./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-04-false.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_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/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_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-04-false.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/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_568e3329-a1ec-4baf-a478-2c613b8f8685/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 f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 --- 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 17:57:42,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:57:42,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:57:42,452 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:57:42,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:57:42,454 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:57:42,455 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:57:42,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:57:42,459 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:57:42,460 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:57:42,461 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:57:42,462 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:57:42,462 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:57:42,463 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:57:42,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:57:42,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:57:42,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:57:42,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:57:42,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:57:42,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:57:42,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:57:42,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:57:42,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:57:42,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:57:42,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:57:42,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:57:42,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:57:42,488 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:57:42,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:57:42,490 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:57:42,490 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:57:42,491 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:57:42,492 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:57:42,493 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:57:42,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:57:42,507 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:57:42,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:57:42,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:57:42,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:57:42,510 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:57:42,511 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:57:42,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-25 17:57:42,553 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:57:42,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:57:42,554 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:57:42,554 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:57:42,555 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:57:42,556 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:57:42,556 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:57:42,556 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-25 17:57:42,561 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-25 17:57:42,561 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-25 17:57:42,562 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-25 17:57:42,563 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-25 17:57:42,563 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-25 17:57:42,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:57:42,563 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:57:42,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:57:42,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:57:42,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-25 17:57:42,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-25 17:57:42,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-25 17:57:42,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:57:42,565 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-25 17:57:42,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:57:42,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-25 17:57:42,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:57:42,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:57:42,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:57:42,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:57:42,569 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-25 17:57:42,569 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_568e3329-a1ec-4baf-a478-2c613b8f8685/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f308da08c261d59eb95c200bdea9061877e2637c8f9041803c89ef49e63b8c52 [2022-11-25 17:57:42,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:57:42,874 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:57:42,877 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:57:42,879 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:57:42,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:57:42,881 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-bwb/and-04-false.c [2022-11-25 17:57:46,094 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:57:46,285 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:57:46,285 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/sv-benchmarks/c/termination-bwb/and-04-false.c [2022-11-25 17:57:46,291 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/data/93d02013a/5751a58f618f4ec9958fd0b20abccc51/FLAG1c89c015f [2022-11-25 17:57:46,311 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/data/93d02013a/5751a58f618f4ec9958fd0b20abccc51 [2022-11-25 17:57:46,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:57:46,320 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:57:46,323 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:57:46,323 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:57:46,327 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:57:46,328 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169fe689 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46, skipping insertion in model container [2022-11-25 17:57:46,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:57:46,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:57:46,501 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:57:46,507 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:57:46,521 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:57:46,531 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:57:46,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46 WrapperNode [2022-11-25 17:57:46,532 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:57:46,533 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:57:46,534 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:57:46,534 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:57:46,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,567 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-25 17:57:46,567 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:57:46,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:57:46,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:57:46,568 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:57:46,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,588 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,589 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,591 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:57:46,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:57:46,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:57:46,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:57:46,594 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (1/1) ... [2022-11-25 17:57:46,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:46,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:46,628 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:46,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-25 17:57:46,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:57:46,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:57:46,756 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:57:46,758 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:57:46,864 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:57:46,872 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:57:46,872 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:57:46,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:57:46 BoogieIcfgContainer [2022-11-25 17:57:46,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:57:46,875 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-25 17:57:46,875 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-25 17:57:46,880 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-25 17:57:46,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:57:46,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 05:57:46" (1/3) ... [2022-11-25 17:57:46,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eef5d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:57:46, skipping insertion in model container [2022-11-25 17:57:46,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:57:46,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:57:46" (2/3) ... [2022-11-25 17:57:46,884 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eef5d8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 05:57:46, skipping insertion in model container [2022-11-25 17:57:46,884 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-25 17:57:46,884 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:57:46" (3/3) ... [2022-11-25 17:57:46,886 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04-false.c [2022-11-25 17:57:46,954 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-25 17:57:46,954 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-25 17:57:46,954 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-25 17:57:46,955 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-25 17:57:46,955 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-25 17:57:46,955 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-25 17:57:46,955 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-25 17:57:46,955 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-25 17:57:46,960 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 17:57:46,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 17:57:46,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:57:46,981 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:57:46,987 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:57:46,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 17:57:46,988 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-25 17:57:46,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 17:57:46,989 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-25 17:57:46,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-25 17:57:46,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-25 17:57:46,990 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-25 17:57:46,990 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-25 17:57:46,999 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#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_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L16-2true [2022-11-25 17:57:47,000 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0#1 < 8); 2#L16true assume !(0 == main_~x~0#1);main_~x~0#1 := main_~x~0#1 - 1; 7#L16-2true [2022-11-25 17:57:47,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:47,009 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-25 17:57:47,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:47,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560011136] [2022-11-25 17:57:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:47,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:47,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,118 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:57:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,159 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:57:47,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:47,163 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-11-25 17:57:47,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:47,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919492476] [2022-11-25 17:57:47,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:47,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:47,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:57:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,240 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:57:47,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:57:47,260 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-11-25 17:57:47,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:57:47,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057443795] [2022-11-25 17:57:47,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:57:47,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:57:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,272 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:57:47,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:57:47,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:57:47,432 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:57:47,433 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:57:47,433 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:57:47,433 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:57:47,433 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:57:47,433 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,434 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:57:47,434 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:57:47,434 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Loop [2022-11-25 17:57:47,434 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:57:47,435 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:57:47,457 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 17:57:47,582 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:57:47,582 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:57:47,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:47,595 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-25 17:57:47,601 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:57:47,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:47,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:47,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:47,651 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:47,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-25 17:57:47,656 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:57:47,656 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:47,710 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:57:47,711 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [0, 14, 1] Nus: [1, 0] [2022-11-25 17:57:47,715 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:47,725 INFO L210 LassoAnalysis]: Preferences: [2022-11-25 17:57:47,725 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-25 17:57:47,725 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-25 17:57:47,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-25 17:57:47,726 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-25 17:57:47,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-25 17:57:47,726 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-25 17:57:47,727 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04-false.c_Iteration1_Lasso [2022-11-25 17:57:47,727 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-25 17:57:47,727 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-25 17:57:47,732 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 17:57:47,739 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 17:57:47,747 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 17:57:47,754 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 17:57:47,894 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-25 17:57:47,895 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-25 17:57:47,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:47,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:47,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:57:47,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:47,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-25 17:57:47,926 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:57:47,926 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 17:57:47,936 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:47,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:47,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:47,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-25 17:57:47,945 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:57:47,945 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:47,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:57:47,964 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 17:57:47,969 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:47,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:47,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:47,972 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:47,983 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:57:47,984 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:47,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-25 17:57:48,011 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:57:48,011 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 17:57:48,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:48,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:48,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:48,022 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:48,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-25 17:57:48,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-25 17:57:48,030 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:48,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:48,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-25 17:57:48,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:57:48,054 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-25 17:57:48,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-25 17:57:48,056 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-25 17:57:48,056 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-25 17:57:48,088 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-25 17:57:48,088 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=0}, {ULTIMATE.start_main_~x~0#1=-1}] Lambdas: [0, 14, 1] Nus: [1, 0] [2022-11-25 17:57:48,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-25 17:57:48,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 05:57:48 BoogieIcfgContainer [2022-11-25 17:57:48,123 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-25 17:57:48,124 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:57:48,124 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:57:48,124 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:57:48,125 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:57:46" (3/4) ... [2022-11-25 17:57:48,131 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-25 17:57:48,204 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:57:48,217 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:57:48,220 INFO L158 Benchmark]: Toolchain (without parser) took 1898.88ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 101.7MB in the beginning and 162.3MB in the end (delta: -60.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,220 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:57:48,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 209.44ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 92.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,221 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.14ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 91.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,222 INFO L158 Benchmark]: Boogie Preprocessor took 23.47ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 90.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,223 INFO L158 Benchmark]: RCFGBuilder took 281.69ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 81.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,223 INFO L158 Benchmark]: BuchiAutomizer took 1248.30ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 81.0MB in the beginning and 164.2MB in the end (delta: -83.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:57:48,224 INFO L158 Benchmark]: Witness Printer took 93.76ms. Allocated memory is still 213.9MB. Free memory was 164.2MB in the beginning and 162.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:57:48,227 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 96.5MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 209.44ms. Allocated memory is still 146.8MB. Free memory was 101.4MB in the beginning and 92.5MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.14ms. Allocated memory is still 146.8MB. Free memory was 92.5MB in the beginning and 91.2MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.47ms. Allocated memory is still 146.8MB. Free memory was 91.2MB in the beginning and 90.0MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 281.69ms. Allocated memory is still 146.8MB. Free memory was 90.0MB in the beginning and 81.3MB in the end (delta: 8.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1248.30ms. Allocated memory was 146.8MB in the beginning and 213.9MB in the end (delta: 67.1MB). Free memory was 81.0MB in the beginning and 164.2MB in the end (delta: -83.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 93.76ms. Allocated memory is still 213.9MB. Free memory was 164.2MB in the beginning and 162.3MB in the end (delta: 1.9MB). 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 nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.1s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: inital14 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - GeometricNonTerminationArgumentResult [Line: 15]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {x=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7436258e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76e85f26=0, \result=0} State at position 1 is {x=-1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7436258e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76e85f26=0, \result=0} For i>1, the state at position i is {x=-1 + sum_{k=0}^i -1, org.eclipse.cdt.internal.core.dom.parser.c.CASTBinaryExpression@7436258e=0 + sum_{k=0}^i 0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76e85f26=0 + sum_{k=0}^i 0, \result=0 + sum_{k=0}^i 0} - StatisticsResult: NonterminationArgumentStatistics Unbounded Execution 1GEVs Lambdas: [0, 14, 1] Mus: [1, 0] - NonterminatingLassoResult [Line: 15]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L13] int x; [L14] x = __VERIFIER_nondet_int() Loop: [L15] COND TRUE x < 8 [L16] COND FALSE !(x == 0) [L20] x = x-1 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-25 17:57:48,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_568e3329-a1ec-4baf-a478-2c613b8f8685/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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)