./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be --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 32bit --witnessprinter.graph.data.programhash a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:11:15,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:11:15,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:11:15,377 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:11:15,377 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:11:15,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:11:15,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:11:15,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:11:15,390 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:11:15,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:11:15,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:11:15,394 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:11:15,395 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:11:15,396 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:11:15,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:11:15,399 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:11:15,401 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:11:15,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:11:15,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:11:15,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:11:15,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:11:15,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:11:15,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:11:15,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:11:15,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:11:15,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:11:15,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:11:15,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:11:15,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:11:15,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:11:15,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:11:15,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:11:15,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:11:15,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:11:15,445 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:11:15,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:11:15,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:11:15,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:11:15,447 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:11:15,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:11:15,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:11:15,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:11:15,506 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:11:15,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:11:15,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:11:15,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:11:15,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:11:15,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:11:15,517 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:11:15,517 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:11:15,517 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:11:15,518 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:11:15,519 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:11:15,519 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:11:15,519 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:11:15,520 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:11:15,520 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:11:15,520 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:11:15,520 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:11:15,521 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:11:15,521 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:11:15,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:11:15,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:11:15,522 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:11:15,522 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:11:15,522 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:11:15,522 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:11:15,522 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:11:15,525 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:11:15,525 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:11:15,525 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:11:15,526 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:11:15,526 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:11:15,526 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:11:15,527 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:11:15,528 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_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5dbdf40c5c8abdf745ea2973f48a7f1bd1d56b53cd410b7a2d364d83fc651a9 [2021-10-21 19:11:15,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:11:15,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:11:15,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:11:15,884 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:11:15,886 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:11:15,886 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loop-lit/gj2007b.i [2021-10-21 19:11:15,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/data/5ff913ae0/45cd49dd9b7746a8a23ed7936c582cda/FLAGb41e9b477 [2021-10-21 19:11:16,432 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:11:16,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/sv-benchmarks/c/loop-lit/gj2007b.i [2021-10-21 19:11:16,441 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/data/5ff913ae0/45cd49dd9b7746a8a23ed7936c582cda/FLAGb41e9b477 [2021-10-21 19:11:16,934 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/data/5ff913ae0/45cd49dd9b7746a8a23ed7936c582cda [2021-10-21 19:11:16,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:11:16,939 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:11:16,942 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:11:16,942 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:11:16,945 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:11:16,946 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:11:16" (1/1) ... [2021-10-21 19:11:16,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ff5ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:16, skipping insertion in model container [2021-10-21 19:11:16,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:11:16" (1/1) ... [2021-10-21 19:11:16,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:11:16,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:11:17,146 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2021-10-21 19:11:17,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:11:17,170 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:11:17,184 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/sv-benchmarks/c/loop-lit/gj2007b.i[895,908] [2021-10-21 19:11:17,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:11:17,211 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:11:17,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17 WrapperNode [2021-10-21 19:11:17,212 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:11:17,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:11:17,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:11:17,215 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:11:17,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,234 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:11:17,271 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:11:17,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:11:17,272 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:11:17,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,316 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:11:17,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:11:17,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:11:17,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:11:17,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (1/1) ... [2021-10-21 19:11:17,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:17,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:17,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:17,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:11:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:11:17,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:11:17,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:11:17,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:11:17,690 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:11:17,702 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-21 19:11:17,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:11:17 BoogieIcfgContainer [2021-10-21 19:11:17,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:11:17,706 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:11:17,706 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:11:17,709 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:11:17,710 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:11:17,711 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:11:16" (1/3) ... [2021-10-21 19:11:17,712 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6200516a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:11:17, skipping insertion in model container [2021-10-21 19:11:17,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:11:17,713 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:11:17" (2/3) ... [2021-10-21 19:11:17,713 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6200516a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:11:17, skipping insertion in model container [2021-10-21 19:11:17,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:11:17,714 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:11:17" (3/3) ... [2021-10-21 19:11:17,715 INFO L389 chiAutomizerObserver]: Analyzing ICFG gj2007b.i [2021-10-21 19:11:17,778 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:11:17,779 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:11:17,779 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:11:17,779 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:11:17,779 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:11:17,779 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:11:17,779 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:11:17,780 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:11:17,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2021-10-21 19:11:17,820 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:11:17,820 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:11:17,821 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:11:17,827 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:11:17,827 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:11:17,827 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:11:17,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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) [2021-10-21 19:11:17,831 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 19:11:17,831 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:11:17,831 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:11:17,832 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:11:17,832 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:11:17,840 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 9#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~x~0, main_~m~0, main_~n~0;main_~x~0 := 0;main_~m~0 := 0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L28-2true [2021-10-21 19:11:17,840 INFO L793 eck$LassoCheckResult]: Loop: 8#L28-2true assume !!(main_~x~0 < main_~n~0); 7#L29true assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; 16#L29-2true main_~x~0 := 1 + main_~x~0; 8#L28-2true [2021-10-21 19:11:17,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:11:17,846 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:11:17,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:11:17,860 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954429240] [2021-10-21 19:11:17,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:11:17,862 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:11:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:17,950 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:11:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:17,987 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:11:17,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:11:17,991 INFO L82 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2021-10-21 19:11:17,991 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:11:17,991 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309856079] [2021-10-21 19:11:17,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:11:17,992 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:11:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:17,999 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:11:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:18,006 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:11:18,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:11:18,008 INFO L82 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2021-10-21 19:11:18,009 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:11:18,009 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123252266] [2021-10-21 19:11:18,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:11:18,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:11:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:18,027 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:11:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:11:18,047 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:11:18,172 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:11:18,172 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:11:18,172 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:11:18,173 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:11:18,173 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:11:18,173 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,173 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:11:18,173 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:11:18,173 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2021-10-21 19:11:18,174 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:11:18,174 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:11:18,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:11:18,223 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:11:18,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:11:18,312 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:11:18,315 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,321 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:11:18,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:11:18,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:11:18,361 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:11:18,362 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:11:18,393 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:11:18,393 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,395 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,402 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:11:18,402 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:11:18,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:11:18,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:11:18,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,465 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,474 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:11:18,474 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:11:18,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:11:18,625 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 19:11:18,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-21 19:11:18,631 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:11:18,631 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:11:18,631 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:11:18,632 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:11:18,632 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:11:18,632 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,632 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:11:18,632 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:11:18,632 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2021-10-21 19:11:18,632 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:11:18,632 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:11:18,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:11:18,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:11:18,696 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:11:18,701 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:11:18,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,714 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,723 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 [2021-10-21 19:11:18,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:11:18,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:11:18,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:11:18,735 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:11:18,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:11:18,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:11:18,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:11:18,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:11:18,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:11:18,786 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:11:18,786 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,787 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:11:18,790 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 [2021-10-21 19:11:18,799 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:11:18,799 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:11:18,799 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:11:18,799 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:11:18,799 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:11:18,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:11:18,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:11:18,829 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:11:18,836 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 19:11:18,836 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:11:18,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:11:18,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:11:18,846 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:11:18,854 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:11:18,854 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 19:11:18,854 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:11:18,855 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2021-10-21 19:11:18,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:11:18,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:11:18,897 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 19:11:18,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:11:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:11:18,973 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 19:11:18,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:11:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:11:19,004 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:11:19,005 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:11:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:11:19,119 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 [2021-10-21 19:11:19,121 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-21 19:11:19,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:11:19,187 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 14 states have internal predecessors, (19), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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 38 states and 48 transitions. Complement of second has 7 states. [2021-10-21 19:11:19,188 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 [2021-10-21 19:11:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 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) [2021-10-21 19:11:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 30 transitions. [2021-10-21 19:11:19,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 3 letters. [2021-10-21 19:11:19,193 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:11:19,193 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 5 letters. Loop has 3 letters. [2021-10-21 19:11:19,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:11:19,194 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 30 transitions. Stem has 2 letters. Loop has 6 letters. [2021-10-21 19:11:19,194 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:11:19,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 48 transitions. [2021-10-21 19:11:19,199 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:11:19,202 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-10-21 19:11:19,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:11:19,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:11:19,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:11:19,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:11:19,204 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:11:19,204 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:11:19,205 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:11:19,205 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:11:19,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:11:19,205 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:11:19,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:11:19,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:11:19 BoogieIcfgContainer [2021-10-21 19:11:19,211 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:11:19,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:11:19,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:11:19,212 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:11:19,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:11:17" (3/4) ... [2021-10-21 19:11:19,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:11:19,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:11:19,218 INFO L168 Benchmark]: Toolchain (without parser) took 2278.34 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.5 MB in the beginning and 80.0 MB in the end (delta: -26.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:11:19,219 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:11:19,220 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.10 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.2 MB in the beginning and 84.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,220 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.84 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 83.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,221 INFO L168 Benchmark]: Boogie Preprocessor took 51.72 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 82.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,222 INFO L168 Benchmark]: RCFGBuilder took 380.87 ms. Allocated memory is still 109.1 MB. Free memory was 82.3 MB in the beginning and 73.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:11:19,223 INFO L168 Benchmark]: BuchiAutomizer took 1505.54 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 80.7 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:11:19,223 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 80.0 MB in the end (delta: 645.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:11:19,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 57.9 MB in the beginning and 57.9 MB in the end (delta: 21.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.10 ms. Allocated memory was 88.1 MB in the beginning and 109.1 MB in the end (delta: 21.0 MB). Free memory was 53.2 MB in the beginning and 84.9 MB in the end (delta: -31.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 56.84 ms. Allocated memory is still 109.1 MB. Free memory was 84.9 MB in the beginning and 83.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 51.72 ms. Allocated memory is still 109.1 MB. Free memory was 83.3 MB in the beginning and 82.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 380.87 ms. Allocated memory is still 109.1 MB. Free memory was 82.3 MB in the beginning and 73.4 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1505.54 ms. Allocated memory is still 109.1 MB. Free memory was 73.4 MB in the beginning and 80.7 MB in the end (delta: -7.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 109.1 MB. Free memory was 80.7 MB in the beginning and 80.0 MB in the end (delta: 645.3 kB). There was no memory consumed. 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). One deterministic module has affine ranking function n + -1 * x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 10 SDtfs, 13 SDslu, 15 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 51ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 19:11:19,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d2d3554-3b3d-4214-bb43-c8fe9cc6128a/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...