./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i --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_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/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_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/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_b8a73826-c264-4387-b322-556f07c64638/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 fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c --- 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 20:33:40,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:33:40,646 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:33:40,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:33:40,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:33:40,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:33:40,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:33:40,695 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:33:40,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:33:40,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:33:40,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:33:40,701 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:33:40,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:33:40,703 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:33:40,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:33:40,706 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:33:40,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:33:40,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:33:40,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:33:40,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:33:40,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:33:40,717 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:33:40,718 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:33:40,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:33:40,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:33:40,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:33:40,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:33:40,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:33:40,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:33:40,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:33:40,745 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:33:40,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:33:40,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:33:40,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:33:40,749 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:33:40,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:33:40,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:33:40,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:33:40,754 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:33:40,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:33:40,756 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:33:40,759 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:33:40,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:33:40,816 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:33:40,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:33:40,817 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:33:40,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:33:40,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:33:40,819 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:33:40,820 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:33:40,820 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:33:40,820 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:33:40,822 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:33:40,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:33:40,822 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:33:40,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:33:40,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:33:40,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:33:40,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:33:40,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:33:40,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:33:40,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:33:40,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:33:40,825 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:33:40,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:33:40,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:33:40,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:33:40,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:33:40,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:33:40,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:33:40,828 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:33:40,828 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_b8a73826-c264-4387-b322-556f07c64638/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd975cc2a01973f9ff4e653eb22c285998b2ad4afa4fc6d69590e228bd13187c [2022-11-02 20:33:41,134 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:33:41,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:33:41,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:33:41,177 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:33:41,178 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:33:41,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2022-11-02 20:33:41,264 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/data/9076c7364/db0481758e0947c983297430a4ddd791/FLAGef3de6633 [2022-11-02 20:33:41,682 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:33:41,682 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/sv-benchmarks/c/termination-bwb/counting-bits-BK.i [2022-11-02 20:33:41,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/data/9076c7364/db0481758e0947c983297430a4ddd791/FLAGef3de6633 [2022-11-02 20:33:42,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/data/9076c7364/db0481758e0947c983297430a4ddd791 [2022-11-02 20:33:42,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:33:42,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:33:42,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:42,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:33:42,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:33:42,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26601f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42, skipping insertion in model container [2022-11-02 20:33:42,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,095 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:33:42,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:33:42,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:42,320 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:33:42,336 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:33:42,351 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:33:42,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42 WrapperNode [2022-11-02 20:33:42,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:33:42,354 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:42,354 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:33:42,354 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:33:42,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,370 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,393 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2022-11-02 20:33:42,394 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:33:42,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:33:42,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:33:42,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:33:42,407 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,407 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,424 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,426 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:33:42,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:33:42,433 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:33:42,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:33:42,435 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (1/1) ... [2022-11-02 20:33:42,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:33:42,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:33:42,471 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:33:42,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:33:42,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:33:42,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:33:42,604 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:33:42,609 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:33:42,762 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:33:42,771 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:33:42,771 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:33:42,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:42 BoogieIcfgContainer [2022-11-02 20:33:42,774 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:33:42,775 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:33:42,775 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:33:42,782 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:33:42,783 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:33:42,783 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:33:42" (1/3) ... [2022-11-02 20:33:42,784 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f57674a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:33:42, skipping insertion in model container [2022-11-02 20:33:42,785 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:33:42,785 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:33:42" (2/3) ... [2022-11-02 20:33:42,785 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f57674a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:33:42, skipping insertion in model container [2022-11-02 20:33:42,786 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:33:42,786 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:42" (3/3) ... [2022-11-02 20:33:42,789 INFO L332 chiAutomizerObserver]: Analyzing ICFG counting-bits-BK.i [2022-11-02 20:33:42,858 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:33:42,858 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:33:42,858 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:33:42,859 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:33:42,859 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:33:42,859 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:33:42,859 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:33:42,859 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:33:42,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 20:33:42,887 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:33:42,887 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:33:42,887 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:33:42,894 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:33:42,894 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:33:42,894 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:33:42,895 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 20:33:42,896 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-02 20:33:42,896 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:33:42,897 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:33:42,897 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-02 20:33:42,897 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-02 20:33:42,907 INFO L748 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; 10#L12true assume ~v~0 >= 0;~c~0 := 0; 6#L13-3true [2022-11-02 20:33:42,907 INFO L750 eck$LassoCheckResult]: Loop: 6#L13-3true assume !!(0 != ~v~0);~v~0 := (if 0 == ~v~0 || 0 == ~v~0 - 1 then 0 else (if 1 == ~v~0 - 1 then (if 1 == ~v~0 || 0 == ~v~0 then ~v~0 else (if ~v~0 >= 0 then ~v~0 % 2 else ~bitwiseAnd(~v~0, ~v~0 - 1))) else (if 1 == ~v~0 then (if 1 == ~v~0 - 1 || 0 == ~v~0 - 1 then ~v~0 - 1 else (if ~v~0 - 1 >= 0 then (~v~0 - 1) % 2 else ~bitwiseAnd(~v~0, ~v~0 - 1))) else ~bitwiseAnd(~v~0, ~v~0 - 1)))); 5#L13-2true main_#t~post2#1 := ~c~0;~c~0 := 1 + main_#t~post2#1;havoc main_#t~post2#1; 6#L13-3true [2022-11-02 20:33:42,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:42,915 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-02 20:33:42,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:42,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58655523] [2022-11-02 20:33:42,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:33:43,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:33:43,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:43,047 INFO L85 PathProgramCache]: Analyzing trace with hash 1379, now seen corresponding path program 1 times [2022-11-02 20:33:43,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:43,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453411901] [2022-11-02 20:33:43,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:43,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,080 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:33:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:33:43,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:33:43,100 INFO L85 PathProgramCache]: Analyzing trace with hash 28693956, now seen corresponding path program 1 times [2022-11-02 20:33:43,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:33:43,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962002600] [2022-11-02 20:33:43,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:33:43,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:33:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,126 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:33:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:33:43,146 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:35:15,959 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:35:15,960 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:35:15,960 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:35:15,960 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:35:15,960 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:35:15,961 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:15,961 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:35:15,961 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:35:15,961 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Loop [2022-11-02 20:35:15,961 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:35:15,962 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:35:15,984 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 20:35:15,997 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 20:35:16,002 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 20:35:16,123 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:35:16,124 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:35:16,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,133 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,143 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,143 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:35:16,174 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,175 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: [] [2022-11-02 20:35:16,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,204 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:35:16,207 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,207 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,244 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:35:16,253 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:35:16,253 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,291 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] [2022-11-02 20:35:16,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,335 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,348 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,349 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:35:16,381 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,381 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=4} Honda state: {~v~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:35:16,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,457 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:35:16,457 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:35:16,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:35:16,458 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:35:16,459 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:35:16,459 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,459 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:35:16,467 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:35:16,467 INFO L133 ssoRankerPreferences]: Filename of dumped script: counting-bits-BK.i_Iteration1_Lasso [2022-11-02 20:35:16,467 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:35:16,467 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:35:16,469 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 20:35:16,474 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 20:35:16,494 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 20:35:16,499 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 20:35:16,506 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 20:35:16,510 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 20:35:16,514 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 20:35:16,518 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 20:35:16,673 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:35:16,674 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:35:16,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,682 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,682 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:35:16,705 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,706 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~y~0=0} Honda state: {~y~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:35:16,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,740 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:35:16,745 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,745 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,766 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,766 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~v~0=0} Honda state: {~v~0=3} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:35:16,790 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,794 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,807 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,808 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:35:16,837 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,837 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: [] [2022-11-02 20:35:16,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,863 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:35:16,877 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:16,877 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:16,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:16,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:16,938 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:16,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-02 20:35:16,946 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:35:16,947 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:16,989 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:16,989 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] [2022-11-02 20:35:17,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:17,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:17,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:17,034 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:17,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:17,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:17,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-02 20:35:17,077 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:17,077 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: [] [2022-11-02 20:35:17,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:17,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:17,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:17,102 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:17,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-02 20:35:17,110 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:17,110 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:17,123 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:17,123 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: [] [2022-11-02 20:35:17,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:17,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:17,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:17,149 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:17,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-02 20:35:17,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:17,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:17,164 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:17,165 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {~z~0=0} Honda state: {~z~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:35:17,195 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-02 20:35:17,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:35:17,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:35:17,197 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:35:17,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-02 20:35:17,199 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:35:17,199 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:35:17,211 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:35:17,211 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: [] [2022-11-02 20:35:17,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-02 20:35:17,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:35:17 BoogieIcfgContainer [2022-11-02 20:35:17,239 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:35:17,240 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:35:17,240 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:35:17,240 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:35:17,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:33:42" (3/4) ... [2022-11-02 20:35:17,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:35:17,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:35:17,245 INFO L158 Benchmark]: Toolchain (without parser) took 95172.06ms. Allocated memory was 92.3MB in the beginning and 545.3MB in the end (delta: 453.0MB). Free memory was 56.0MB in the beginning and 397.4MB in the end (delta: -341.4MB). Peak memory consumption was 110.2MB. Max. memory is 16.1GB. [2022-11-02 20:35:17,246 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:17,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 278.51ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 67.4MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:35:17,247 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.23ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:17,247 INFO L158 Benchmark]: Boogie Preprocessor took 35.16ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 64.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:35:17,248 INFO L158 Benchmark]: RCFGBuilder took 341.99ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 56.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:35:17,249 INFO L158 Benchmark]: BuchiAutomizer took 94464.14ms. Allocated memory was 92.3MB in the beginning and 545.3MB in the end (delta: 453.0MB). Free memory was 56.2MB in the beginning and 397.4MB in the end (delta: -341.3MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. [2022-11-02 20:35:17,249 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 545.3MB. Free memory is still 397.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:35:17,253 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 92.3MB. Free memory was 65.2MB in the beginning and 65.2MB in the end (delta: 25.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 278.51ms. Allocated memory is still 92.3MB. Free memory was 55.8MB in the beginning and 67.4MB in the end (delta: -11.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.23ms. Allocated memory is still 92.3MB. Free memory was 67.4MB in the beginning and 66.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.16ms. Allocated memory is still 92.3MB. Free memory was 66.3MB in the beginning and 64.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 341.99ms. Allocated memory is still 92.3MB. Free memory was 64.9MB in the beginning and 56.2MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 94464.14ms. Allocated memory was 92.3MB in the beginning and 545.3MB in the end (delta: 453.0MB). Free memory was 56.2MB in the beginning and 397.4MB in the end (delta: -341.3MB). Peak memory consumption was 318.8MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 545.3MB. Free memory is still 397.4MB. 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 94.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 94.3s. 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: inital28 mio100 ax100 hnf100 lsp82 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq187 hnf100 smp100 dnf300 smp17 tf104 neg86 sie129 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 9 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - 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) [14] (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;" "assume ~v~0 >= 0;~c~0 := 0;" Loop: "assume !!(0 != ~v~0);~v~0 := (if 0 == ~v~0 || 0 == ~v~0 - 1 then 0 else (if 1 == ~v~0 - 1 then (if 1 == ~v~0 || 0 == ~v~0 then ~v~0 else (if ~v~0 >= 0 then ~v~0 % 2 else ~bitwiseAnd(~v~0, ~v~0 - 1))) else (if 1 == ~v~0 then (if 1 == ~v~0 - 1 || 0 == ~v~0 - 1 then ~v~0 - 1 else (if ~v~0 - 1 >= 0 then (~v~0 - 1) % 2 else ~bitwiseAnd(~v~0, ~v~0 - 1))) else ~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 [2022-11-02 20:35:17,301 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/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 Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8a73826-c264-4387-b322-556f07c64638/bin/uautomizer-Dbtcem3rbc/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