45,771 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:14:45,773 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:14:45,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:14:45,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:14:45,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:14:45,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:14:45,799 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:14:45,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:14:45,803 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:14:45,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:14:45,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:14:45,810 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:14:45,821 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:14:45,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:14:45,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:14:45,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:14:45,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:14:45,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:14:45,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:14:45,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:14:45,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:14:45,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:14:45,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:14:45,864 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:14:45,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:14:45,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:14:45,869 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:14:45,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:14:45,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:14:45,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:14:45,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:14:45,875 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:14:45,875 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:14:45,876 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:14:45,876 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:14:45,877 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:14:45,878 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:14:45,879 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:14:45,880 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:14:45,915 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:14:45,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:14:45,915 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:14:45,916 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:14:45,923 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:14:45,924 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:14:45,924 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:14:45,924 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:14:45,924 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:14:45,925 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:14:45,925 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:14:45,925 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:14:45,925 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:14:45,926 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:14:45,926 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:14:45,926 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:14:45,926 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:14:45,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:14:45,927 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:14:45,927 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:14:45,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:14:45,927 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:14:45,928 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:14:45,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:14:45,928 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:14:45,928 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:14:45,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:14:45,929 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:14:45,929 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:14:45,930 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:14:45,931 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_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cd49bf6f2ad832cf517e890ef5bda4d78f771aa8d81a736b8a61e93b5e884dd [2021-11-23 14:14:46,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:14:46,254 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:14:46,258 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:14:46,261 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:14:46,262 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:14:46,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2021-11-23 14:14:46,350 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/data/e4bb1db88/92d8bb7081144635adb7d9712728192d/FLAG9a3911488 [2021-11-23 14:14:46,930 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:14:46,930 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/sv-benchmarks/c/termination-bwb/counting-bits-BK1.i [2021-11-23 14:14:46,937 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/data/e4bb1db88/92d8bb7081144635adb7d9712728192d/FLAG9a3911488 [2021-11-23 14:14:47,275 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/data/e4bb1db88/92d8bb7081144635adb7d9712728192d [2021-11-23 14:14:47,278 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:14:47,280 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:14:47,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:14:47,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:14:47,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:14:47,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319fe8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47, skipping insertion in model container [2021-11-23 14:14:47,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:14:47,313 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:14:47,537 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:14:47,544 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:14:47,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:14:47,590 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:14:47,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47 WrapperNode [2021-11-23 14:14:47,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:14:47,593 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:14:47,593 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:14:47,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:14:47,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,636 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2021-11-23 14:14:47,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:14:47,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:14:47,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:14:47,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:14:47,658 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,672 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:14:47,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:14:47,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:14:47,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:14:47,678 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (1/1) ... [2021-11-23 14:14:47,688 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:47,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:47,723 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:47,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:14:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:14:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:14:47,857 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:14:47,860 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:14:47,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:14:47,957 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:14:47,957 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 14:14:47,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:47 BoogieIcfgContainer [2021-11-23 14:14:47,960 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:14:47,961 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:14:47,961 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:14:47,969 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:14:47,970 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:14:47,970 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:14:47" (1/3) ... [2021-11-23 14:14:47,973 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff07a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:14:47, skipping insertion in model container [2021-11-23 14:14:47,974 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:14:47,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:14:47" (2/3) ... [2021-11-23 14:14:47,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7ff07a4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:14:47, skipping insertion in model container [2021-11-23 14:14:47,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:14:47,975 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:47" (3/3) ... [2021-11-23 14:14:47,976 INFO L388 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK1.i [2021-11-23 14:14:48,040 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:14:48,040 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:14:48,040 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:14:48,040 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:14:48,041 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:14:48,041 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:14:48,041 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:14:48,041 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:14:48,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,081 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:14:48,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:14:48,081 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:14:48,088 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:14:48,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:14:48,089 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:14:48,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-23 14:14:48,090 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:14:48,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:14:48,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:14:48,091 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:14:48,091 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:14:48,100 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0; 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~post2#1;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0; 5#L13-2true [2021-11-23 14:14:48,100 INFO L793 eck$LassoCheckResult]: Loop: 5#L13-2true assume !!(~v~0 > 0);~v~0 := ~bitwiseAnd(~v~0, ~v~0 - 1);main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 5#L13-2true [2021-11-23 14:14:48,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:48,114 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 14:14:48,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:48,127 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271094179] [2021-11-23 14:14:48,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:48,129 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:48,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,214 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:14:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,240 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:14:48,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:48,244 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-23 14:14:48,244 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:48,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655154633] [2021-11-23 14:14:48,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:48,246 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:48,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,258 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:14:48,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,265 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:14:48,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:14:48,267 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-23 14:14:48,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:14:48,268 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322881642] [2021-11-23 14:14:48,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:14:48,269 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:14:48,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,278 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:14:48,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:14:48,289 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:14:48,355 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:14:48,355 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:14:48,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:14:48,356 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:14:48,356 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:14:48,357 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,357 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:14:48,357 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:14:48,357 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Loop [2021-11-23 14:14:48,358 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:14:48,358 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:14:48,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,394 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,442 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:14:48,443 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:14:48,446 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:48,450 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:48,458 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:48,458 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:48,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:14:48,495 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:48,495 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: [] [2021-11-23 14:14:48,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:48,538 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:48,557 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:48,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:48,577 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:48,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:14:48,636 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:48,636 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=1} Honda state: {~v~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:14:48,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:48,671 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:48,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:48,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:14:48,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:48,681 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:48,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:48,733 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:48,736 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:48,754 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:14:48,755 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:48,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:14:48,811 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:48,812 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=3}, {~c~0=3}, {~c~0=-5}] Lambdas: [0, 1, 1] Nus: [1, 0] [2021-11-23 14:14:48,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:48,923 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:14:48,923 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:14:48,923 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:14:48,923 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:14:48,923 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:14:48,924 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:48,924 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:14:48,924 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:14:48,924 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK1.i_Iteration1_Lasso [2021-11-23 14:14:48,924 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:14:48,924 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:14:48,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:48,956 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-23 14:14:49,030 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:14:49,030 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:14:49,030 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,032 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,042 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,042 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:14:49,073 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,073 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:14:49,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,115 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,124 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,124 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-23 14:14:49,138 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,138 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: [] [2021-11-23 14:14:49,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,175 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-23 14:14:49,177 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,177 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,213 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-23 14:14:49,215 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:14:49,215 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,256 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,256 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~c~0=0} Honda state: {~c~0=0} Generalized eigenvectors: [{~c~0=3}, {~c~0=3}, {~c~0=-5}] Lambdas: [0, 1, 1] Nus: [1, 0] [2021-11-23 14:14:49,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,281 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,282 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-23 14:14:49,285 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,295 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,295 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: [] [2021-11-23 14:14:49,319 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,319 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,320 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-23 14:14:49,323 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,323 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,333 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,333 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: [] [2021-11-23 14:14:49,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,361 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,363 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-23 14:14:49,364 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,364 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,375 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~z~0=0} Honda state: {~z~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:14:49,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-11-23 14:14:49,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,401 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-23 14:14:49,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,419 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,419 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=1} Honda state: {~v~0=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:14:49,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:14:49,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:14:49,445 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:14:49,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-23 14:14:49,450 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:14:49,450 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:14:49,485 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:14:49,485 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: [] [2021-11-23 14:14:49,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-23 14:14:49,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:14:49 BoogieIcfgContainer [2021-11-23 14:14:49,519 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:14:49,520 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:14:49,520 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:14:49,520 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:14:49,520 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:14:47" (3/4) ... [2021-11-23 14:14:49,523 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:14:49,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:14:49,524 INFO L158 Benchmark]: Toolchain (without parser) took 2243.88ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 77.7MB in the end (delta: 47.3MB). Peak memory consumption was 45.4MB. Max. memory is 16.1GB. [2021-11-23 14:14:49,532 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:14:49,533 INFO L158 Benchmark]: CACSL2BoogieTranslator took 306.32ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 132.5MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:14:49,534 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.46ms. Allocated memory is still 155.2MB. Free memory was 132.5MB in the beginning and 131.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:14:49,534 INFO L158 Benchmark]: Boogie Preprocessor took 36.39ms. Allocated memory is still 155.2MB. Free memory was 131.2MB in the beginning and 129.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 14:14:49,536 INFO L158 Benchmark]: RCFGBuilder took 284.28ms. Allocated memory is still 155.2MB. Free memory was 129.8MB in the beginning and 121.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:14:49,542 INFO L158 Benchmark]: BuchiAutomizer took 1558.03ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 77.7MB in the end (delta: 43.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-23 14:14:49,542 INFO L158 Benchmark]: Witness Printer took 3.47ms. Allocated memory is still 155.2MB. Free memory is still 77.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:14:49,546 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 92.3MB. Free memory was 49.6MB in the beginning and 49.5MB in the end (delta: 84.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 306.32ms. Allocated memory is still 155.2MB. Free memory was 125.0MB in the beginning and 132.5MB in the end (delta: -7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.46ms. Allocated memory is still 155.2MB. Free memory was 132.5MB in the beginning and 131.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 36.39ms. Allocated memory is still 155.2MB. Free memory was 131.2MB in the beginning and 129.8MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 284.28ms. Allocated memory is still 155.2MB. Free memory was 129.8MB in the beginning and 121.4MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1558.03ms. Allocated memory is still 155.2MB. Free memory was 121.4MB in the beginning and 77.7MB in the end (delta: 43.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 3.47ms. Allocated memory is still 155.2MB. Free memory is still 77.7MB. 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 1.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. 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 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq212 hnf100 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: v&(v - 1) [15] (Reason bitwiseAnd) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;~v~0 := 0;~c~0 := 0;~z~0 := 0;~y~0 := 0;" "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;~y~0 := main_#t~nondet0#1;havoc main_#t~nondet0#1;~v~0 := main_#t~nondet1#1;havoc main_#t~nondet1#1;~c~0 := 0;" Loop: "assume !!(~v~0 > 0);~v~0 := ~bitwiseAnd(~v~0, ~v~0 - 1);main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-23 14:14:49,630 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_478ff28f-f346-443c-8bb3-66fdbfdaab54/bin/uautomizer-wIGwrQj20G/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