./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f 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_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8 --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 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 --- 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-e04fb08 [2022-11-16 11:10:25,456 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:10:25,459 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:10:25,506 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:10:25,507 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:10:25,512 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:10:25,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:10:25,518 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:10:25,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:10:25,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:10:25,528 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:10:25,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:10:25,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:10:25,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:10:25,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:10:25,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:10:25,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:10:25,540 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:10:25,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:10:25,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:10:25,553 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:10:25,555 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:10:25,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:10:25,559 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:10:25,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:10:25,568 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:10:25,569 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:10:25,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:10:25,571 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:10:25,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:10:25,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:10:25,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:10:25,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:10:25,578 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:10:25,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:10:25,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:10:25,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:10:25,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:10:25,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:10:25,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:10:25,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:10:25,584 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 11:10:25,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:10:25,630 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:10:25,631 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:10:25,631 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:10:25,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:10:25,633 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:10:25,633 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:10:25,633 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 11:10:25,633 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 11:10:25,634 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 11:10:25,635 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 11:10:25,635 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 11:10:25,635 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 11:10:25,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:10:25,636 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 11:10:25,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:10:25,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:10:25,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 11:10:25,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 11:10:25,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 11:10:25,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:10:25,637 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 11:10:25,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:10:25,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 11:10:25,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:10:25,640 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:10:25,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:10:25,640 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:10:25,641 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 11:10:25,642 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_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 [2022-11-16 11:10:25,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:10:26,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:10:26,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:10:26,021 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:10:26,022 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:10:26,023 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2022-11-16 11:10:26,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/data/8b2dffbd7/a8752dbba1c341a8aa98b9952056bbd1/FLAG6ad85fb55 [2022-11-16 11:10:26,591 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:10:26,592 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2022-11-16 11:10:26,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/data/8b2dffbd7/a8752dbba1c341a8aa98b9952056bbd1/FLAG6ad85fb55 [2022-11-16 11:10:26,949 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/data/8b2dffbd7/a8752dbba1c341a8aa98b9952056bbd1 [2022-11-16 11:10:26,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:10:26,953 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:10:26,955 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:26,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:10:26,959 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:10:26,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:26" (1/1) ... [2022-11-16 11:10:26,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@683fbf39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:26, skipping insertion in model container [2022-11-16 11:10:26,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:10:26" (1/1) ... [2022-11-16 11:10:26,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:10:26,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:10:27,169 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:27,173 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:10:27,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:10:27,200 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:10:27,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27 WrapperNode [2022-11-16 11:10:27,201 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:10:27,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:27,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:10:27,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:10:27,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,234 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 17 [2022-11-16 11:10:27,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:10:27,236 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:10:27,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:10:27,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:10:27,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,246 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,248 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,252 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,253 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,254 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:10:27,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:10:27,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:10:27,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:10:27,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (1/1) ... [2022-11-16 11:10:27,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:27,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:27,291 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:27,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 11:10:27,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:10:27,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:10:27,395 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:10:27,398 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:10:27,495 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:10:27,505 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:10:27,506 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:10:27,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:27 BoogieIcfgContainer [2022-11-16 11:10:27,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:10:27,509 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 11:10:27,509 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 11:10:27,513 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 11:10:27,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:10:27,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 11:10:26" (1/3) ... [2022-11-16 11:10:27,515 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e228480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:10:27, skipping insertion in model container [2022-11-16 11:10:27,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:10:27,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:10:27" (2/3) ... [2022-11-16 11:10:27,516 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e228480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 11:10:27, skipping insertion in model container [2022-11-16 11:10:27,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 11:10:27,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:27" (3/3) ... [2022-11-16 11:10:27,518 INFO L332 chiAutomizerObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1.c [2022-11-16 11:10:27,571 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 11:10:27,571 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 11:10:27,572 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 11:10:27,572 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 11:10:27,572 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 11:10:27,572 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 11:10:27,572 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 11:10:27,572 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 11:10:27,577 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-16 11:10:27,594 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:10:27,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:10:27,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:10:27,599 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:10:27,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:10:27,600 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 11:10:27,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-16 11:10:27,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-16 11:10:27,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 11:10:27,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 11:10:27,602 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 11:10:27,602 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-16 11:10:27,610 INFO L748 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~q~0#1, main_~y~0#1;havoc main_~q~0#1;havoc main_~y~0#1;main_~q~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L18-2true [2022-11-16 11:10:27,610 INFO L750 eck$LassoCheckResult]: Loop: 6#L18-2true assume !!(main_~q~0#1 > 0); 4#L18true assume !(main_~y~0#1 > 0);main_~q~0#1 := main_~q~0#1 + main_~y~0#1 - 1; 6#L18-2true [2022-11-16 11:10:27,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 11:10:27,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:27,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464697050] [2022-11-16 11:10:27,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:27,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:27,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,709 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:10:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,727 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:10:27,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:27,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2022-11-16 11:10:27,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:27,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739077169] [2022-11-16 11:10:27,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:27,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:27,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,740 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:10:27,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,745 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:10:27,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:27,747 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-16 11:10:27,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:10:27,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143703481] [2022-11-16 11:10:27,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:10:27,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:10:27,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,754 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:10:27,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:10:27,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:10:27,827 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:10:27,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:10:27,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:10:27,828 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:10:27,828 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 11:10:27,828 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:27,828 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:10:27,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:10:27,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2022-11-16 11:10:27,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:10:27,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:10:27,865 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:27,880 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:27,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:27,989 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:10:27,990 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 11:10:27,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:27,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:27,996 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 11:10:28,027 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:10:28,027 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:10:28,069 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:10:28,070 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:10:28,082 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,093 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:10:28,093 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:10:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 11:10:28,119 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-16 11:10:28,119 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-16 11:10:28,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,130 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,139 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 11:10:28,139 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:10:28,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 11:10:28,182 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,185 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 11:10:28,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 11:10:28,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 11:10:28,350 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 11:10:28,357 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,358 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 11:10:28,358 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 11:10:28,358 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 11:10:28,358 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 11:10:28,358 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 11:10:28,358 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,358 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 11:10:28,358 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 11:10:28,358 INFO L133 ssoRankerPreferences]: Filename of dumped script: LeikeHeizmann-TACAS2014-Ex1.c_Iteration1_Loop [2022-11-16 11:10:28,359 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 11:10:28,359 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 11:10:28,361 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:28,370 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:28,378 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 11:10:28,472 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 11:10:28,476 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 11:10:28,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,482 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,494 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 11:10:28,500 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:10:28,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:10:28,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:10:28,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:10:28,513 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:10:28,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:10:28,523 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:10:28,550 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:10:28,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,559 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 11:10:28,566 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:10:28,578 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:10:28,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:10:28,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:10:28,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:10:28,583 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 11:10:28,583 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-16 11:10:28,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 11:10:28,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 11:10:28,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,616 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 11:10:28,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 11:10:28,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 11:10:28,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 11:10:28,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 11:10:28,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 11:10:28,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 11:10:28,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 11:10:28,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 11:10:28,648 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-16 11:10:28,653 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-16 11:10:28,653 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-16 11:10:28,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 11:10:28,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:10:28,660 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 11:10:28,662 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-16 11:10:28,662 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-16 11:10:28,662 INFO L513 LassoAnalysis]: Proved termination. [2022-11-16 11:10:28,663 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~q~0#1) = 1*ULTIMATE.start_main_~q~0#1 Supporting invariants [] [2022-11-16 11:10:28,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 11:10:28,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-11-16 11:10:28,677 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-16 11:10:28,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:10:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:28,708 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-16 11:10:28,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:28,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:10:28,727 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 11:10:28,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:10:28,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:10:28,801 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-16 11:10:28,803 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-16 11:10:28,852 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Result 18 states and 23 transitions. Complement of second has 7 states. [2022-11-16 11:10:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-16 11:10:28,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-11-16 11:10:28,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2022-11-16 11:10:28,862 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-16 11:10:28,862 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:10:28,863 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-16 11:10:28,863 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:10:28,864 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-16 11:10:28,864 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-16 11:10:28,865 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-16 11:10:28,872 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:10:28,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-16 11:10:28,875 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-16 11:10:28,876 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-16 11:10:28,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-16 11:10:28,877 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 11:10:28,878 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:10:28,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:10:28,878 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:10:28,878 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 11:10:28,878 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:10:28,879 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-16 11:10:28,879 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-16 11:10:28,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 11:10:28 BoogieIcfgContainer [2022-11-16 11:10:28,888 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 11:10:28,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:10:28,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:10:28,889 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:10:28,890 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:10:27" (3/4) ... [2022-11-16 11:10:28,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:10:28,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:10:28,895 INFO L158 Benchmark]: Toolchain (without parser) took 1940.66ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 65.7MB in the beginning and 91.8MB in the end (delta: -26.1MB). Peak memory consumption was 3.6MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,896 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:28,901 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.87ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 79.1MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.70ms. Allocated memory is still 100.7MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:10:28,903 INFO L158 Benchmark]: Boogie Preprocessor took 19.58ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.8MB in the end (delta: 890.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,903 INFO L158 Benchmark]: RCFGBuilder took 251.26ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 68.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,904 INFO L158 Benchmark]: BuchiAutomizer took 1378.62ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 68.4MB in the beginning and 92.3MB in the end (delta: -23.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,905 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 91.8MB in the end (delta: 539.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:10:28,916 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory was 82.3MB in the beginning and 82.3MB in the end (delta: 41.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 246.87ms. Allocated memory is still 100.7MB. Free memory was 65.5MB in the beginning and 79.1MB in the end (delta: -13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.70ms. Allocated memory is still 100.7MB. Free memory was 79.1MB in the beginning and 77.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.58ms. Allocated memory is still 100.7MB. Free memory was 77.7MB in the beginning and 76.8MB in the end (delta: 890.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.26ms. Allocated memory is still 100.7MB. Free memory was 76.8MB in the beginning and 68.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1378.62ms. Allocated memory was 100.7MB in the beginning and 130.0MB in the end (delta: 29.4MB). Free memory was 68.4MB in the beginning and 92.3MB in the end (delta: -23.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 130.0MB. Free memory was 92.3MB in the beginning and 91.8MB in the end (delta: 539.3kB). 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 Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function q and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 5 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp57 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf108 neg95 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 72ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-16 11:10:28,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-16 11:10:29,142 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_468456d5-adf5-4304-aa57-6766862aa74a/bin/uautomizer-tPACEb0tL8/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 Result: TRUE