./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-01.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/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_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/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_114662b2-5681-4caf-a76b-7cf737aa9748/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 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 --- 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 20:18:26,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:18:26,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:18:26,436 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:18:26,436 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:18:26,438 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:18:26,439 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:18:26,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:18:26,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:18:26,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:18:26,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:18:26,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:18:26,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:18:26,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:18:26,449 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:18:26,451 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:18:26,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:18:26,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:18:26,455 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:18:26,458 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:18:26,460 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:18:26,462 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:18:26,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:18:26,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:18:26,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:18:26,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:18:26,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:18:26,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:18:26,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:18:26,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:18:26,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:18:26,475 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:18:26,475 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:18:26,476 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:18:26,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:18:26,478 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:18:26,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:18:26,479 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:18:26,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:18:26,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:18:26,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:18:26,483 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-02 20:18:26,512 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:18:26,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:18:26,513 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:18:26,513 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:18:26,514 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:18:26,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:18:26,515 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:18:26,516 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-02 20:18:26,516 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-02 20:18:26,516 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-02 20:18:26,517 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-02 20:18:26,517 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-02 20:18:26,518 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-02 20:18:26,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:18:26,518 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-02 20:18:26,519 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:18:26,519 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:18:26,519 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-02 20:18:26,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-02 20:18:26,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-02 20:18:26,520 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:18:26,521 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-02 20:18:26,521 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:18:26,521 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-02 20:18:26,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:18:26,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:18:26,522 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:18:26,523 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:18:26,524 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-02 20:18:26,524 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_114662b2-5681-4caf-a76b-7cf737aa9748/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f247e4473503f47ee3194e296d6b905e51586799395e11124f119da43a61cc2 [2022-11-02 20:18:26,845 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:18:26,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:18:26,890 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:18:26,892 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:18:26,894 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:18:26,896 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/termination-bwb/or-01.c [2022-11-02 20:18:27,002 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/data/f9e7cf8d9/aef0b93f24714a958222948600b58334/FLAG464f7be3b [2022-11-02 20:18:27,446 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:18:27,446 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/sv-benchmarks/c/termination-bwb/or-01.c [2022-11-02 20:18:27,454 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/data/f9e7cf8d9/aef0b93f24714a958222948600b58334/FLAG464f7be3b [2022-11-02 20:18:27,815 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/data/f9e7cf8d9/aef0b93f24714a958222948600b58334 [2022-11-02 20:18:27,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:18:27,819 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:18:27,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:27,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:18:27,827 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:18:27,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:27" (1/1) ... [2022-11-02 20:18:27,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b75e46e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:27, skipping insertion in model container [2022-11-02 20:18:27,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:18:27" (1/1) ... [2022-11-02 20:18:27,837 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:18:27,849 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:18:28,002 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:28,025 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:18:28,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:18:28,046 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:18:28,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28 WrapperNode [2022-11-02 20:18:28,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:18:28,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:28,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:18:28,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:18:28,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,061 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,078 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-11-02 20:18:28,078 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:18:28,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:18:28,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:18:28,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:18:28,092 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,093 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,094 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,100 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:18:28,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:18:28,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:18:28,104 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:18:28,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (1/1) ... [2022-11-02 20:18:28,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:28,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:28,136 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:28,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-02 20:18:28,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:18:28,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:18:28,221 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:18:28,223 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:18:28,291 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:18:28,297 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:18:28,297 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-02 20:18:28,299 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:28 BoogieIcfgContainer [2022-11-02 20:18:28,299 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:18:28,301 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-02 20:18:28,301 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-02 20:18:28,305 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-02 20:18:28,306 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:18:28,306 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:18:27" (1/3) ... [2022-11-02 20:18:28,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8e58e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:18:28, skipping insertion in model container [2022-11-02 20:18:28,307 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:18:28,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:18:28" (2/3) ... [2022-11-02 20:18:28,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@8e58e2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:18:28, skipping insertion in model container [2022-11-02 20:18:28,308 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-02 20:18:28,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:28" (3/3) ... [2022-11-02 20:18:28,310 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-01.c [2022-11-02 20:18:28,380 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-02 20:18:28,381 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-02 20:18:28,381 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-02 20:18:28,381 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-02 20:18:28,381 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-02 20:18:28,382 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-02 20:18:28,382 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-02 20:18:28,382 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-02 20:18:28,394 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:18:28,414 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:18:28,414 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:18:28,414 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:18:28,418 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:18:28,418 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:18:28,419 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-02 20:18:28,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-02 20:18:28,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-02 20:18:28,420 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-02 20:18:28,420 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-02 20:18:28,420 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-02 20:18:28,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-02 20:18:28,427 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~post1#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; 4#L20-2true [2022-11-02 20:18:28,428 INFO L750 eck$LassoCheckResult]: Loop: 4#L20-2true assume !!(main_~x~0#1 > 0);main_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1;main_~b~0#1 := (if (1 == main_~b~0#1 || 0 == main_~b~0#1) && 0 == main_~a~0#1 then main_~b~0#1 else (if 0 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1) then main_~a~0#1 else (if (1 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1)) || ((1 == main_~b~0#1 || 0 == main_~b~0#1) && 1 == main_~a~0#1) then 1 else ~bitwiseOr(main_~b~0#1, main_~a~0#1))));main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 4#L20-2true [2022-11-02 20:18:28,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:28,434 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-02 20:18:28,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:28,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365383095] [2022-11-02 20:18:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:28,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,525 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:18:28,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:18:28,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:28,554 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-02 20:18:28,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:28,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737300503] [2022-11-02 20:18:28,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:28,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:28,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,580 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:18:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,597 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:18:28,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:18:28,600 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-02 20:18:28,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:18:28,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725641286] [2022-11-02 20:18:28,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:18:28,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:18:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,619 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-02 20:18:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-02 20:18:28,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-02 20:18:29,495 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:18:29,496 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:18:29,496 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:18:29,496 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:18:29,496 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:18:29,496 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:29,496 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:18:29,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:18:29,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Loop [2022-11-02 20:18:29,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:18:29,497 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:18:29,522 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 20:18:29,535 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 20:18:30,178 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:18:30,182 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:18:30,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:30,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:30,187 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:30,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:30,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:30,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-02 20:18:30,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:30,231 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:18:30,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:30,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:30,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:30,279 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:30,287 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:30,287 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:30,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-02 20:18:30,368 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:30,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:30,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:30,372 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:30,381 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:18:30,382 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:30,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-02 20:18:30,597 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:30,597 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-8, ULTIMATE.start_main_~b~0#1=-5} Honda state: {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-8, ULTIMATE.start_main_~b~0#1=-5} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=7, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=4, ULTIMATE.start_main_~a~0#1=-6, ULTIMATE.start_main_~b~0#1=-3}, {ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [1, 1, 1] Nus: [0, 1] [2022-11-02 20:18:30,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:30,667 INFO L210 LassoAnalysis]: Preferences: [2022-11-02 20:18:30,667 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-02 20:18:30,667 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-02 20:18:30,668 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-02 20:18:30,668 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-02 20:18:30,668 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:30,669 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-02 20:18:30,670 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-02 20:18:30,672 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-01.c_Iteration1_Lasso [2022-11-02 20:18:30,672 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-02 20:18:30,673 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-02 20:18:30,676 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 20:18:30,790 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 20:18:30,795 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 20:18:30,798 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 20:18:31,174 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-02 20:18:31,174 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-02 20:18:31,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:31,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:31,176 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:31,178 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:31,179 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:31,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-02 20:18:31,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:31,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:31,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:31,224 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:31,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-02 20:18:31,231 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-02 20:18:31,232 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:31,703 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:31,703 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=16, ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=30} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=-32}, {ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [0, 1, 44] Nus: [0, 0] [2022-11-02 20:18:31,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-02 20:18:31,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:31,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:31,735 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:31,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-02 20:18:31,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:31,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:31,754 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:31,754 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 20:18:31,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:31,780 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:31,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-02 20:18:31,783 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:31,783 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:31,803 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:31,803 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 20:18:31,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-02 20:18:31,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-02 20:18:31,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:18:31,853 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-02 20:18:31,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-02 20:18:31,859 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-02 20:18:31,860 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-02 20:18:31,886 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-02 20:18:31,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post1#1=0} Honda state: {ULTIMATE.start_main_#t~post1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-02 20:18:31,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-02 20:18:31,930 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:18:31 BoogieIcfgContainer [2022-11-02 20:18:31,934 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-02 20:18:31,935 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:18:31,935 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:18:31,935 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:18:31,936 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:18:28" (3/4) ... [2022-11-02 20:18:31,940 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-02 20:18:31,940 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:18:31,942 INFO L158 Benchmark]: Toolchain (without parser) took 4121.38ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 63.6MB in the beginning and 60.8MB in the end (delta: 2.8MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,943 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:18:31,943 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.36ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 63.3MB in the beginning and 109.4MB in the end (delta: -46.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,944 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.68ms. Allocated memory is still 132.1MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:18:31,944 INFO L158 Benchmark]: Boogie Preprocessor took 23.43ms. Allocated memory is still 132.1MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,945 INFO L158 Benchmark]: RCFGBuilder took 196.40ms. Allocated memory is still 132.1MB. Free memory was 107.0MB in the beginning and 98.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,946 INFO L158 Benchmark]: BuchiAutomizer took 3633.29ms. Allocated memory is still 132.1MB. Free memory was 98.3MB in the beginning and 61.7MB in the end (delta: 36.6MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,947 INFO L158 Benchmark]: Witness Printer took 5.22ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 60.8MB in the end (delta: 938.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:18:31,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 27.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.36ms. Allocated memory was 98.6MB in the beginning and 132.1MB in the end (delta: 33.6MB). Free memory was 63.3MB in the beginning and 109.4MB in the end (delta: -46.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.68ms. Allocated memory is still 132.1MB. Free memory was 109.4MB in the beginning and 108.2MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.43ms. Allocated memory is still 132.1MB. Free memory was 108.2MB in the beginning and 107.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 196.40ms. Allocated memory is still 132.1MB. Free memory was 107.0MB in the beginning and 98.7MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 3633.29ms. Allocated memory is still 132.1MB. Free memory was 98.3MB in the beginning and 61.7MB in the end (delta: 36.6MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * Witness Printer took 5.22ms. Allocated memory is still 132.1MB. Free memory was 61.7MB in the beginning and 60.8MB in the end (delta: 938.8kB). Peak memory consumption was 2.1MB. 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 3.5s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. 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: inital68 mio100 ax100 hnf100 lsp176 ukn54 mio100 lsp100 div100 bol100 ite100 ukn100 eq196 hnf97 smp100 dnf463 smp31 tf100 neg96 sie113 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s 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: b|a [22] (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_#t~post1#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_#t~post1#1 := main_~a~0#1;main_~a~0#1 := 1 + main_#t~post1#1;havoc main_#t~post1#1;main_~b~0#1 := (if (1 == main_~b~0#1 || 0 == main_~b~0#1) && 0 == main_~a~0#1 then main_~b~0#1 else (if 0 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1) then main_~a~0#1 else (if (1 == main_~b~0#1 && (1 == main_~a~0#1 || 0 == main_~a~0#1)) || ((1 == main_~b~0#1 || 0 == main_~b~0#1) && 1 == main_~a~0#1) then 1 else ~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 [2022-11-02 20:18:31,993 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_114662b2-5681-4caf-a76b-7cf737aa9748/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_114662b2-5681-4caf-a76b-7cf737aa9748/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