./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-01-false.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7e70badd Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-01-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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 a44d9121901906205e8d04c09df1a6abcaa1421eb2690c8243a195b2f6a28547 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-7e70bad [2021-11-23 14:06:34,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 14:06:34,593 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 14:06:34,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 14:06:34,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 14:06:34,657 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 14:06:34,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 14:06:34,663 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 14:06:34,665 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 14:06:34,667 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 14:06:34,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 14:06:34,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 14:06:34,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 14:06:34,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 14:06:34,676 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 14:06:34,678 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 14:06:34,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 14:06:34,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 14:06:34,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 14:06:34,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 14:06:34,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 14:06:34,693 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 14:06:34,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 14:06:34,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 14:06:34,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 14:06:34,722 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 14:06:34,722 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 14:06:34,724 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 14:06:34,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 14:06:34,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 14:06:34,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 14:06:34,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 14:06:34,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 14:06:34,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 14:06:34,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 14:06:34,737 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 14:06:34,739 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 14:06:34,740 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 14:06:34,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 14:06:34,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 14:06:34,743 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 14:06:34,744 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-23 14:06:34,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 14:06:34,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 14:06:34,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-23 14:06:34,818 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-23 14:06:34,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 14:06:34,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 14:06:34,821 INFO L138 SettingsManager]: * Use SBE=true [2021-11-23 14:06:34,821 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-23 14:06:34,821 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-23 14:06:34,821 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-23 14:06:34,822 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-23 14:06:34,822 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-23 14:06:34,822 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-23 14:06:34,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 14:06:34,823 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-23 14:06:34,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 14:06:34,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 14:06:34,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-23 14:06:34,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-23 14:06:34,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-23 14:06:34,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 14:06:34,825 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-23 14:06:34,825 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 14:06:34,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-23 14:06:34,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 14:06:34,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-23 14:06:34,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 14:06:34,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-23 14:06:34,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-23 14:06:34,828 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-23 14:06:34,829 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_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a44d9121901906205e8d04c09df1a6abcaa1421eb2690c8243a195b2f6a28547 [2021-11-23 14:06:35,125 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 14:06:35,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 14:06:35,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 14:06:35,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 14:06:35,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 14:06:35,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/../../sv-benchmarks/c/termination-bwb/or-01-false.c [2021-11-23 14:06:35,301 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/data/3451f30c0/eb919dd24307470f956460fb3f532e06/FLAG2d2861162 [2021-11-23 14:06:35,839 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 14:06:35,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/sv-benchmarks/c/termination-bwb/or-01-false.c [2021-11-23 14:06:35,847 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/data/3451f30c0/eb919dd24307470f956460fb3f532e06/FLAG2d2861162 [2021-11-23 14:06:36,237 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/data/3451f30c0/eb919dd24307470f956460fb3f532e06 [2021-11-23 14:06:36,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 14:06:36,243 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 14:06:36,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:36,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 14:06:36,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 14:06:36,257 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,259 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d791b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36, skipping insertion in model container [2021-11-23 14:06:36,259 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 14:06:36,283 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 14:06:36,440 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:36,444 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 14:06:36,456 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 14:06:36,468 INFO L208 MainTranslator]: Completed translation [2021-11-23 14:06:36,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36 WrapperNode [2021-11-23 14:06:36,469 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 14:06:36,470 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:36,470 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 14:06:36,470 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 14:06:36,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,525 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2021-11-23 14:06:36,526 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 14:06:36,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 14:06:36,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 14:06:36,527 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 14:06:36,539 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,540 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,545 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,550 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,551 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,552 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 14:06:36,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 14:06:36,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 14:06:36,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 14:06:36,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (1/1) ... [2021-11-23 14:06:36,567 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:36,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:36,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:36,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-23 14:06:36,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 14:06:36,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 14:06:36,747 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 14:06:36,751 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 14:06:36,866 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 14:06:36,878 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 14:06:36,878 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 14:06:36,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:36 BoogieIcfgContainer [2021-11-23 14:06:36,883 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 14:06:36,884 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-23 14:06:36,885 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-23 14:06:36,890 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-23 14:06:36,891 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:36,892 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 02:06:36" (1/3) ... [2021-11-23 14:06:36,894 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b931a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:36, skipping insertion in model container [2021-11-23 14:06:36,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:36,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:06:36" (2/3) ... [2021-11-23 14:06:36,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b931a6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 02:06:36, skipping insertion in model container [2021-11-23 14:06:36,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-23 14:06:36,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:36" (3/3) ... [2021-11-23 14:06:36,898 INFO L388 chiAutomizerObserver]: Analyzing ICFG or-01-false.c [2021-11-23 14:06:36,982 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-23 14:06:36,982 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-23 14:06:36,983 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-23 14:06:36,983 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-23 14:06:36,983 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-23 14:06:36,983 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-23 14:06:36,984 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-23 14:06:36,984 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-23 14:06:37,004 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 14:06:37,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:06:37,029 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:37,029 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:37,037 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:06:37,038 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:06:37,038 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-23 14:06:37,038 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 14:06:37,040 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-23 14:06:37,040 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-23 14:06:37,041 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-23 14:06:37,041 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-23 14:06:37,041 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-23 14:06:37,049 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 5#L20-2true [2021-11-23 14:06:37,049 INFO L793 eck$LassoCheckResult]: Loop: 5#L20-2true assume !!(main_~x~0#1 >= 0);main_~b~0#1 := ~bitwiseOr(main_~b~0#1, main_~a~0#1);main_~x~0#1 := main_~x~0#1 + main_~b~0#1; 5#L20-2true [2021-11-23 14:06:37,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,057 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-23 14:06:37,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271097123] [2021-11-23 14:06:37,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,161 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:37,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,187 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:37,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,191 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-23 14:06:37,192 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,192 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124114474] [2021-11-23 14:06:37,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,193 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,203 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:37,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:37,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 14:06:37,212 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-23 14:06:37,212 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-23 14:06:37,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1246944465] [2021-11-23 14:06:37,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-23 14:06:37,214 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 14:06:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,222 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 14:06:37,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 14:06:37,230 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-23 14:06:37,337 INFO L210 LassoAnalysis]: Preferences: [2021-11-23 14:06:37,338 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-23 14:06:37,338 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-23 14:06:37,338 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-23 14:06:37,339 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-23 14:06:37,339 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:37,339 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-23 14:06:37,339 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-23 14:06:37,340 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01-false.c_Iteration1_Lasso [2021-11-23 14:06:37,340 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-23 14:06:37,340 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-23 14:06:37,363 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 14:06:37,373 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 14:06:37,377 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 14:06:37,392 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 14:06:37,473 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-23 14:06:37,474 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-23 14:06:37,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:37,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:37,479 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:37,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-23 14:06:37,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:37,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:37,551 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:06:37,551 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 14:06:37,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:37,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:37,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:37,604 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:37,614 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:37,614 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:37,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-23 14:06:37,661 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:06:37,661 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 14:06:37,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:37,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:37,711 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:37,719 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:37,719 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:37,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-23 14:06:37,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:37,805 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:37,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:37,807 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:37,819 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-23 14:06:37,819 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:37,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-23 14:06:38,140 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:06:38,140 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=30} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=32, ULTIMATE.start_main_~b~0#1=31}, {ULTIMATE.start_main_~x~0#1=10, ULTIMATE.start_main_~b~0#1=29}, {ULTIMATE.start_main_~x~0#1=48, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [51, 2, 1] Nus: [1, 1] [2021-11-23 14:06:38,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:38,166 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-23 14:06:38,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 [2021-11-23 14:06:38,180 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-23 14:06:38,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-23 14:06:38,190 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-23 14:06:38,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-23 14:06:38,219 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-23 14:06:38,219 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=16} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-23 14:06:38,269 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/bin/uautomizer-wIGwrQj20G/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-23 14:06:38,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 02:06:38 BoogieIcfgContainer [2021-11-23 14:06:38,277 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-23 14:06:38,278 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 14:06:38,278 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 14:06:38,279 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 14:06:38,279 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:06:36" (3/4) ... [2021-11-23 14:06:38,283 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-23 14:06:38,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 14:06:38,290 INFO L158 Benchmark]: Toolchain (without parser) took 2042.45ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 56.2MB in the beginning and 78.5MB in the end (delta: -22.3MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2021-11-23 14:06:38,291 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:38,293 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.21ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 47.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 14:06:38,295 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.05ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 47.3MB in the beginning and 110.6MB in the end (delta: -63.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. [2021-11-23 14:06:38,296 INFO L158 Benchmark]: Boogie Preprocessor took 26.04ms. Allocated memory is still 132.1MB. Free memory was 110.5MB in the beginning and 109.6MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:38,298 INFO L158 Benchmark]: RCFGBuilder took 329.15ms. Allocated memory is still 132.1MB. Free memory was 109.6MB in the beginning and 104.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2021-11-23 14:06:38,306 INFO L158 Benchmark]: BuchiAutomizer took 1393.29ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 78.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2021-11-23 14:06:38,307 INFO L158 Benchmark]: Witness Printer took 5.64ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 78.5MB in the end (delta: 137.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 14:06:38,315 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 94.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.21ms. Allocated memory is still 94.4MB. Free memory was 56.0MB in the beginning and 47.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.05ms. Allocated memory was 94.4MB in the beginning and 132.1MB in the end (delta: 37.7MB). Free memory was 47.3MB in the beginning and 110.6MB in the end (delta: -63.2MB). Peak memory consumption was 6.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.04ms. Allocated memory is still 132.1MB. Free memory was 110.5MB in the beginning and 109.6MB in the end (delta: 897.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 329.15ms. Allocated memory is still 132.1MB. Free memory was 109.6MB in the beginning and 104.9MB in the end (delta: 4.7MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 1393.29ms. Allocated memory is still 132.1MB. Free memory was 104.9MB in the beginning and 78.7MB in the end (delta: 26.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 5.64ms. Allocated memory is still 132.1MB. Free memory was 78.7MB in the beginning and 78.5MB in the end (delta: 137.4kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax100 hnf100 lsp75 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq183 hnf95 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.6s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: b|a [21] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~a~0#1, main_~b~0#1, main_~x~0#1;havoc main_~a~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~a~0#1 := 16;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" Loop: "assume !!(main_~x~0#1 >= 0);main_~b~0#1 := ~bitwiseOr(main_~b~0#1, main_~a~0#1);main_~x~0#1 := main_~x~0#1 + main_~b~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2021-11-23 14:06:38,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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_c45e9a66-6fe7-4587-b940-96c1e7dbd3f4/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