./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/ConvLower.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/ConvLower.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD --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 53380e8569c70a1efdb918ce9289975051e88fe57ba0743af14839dd30306283 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:58:15,326 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:58:15,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:58:15,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:58:15,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:58:15,363 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:58:15,365 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:58:15,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:58:15,370 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:58:15,371 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:58:15,373 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:58:15,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:58:15,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:58:15,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:58:15,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:58:15,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:58:15,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:58:15,384 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:58:15,386 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:58:15,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:58:15,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:58:15,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:58:15,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:58:15,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:58:15,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:58:15,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:58:15,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:58:15,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:58:15,404 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:58:15,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:58:15,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:58:15,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:58:15,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:58:15,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:58:15,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:58:15,411 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:58:15,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:58:15,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:58:15,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:58:15,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:58:15,415 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:58:15,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-10-28 23:58:15,442 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:58:15,442 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:58:15,443 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:58:15,443 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:58:15,444 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:58:15,445 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:58:15,445 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:58:15,445 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:58:15,446 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:58:15,446 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:58:15,446 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:58:15,446 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:58:15,447 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:58:15,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:58:15,447 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:58:15,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:58:15,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:58:15,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:58:15,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:58:15,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:58:15,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:58:15,449 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:58:15,450 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:58:15,450 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:58:15,450 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:58:15,450 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:58:15,451 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:58:15,451 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:58:15,451 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:58:15,452 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:58:15,453 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_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 53380e8569c70a1efdb918ce9289975051e88fe57ba0743af14839dd30306283 [2021-10-28 23:58:15,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:58:15,733 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:58:15,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:58:15,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:58:15,737 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:58:15,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/termination-restricted-15/ConvLower.c [2021-10-28 23:58:15,802 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/data/fd99a2e28/f3df75985b0d441999a6072778d36e34/FLAG5f50c01a3 [2021-10-28 23:58:16,239 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:58:16,240 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/sv-benchmarks/c/termination-restricted-15/ConvLower.c [2021-10-28 23:58:16,246 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/data/fd99a2e28/f3df75985b0d441999a6072778d36e34/FLAG5f50c01a3 [2021-10-28 23:58:16,634 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/data/fd99a2e28/f3df75985b0d441999a6072778d36e34 [2021-10-28 23:58:16,636 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:58:16,638 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:58:16,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:16,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:58:16,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:58:16,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b84df13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16, skipping insertion in model container [2021-10-28 23:58:16,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:58:16,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:58:16,817 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:16,846 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:58:16,859 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:58:16,873 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:58:16,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16 WrapperNode [2021-10-28 23:58:16,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:58:16,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:16,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:58:16,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:58:16,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:58:16,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:58:16,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:58:16,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:58:16,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:58:16,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:58:16,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:58:16,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:58:16,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (1/1) ... [2021-10-28 23:58:16,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:16,956 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:16,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:17,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:58:17,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:58:17,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:58:17,173 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:58:17,174 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-28 23:58:17,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:17 BoogieIcfgContainer [2021-10-28 23:58:17,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:58:17,179 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:58:17,179 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:58:17,183 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:58:17,184 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:17,184 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:58:16" (1/3) ... [2021-10-28 23:58:17,186 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d5a606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:58:17, skipping insertion in model container [2021-10-28 23:58:17,186 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:17,187 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:16" (2/3) ... [2021-10-28 23:58:17,188 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@71d5a606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:58:17, skipping insertion in model container [2021-10-28 23:58:17,188 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:58:17,188 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:17" (3/3) ... [2021-10-28 23:58:17,190 INFO L389 chiAutomizerObserver]: Analyzing ICFG ConvLower.c [2021-10-28 23:58:17,254 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:58:17,255 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:58:17,255 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:58:17,255 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:58:17,255 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:58:17,255 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:58:17,256 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:58:17,256 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:58:17,270 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:17,290 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:58:17,290 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:17,290 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:17,296 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:58:17,296 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:58:17,297 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:58:17,297 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:17,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:58:17,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:17,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:17,299 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1] [2021-10-28 23:58:17,299 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:58:17,306 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 4#L10-2true [2021-10-28 23:58:17,306 INFO L793 eck$LassoCheckResult]: Loop: 4#L10-2true assume !!(main_~i~0 > 5); 6#L10true assume 10 != main_~i~0;main_~i~0 := main_~i~0 - 1; 4#L10-2true [2021-10-28 23:58:17,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:17,313 INFO L85 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2021-10-28 23:58:17,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:17,325 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873696466] [2021-10-28 23:58:17,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:17,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,408 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:17,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,433 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:17,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:17,439 INFO L85 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2021-10-28 23:58:17,439 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:17,440 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652768506] [2021-10-28 23:58:17,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:17,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,462 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,480 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:17,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:17,483 INFO L85 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2021-10-28 23:58:17,484 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:17,484 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566804996] [2021-10-28 23:58:17,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:17,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:17,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,497 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:17,510 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:17,607 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:17,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:17,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:17,608 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:17,608 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 23:58:17,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:17,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:17,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:17,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: ConvLower.c_Iteration1_Loop [2021-10-28 23:58:17,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:17,610 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:17,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:17,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:17,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:17,756 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:17,757 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 23:58:17,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:17,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:17,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:17,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:17,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:17,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:58:17,838 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:17,838 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: [] [2021-10-28 23:58:17,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:17,878 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:17,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:17,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:17,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:58:17,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:17,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:17,921 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 23:58:17,921 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: [] [2021-10-28 23:58:17,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:17,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:17,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:17,965 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:17,972 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 23:58:17,972 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:17,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:58:18,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:18,043 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:58:18,083 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 23:58:18,083 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 23:58:18,180 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 23:58:18,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,192 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:58:18,192 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:58:18,193 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:58:18,193 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:58:18,193 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:58:18,193 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,193 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:58:18,193 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:58:18,193 INFO L133 ssoRankerPreferences]: Filename of dumped script: ConvLower.c_Iteration1_Loop [2021-10-28 23:58:18,194 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:58:18,194 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:58:18,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:18,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:18,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:58:18,332 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:58:18,336 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:58:18,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:18,346 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:58:18,352 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 [2021-10-28 23:58:18,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:18,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:18,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:18,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:18,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:18,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:58:18,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:18,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,422 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:18,423 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:58:18,425 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 [2021-10-28 23:58:18,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:18,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:18,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:58:18,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:18,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:58:18,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:58:18,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:58:18,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:18,492 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:58:18,507 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 [2021-10-28 23:58:18,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:58:18,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:58:18,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:58:18,517 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:58:18,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:58:18,520 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-10-28 23:58:18,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:58:18,542 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:58:18,546 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-10-28 23:58:18,546 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-28 23:58:18,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:58:18,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:58:18,549 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:58:18,551 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:58:18,551 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 23:58:18,551 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:58:18,552 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 23:58:18,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:58:18,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:18,588 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 23:58:18,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:18,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:58:18,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:58:18,661 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:58:18,661 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:58:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:58:18,724 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 23:58:18,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.5) internal successors, (9), 6 states have internal predecessors, (9), 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 1.0) internal successors, (3), 2 states have internal predecessors, (3), 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 20 states and 28 transitions. Complement of second has 7 states. [2021-10-28 23:58:18,783 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 [2021-10-28 23:58:18,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:58:18,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2021-10-28 23:58:18,787 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 2 letters. [2021-10-28 23:58:18,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:18,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 23:58:18,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:18,790 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 1 letters. Loop has 4 letters. [2021-10-28 23:58:18,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:58:18,791 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 28 transitions. [2021-10-28 23:58:18,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:58:18,796 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 8 states and 11 transitions. [2021-10-28 23:58:18,797 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 4 [2021-10-28 23:58:18,798 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2021-10-28 23:58:18,798 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2021-10-28 23:58:18,798 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:58:18,798 INFO L681 BuchiCegarLoop]: Abstraction has 8 states and 11 transitions. [2021-10-28 23:58:18,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2021-10-28 23:58:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2021-10-28 23:58:18,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 6 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) [2021-10-28 23:58:18,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 10 transitions. [2021-10-28 23:58:18,818 INFO L704 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 23:58:18,818 INFO L587 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2021-10-28 23:58:18,818 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:58:18,818 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 10 transitions. [2021-10-28 23:58:18,819 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:58:18,819 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:58:18,819 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:58:18,819 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:58:18,819 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:58:18,820 INFO L791 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 68#L10-2 assume !!(main_~i~0 > 5); 64#L10 [2021-10-28 23:58:18,820 INFO L793 eck$LassoCheckResult]: Loop: 64#L10 assume !(10 != main_~i~0); 63#L10-2 assume !!(main_~i~0 > 5); 64#L10 [2021-10-28 23:58:18,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,820 INFO L85 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2021-10-28 23:58:18,820 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:18,821 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040277935] [2021-10-28 23:58:18,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:18,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:18,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,825 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:18,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,829 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:18,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1436, now seen corresponding path program 1 times [2021-10-28 23:58:18,830 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:18,830 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882729729] [2021-10-28 23:58:18,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:18,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:18,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,836 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:18,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,838 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:18,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:58:18,839 INFO L85 PathProgramCache]: Analyzing trace with hash 963397, now seen corresponding path program 1 times [2021-10-28 23:58:18,839 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:58:18,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499741625] [2021-10-28 23:58:18,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:58:18,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:58:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,844 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:58:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:58:18,847 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:58:18,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:58:18 BoogieIcfgContainer [2021-10-28 23:58:18,893 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:58:18,893 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:58:18,894 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:58:18,894 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:58:18,894 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:17" (3/4) ... [2021-10-28 23:58:18,897 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-10-28 23:58:18,926 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:58:18,926 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:58:18,927 INFO L168 Benchmark]: Toolchain (without parser) took 2288.52 ms. Allocated memory is still 94.4 MB. Free memory was 58.8 MB in the beginning and 46.9 MB in the end (delta: 11.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,928 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:18,929 INFO L168 Benchmark]: CACSL2BoogieTranslator took 234.77 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 72.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,929 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 71.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:58:18,930 INFO L168 Benchmark]: Boogie Preprocessor took 19.04 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 70.2 MB in the end (delta: 791.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,930 INFO L168 Benchmark]: RCFGBuilder took 244.79 ms. Allocated memory is still 94.4 MB. Free memory was 70.0 MB in the beginning and 62.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,931 INFO L168 Benchmark]: BuchiAutomizer took 1713.89 ms. Allocated memory is still 94.4 MB. Free memory was 62.5 MB in the beginning and 48.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,931 INFO L168 Benchmark]: Witness Printer took 32.49 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 46.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:58:18,934 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 94.4 MB. Free memory was 74.7 MB in the beginning and 74.7 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 234.77 ms. Allocated memory is still 94.4 MB. Free memory was 58.6 MB in the beginning and 72.3 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.34 ms. Allocated memory is still 94.4 MB. Free memory was 72.3 MB in the beginning and 71.0 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.04 ms. Allocated memory is still 94.4 MB. Free memory was 71.0 MB in the beginning and 70.2 MB in the end (delta: 791.7 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 244.79 ms. Allocated memory is still 94.4 MB. Free memory was 70.0 MB in the beginning and 62.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1713.89 ms. Allocated memory is still 94.4 MB. Free memory was 62.5 MB in the beginning and 48.6 MB in the end (delta: 13.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * Witness Printer took 32.49 ms. Allocated memory is still 94.4 MB. Free memory was 48.6 MB in the beginning and 46.9 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 5 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 0. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 7 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 7 SDslu, 6 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp53 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq171 hnf95 smp100 dnf165 smp92 tf105 neg94 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 60ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c1ed3ac=0, \result=0, i=10} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = __VERIFIER_nondet_int() [L9] COND TRUE i > 5 Loop: [L10] COND FALSE !(i != 10) [L9] COND TRUE i > 5 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:58:18,974 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:58:19,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a231c466-12da-4c8f-994c-1fdc3a6bf768/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...