./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/not-02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 38b53e6a 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_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/not-02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R --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 cfe6ed4448f30e820e637790713dc0ec4fdfca7b3d31473209834061c21efd0d --- 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-38b53e6 [2022-11-25 17:18:47,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:18:47,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:18:47,396 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:18:47,397 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:18:47,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:18:47,402 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:18:47,409 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:18:47,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:18:47,420 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:18:47,421 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:18:47,423 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:18:47,423 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:18:47,426 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:18:47,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:18:47,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:18:47,430 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:18:47,431 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:18:47,433 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:18:47,435 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:18:47,437 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:18:47,438 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:18:47,440 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:18:47,441 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:18:47,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:18:47,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:18:47,446 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:18:47,447 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:18:47,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:18:47,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:18:47,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:18:47,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:18:47,452 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:18:47,453 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:18:47,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:18:47,455 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:18:47,456 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:18:47,456 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:18:47,456 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:18:47,458 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:18:47,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:18:47,460 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 17:18:47,487 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:18:47,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:18:47,488 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:18:47,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:18:47,490 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:18:47,490 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:18:47,491 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:18:47,491 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:18:47,491 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:18:47,492 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:18:47,492 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:18:47,492 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:18:47,492 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:18:47,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:18:47,493 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:18:47,493 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:18:47,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:18:47,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:18:47,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:18:47,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:18:47,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:18:47,495 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:18:47,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:18:47,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:18:47,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:18:47,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:18:47,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:18:47,496 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:18:47,497 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:18:47,498 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_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cfe6ed4448f30e820e637790713dc0ec4fdfca7b3d31473209834061c21efd0d [2022-11-25 17:18:47,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:18:47,901 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:18:47,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:18:47,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:18:47,908 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:18:47,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-bwb/not-02.c [2022-11-25 17:18:51,049 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:18:51,274 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:18:51,275 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/sv-benchmarks/c/termination-bwb/not-02.c [2022-11-25 17:18:51,281 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/data/40c017132/4362bd122e0940459f62ff5db8806162/FLAG36cd28a11 [2022-11-25 17:18:51,297 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/data/40c017132/4362bd122e0940459f62ff5db8806162 [2022-11-25 17:18:51,299 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:18:51,301 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:18:51,302 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:18:51,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:18:51,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:18:51,315 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,316 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18c45488 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51, skipping insertion in model container [2022-11-25 17:18:51,317 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:18:51,345 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:18:51,537 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:18:51,546 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:18:51,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:18:51,572 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:18:51,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51 WrapperNode [2022-11-25 17:18:51,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:18:51,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:18:51,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:18:51,574 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:18:51,580 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,601 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2022-11-25 17:18:51,602 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:18:51,604 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:18:51,604 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:18:51,604 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:18:51,614 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,623 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:18:51,627 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:18:51,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:18:51,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:18:51,628 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (1/1) ... [2022-11-25 17:18:51,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:51,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:51,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:51,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:18:51,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:18:51,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:18:51,768 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:18:51,774 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:18:51,894 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:18:51,903 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:18:51,903 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:18:51,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:51 BoogieIcfgContainer [2022-11-25 17:18:51,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:18:51,908 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:18:51,909 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:18:51,914 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:18:51,915 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:18:51,915 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:18:51" (1/3) ... [2022-11-25 17:18:51,916 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b3aa120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:18:51, skipping insertion in model container [2022-11-25 17:18:51,917 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:18:51,917 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:18:51" (2/3) ... [2022-11-25 17:18:51,919 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b3aa120 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:18:51, skipping insertion in model container [2022-11-25 17:18:51,920 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:18:51,920 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:51" (3/3) ... [2022-11-25 17:18:51,925 INFO L332 chiAutomizerObserver]: Analyzing ICFG not-02.c [2022-11-25 17:18:52,027 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:18:52,028 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:18:52,028 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:18:52,028 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:18:52,028 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:18:52,029 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:18:52,029 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:18:52,029 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:18:52,034 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-25 17:18:52,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:18:52,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:18:52,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:18:52,061 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:18:52,061 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:18:52,062 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:18:52,062 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 6 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 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) [2022-11-25 17:18:52,063 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-25 17:18:52,063 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:18:52,063 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:18:52,063 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:18:52,064 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-25 17:18:52,072 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1; 5#L18-2true [2022-11-25 17:18:52,073 INFO L750 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(0 != main_~x~0#1 && 0 != main_~y~0#1);main_~a~0#1 := main_~x~0#1;main_~x~0#1 := main_~y~0#1;main_#t~nondet2#1 := ~bitwiseComplement(main_~a~0#1);assume main_#t~nondet2#1 != main_~a~0#1;assume main_~a~0#1 >= 0 || main_#t~nondet2#1 > 0;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 5#L18-2true [2022-11-25 17:18:52,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:52,088 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 17:18:52,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:52,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695221820] [2022-11-25 17:18:52,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:52,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:18:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,239 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:18:52,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:52,242 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-25 17:18:52,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:52,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500088798] [2022-11-25 17:18:52,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:52,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:52,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,267 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:18:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,290 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:18:52,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:18:52,292 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-25 17:18:52,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:18:52,292 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786704824] [2022-11-25 17:18:52,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:18:52,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:18:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:18:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:18:52,324 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:18:52,529 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:18:52,530 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:18:52,530 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:18:52,530 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:18:52,530 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:18:52,530 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:52,531 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:18:52,531 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:18:52,531 INFO L133 ssoRankerPreferences]: Filename of dumped script: not-02.c_Iteration1_Loop [2022-11-25 17:18:52,531 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:18:52,531 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:18:52,554 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:52,565 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:52,965 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:18:52,966 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:18:52,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:52,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:52,975 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:52,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:18:52,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:52,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,013 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:53,014 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:18:53,025 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-25 17:18:53,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,027 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,037 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:53,037 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:18:53,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:53,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,087 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:18:53,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:18:53,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,310 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:53,311 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7} Honda state: {ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~y~0#1=7}, {ULTIMATE.start_main_~x~0#1=4, ULTIMATE.start_main_~a~0#1=4, ULTIMATE.start_main_~y~0#1=4}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~a~0#1=0, ULTIMATE.start_main_~y~0#1=0}] Lambdas: [3, 1, 11] Nus: [1, 0] [2022-11-25 17:18:53,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:53,341 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:18:53,341 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:18:53,341 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:18:53,341 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:18:53,342 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:18:53,342 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,342 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:18:53,342 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:18:53,342 INFO L133 ssoRankerPreferences]: Filename of dumped script: not-02.c_Iteration1_Lasso [2022-11-25 17:18:53,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:18:53,343 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:18:53,345 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:53,351 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:53,356 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:53,362 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:53,366 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-25 17:18:53,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:18:53,826 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:18:53,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,836 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:53,847 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:18:53,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:53,872 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2#1=0} Honda state: {ULTIMATE.start_main_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:18:53,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:53,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,885 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,895 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:53,895 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:18:53,919 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:53,920 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-25 17:18:53,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:53,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,927 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:18:53,937 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:53,937 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:53,961 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:53,961 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: [] [2022-11-25 17:18:53,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:53,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:53,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:53,971 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:53,989 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:53,989 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:54,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:18:54,012 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:54,012 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: [] [2022-11-25 17:18:54,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:54,022 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:54,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:54,024 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:54,032 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:18:54,032 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:54,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-25 17:18:54,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-25 17:18:54,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:18:54,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:18:54,078 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:18:54,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-25 17:18:54,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:18:54,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:18:54,358 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:18:54,358 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_~y~0#1=0} Honda state: {ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=3, ULTIMATE.start_main_~y~0#1=6} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0#1=-1, ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~y~0#1=2}, {ULTIMATE.start_main_~a~0#1=1, ULTIMATE.start_main_~x~0#1=2, ULTIMATE.start_main_~y~0#1=4}, {ULTIMATE.start_main_~a~0#1=2, ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~y~0#1=0}] Lambdas: [0, 2, 0] Nus: [1, 0] [2022-11-25 17:18:54,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-25 17:18:54,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:18:54 BoogieIcfgContainer [2022-11-25 17:18:54,371 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:18:54,372 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:18:54,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:18:54,373 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:18:54,373 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:18:51" (3/4) ... [2022-11-25 17:18:54,377 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:18:54,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:18:54,380 INFO L158 Benchmark]: Toolchain (without parser) took 3077.84ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 141.6MB in the beginning and 176.7MB in the end (delta: -35.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2022-11-25 17:18:54,380 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 174.1MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:18:54,381 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.39ms. Allocated memory is still 174.1MB. Free memory was 141.4MB in the beginning and 131.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:18:54,382 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.78ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 130.9MB in the end (delta: 938.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:18:54,383 INFO L158 Benchmark]: Boogie Preprocessor took 22.15ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:18:54,384 INFO L158 Benchmark]: RCFGBuilder took 279.77ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 121.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:18:54,385 INFO L158 Benchmark]: BuchiAutomizer took 2463.03ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 121.3MB in the beginning and 176.7MB in the end (delta: -55.3MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. [2022-11-25 17:18:54,385 INFO L158 Benchmark]: Witness Printer took 5.72ms. Allocated memory is still 228.6MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:18:54,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 174.1MB. Free memory is still 145.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.39ms. Allocated memory is still 174.1MB. Free memory was 141.4MB in the beginning and 131.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.78ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 130.9MB in the end (delta: 938.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.15ms. Allocated memory is still 174.1MB. Free memory was 130.9MB in the beginning and 129.7MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 279.77ms. Allocated memory is still 174.1MB. Free memory was 129.7MB in the beginning and 121.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2463.03ms. Allocated memory was 174.1MB in the beginning and 228.6MB in the end (delta: 54.5MB). Free memory was 121.3MB in the beginning and 176.7MB in the end (delta: -55.3MB). Peak memory consumption was 54.9MB. Max. memory is 16.1GB. * Witness Printer took 5.72ms. Allocated memory is still 228.6MB. Free memory is still 176.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 2.2s. 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: inital28 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq178 hnf95 smp100 dnf947 smp33 tf100 neg89 sie126 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 5 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.8s 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: y = ~a [21] (Reason bitwiseComplement) 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~nondet1#1, main_#t~nondet2#1, main_~a~0#1, main_~x~0#1, main_~y~0#1;havoc main_~a~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~a~0#1 := 1;" Loop: "assume !!(0 != main_~x~0#1 && 0 != main_~y~0#1);main_~a~0#1 := main_~x~0#1;main_~x~0#1 := main_~y~0#1;main_#t~nondet2#1 := ~bitwiseComplement(main_~a~0#1);assume main_#t~nondet2#1 != main_~a~0#1;assume main_~a~0#1 >= 0 || main_#t~nondet2#1 > 0;main_~y~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-25 17:18:54,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/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_618eb9c4-e626-42b4-9261-125edcc95856/bin/uautomizer-ZsLfNo2U6R/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