./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg --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 d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 .......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:05:53,370 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:05:53,373 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:05:53,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:05:53,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:05:53,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:05:53,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:05:53,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:05:53,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:05:53,424 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:05:53,426 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:05:53,428 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:05:53,428 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:05:53,430 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:05:53,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:05:53,434 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:05:53,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:05:53,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:05:53,440 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:05:53,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:05:53,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:05:53,448 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:05:53,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:05:53,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:05:53,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:05:53,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:05:53,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:05:53,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:05:53,460 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:05:53,461 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:05:53,462 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:05:53,463 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:05:53,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:05:53,465 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:05:53,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:05:53,468 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:05:53,469 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:05:53,469 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:05:53,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:05:53,472 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:05:53,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:05:53,474 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:05:53,522 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:05:53,523 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:05:53,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:05:53,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:05:53,525 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:05:53,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:05:53,526 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:05:53,526 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:05:53,529 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:05:53,529 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:05:53,529 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:05:53,529 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:05:53,530 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:05:53,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:05:53,530 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:05:53,531 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:05:53,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:05:53,537 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:05:53,538 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:05:53,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:05:53,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:05:53,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:05:53,540 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:05:53,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:05:53,540 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:05:53,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:05:53,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:05:53,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:05:53,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:05:53,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:05:53,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:05:53,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:05:53,544 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:05:53,544 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_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d63924edab54dab3adf6fc30d0dae54d46ed57e9ae48bc8d03de12421cfd3603 [2021-10-28 09:05:53,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:05:53,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:05:53,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:05:53,939 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:05:53,940 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:05:53,941 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2021-10-28 09:05:54,049 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/data/90c0f0e38/7440cc0234b9464c9c16fdf0fad44186/FLAGd34313854 [2021-10-28 09:05:54,616 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:05:54,617 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2021-10-28 09:05:54,625 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/data/90c0f0e38/7440cc0234b9464c9c16fdf0fad44186/FLAGd34313854 [2021-10-28 09:05:54,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/data/90c0f0e38/7440cc0234b9464c9c16fdf0fad44186 [2021-10-28 09:05:54,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:05:54,982 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:05:54,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:05:54,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:05:54,991 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:05:54,992 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:54,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@329eff49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:54, skipping insertion in model container [2021-10-28 09:05:54,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:05:54" (1/1) ... [2021-10-28 09:05:55,001 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:05:55,020 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:05:55,236 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_455ea604-13e5-4ef9-a6a2-e2a032646282/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2021-10-28 09:05:55,244 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:05:55,253 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:05:55,269 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_455ea604-13e5-4ef9-a6a2-e2a032646282/sv-benchmarks/c/loop-lit/cggmp2005_variant.i[895,908] [2021-10-28 09:05:55,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:05:55,289 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:05:55,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55 WrapperNode [2021-10-28 09:05:55,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:05:55,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:05:55,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:05:55,292 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:05:55,299 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,307 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,329 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:05:55,330 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:05:55,330 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:05:55,330 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:05:55,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,340 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,352 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,354 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:05:55,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:05:55,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:05:55,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:05:55,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (1/1) ... [2021-10-28 09:05:55,372 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:55,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:55,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:55,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:05:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:05:55,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:05:55,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:05:55,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:05:55,679 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:05:55,679 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-28 09:05:55,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55 BoogieIcfgContainer [2021-10-28 09:05:55,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:05:55,683 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:05:55,684 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:05:55,688 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:05:55,689 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:05:54" (1/3) ... [2021-10-28 09:05:55,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6abfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:05:55, skipping insertion in model container [2021-10-28 09:05:55,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:05:55" (2/3) ... [2021-10-28 09:05:55,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6f6abfb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:05:55, skipping insertion in model container [2021-10-28 09:05:55,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:05:55,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55" (3/3) ... [2021-10-28 09:05:55,695 INFO L389 chiAutomizerObserver]: Analyzing ICFG cggmp2005_variant.i [2021-10-28 09:05:55,753 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:05:55,753 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:05:55,754 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:05:55,754 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:05:55,754 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:05:55,755 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:05:55,755 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:05:55,755 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:05:55,774 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 09:05:55,813 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:05:55,814 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:55,814 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:55,821 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:05:55,829 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:05:55,829 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:05:55,829 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 09:05:55,838 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-28 09:05:55,838 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:05:55,838 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:05:55,839 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:05:55,839 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-28 09:05:55,848 INFO L791 eck$LassoCheckResult]: Stem: 6#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_~lo~0, main_~mid~0, main_~hi~0;havoc main_~lo~0;havoc main_~mid~0;havoc main_~hi~0;main_~lo~0 := 0;main_~mid~0 := main_#t~nondet3;havoc main_#t~nondet3; 8#L28true assume !!(main_~mid~0 > 0 && main_~mid~0 <= 1000000);main_~hi~0 := 2 * main_~mid~0; 4#L30-2true [2021-10-28 09:05:55,848 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(main_~mid~0 > 0);main_~lo~0 := 1 + main_~lo~0;main_~hi~0 := main_~hi~0 - 1;main_~mid~0 := main_~mid~0 - 1; 4#L30-2true [2021-10-28 09:05:55,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:55,871 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:05:55,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:55,883 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003640305] [2021-10-28 09:05:55,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:55,884 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,028 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,115 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,120 INFO L85 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2021-10-28 09:05:56,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:56,137 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632607607] [2021-10-28 09:05:56,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:56,138 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,170 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,180 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:56,189 INFO L85 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2021-10-28 09:05:56,189 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:05:56,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479465584] [2021-10-28 09:05:56,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:05:56,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:05:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,245 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:05:56,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:05:56,312 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:05:56,468 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:56,469 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:56,469 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:56,470 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:56,470 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-28 09:05:56,470 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,470 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:56,471 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:56,471 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2021-10-28 09:05:56,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:56,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:56,496 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 09:05:56,508 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 09:05:56,518 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 09:05:56,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:56,599 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-28 09:05:56,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,605 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:56,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:05:56,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,689 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,692 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:56,699 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:05:56,747 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:56,747 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~lo~0=0} Honda state: {ULTIMATE.start_main_~lo~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~lo~0=0}, {ULTIMATE.start_main_~lo~0=1}, {ULTIMATE.start_main_~lo~0=0}] Lambdas: [14, 1, 0] Nus: [0, 0] [2021-10-28 09:05:56,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,787 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:05:56,795 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:56,796 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-10-28 09:05:56,839 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:05:56,858 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:56,858 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-28 09:05:56,908 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~hi~0=0} Honda state: {ULTIMATE.start_main_~hi~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~hi~0=-5}, {ULTIMATE.start_main_~hi~0=-2}, {ULTIMATE.start_main_~hi~0=6}] Lambdas: [1, 4, 1] Nus: [0, 1] [2021-10-28 09:05:56,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:56,951 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:56,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:56,953 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:56,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-28 09:05:56,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:56,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:05:57,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,036 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,038 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:05:57,041 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-28 09:05:57,041 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-28 09:05:57,113 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-28 09:05:57,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,125 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:05:57,126 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:05:57,126 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:05:57,126 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:05:57,126 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:05:57,126 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,127 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:05:57,127 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:05:57,127 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005_variant.i_Iteration1_Loop [2021-10-28 09:05:57,127 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:05:57,127 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:05:57,129 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 09:05:57,135 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 09:05:57,144 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 09:05:57,196 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:05:57,203 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:05:57,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,206 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,213 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 09:05:57,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:57,226 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:57,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:57,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:57,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:57,230 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:57,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:57,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:05:57,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:57,294 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,298 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,305 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 09:05:57,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:05:57,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:57,316 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:57,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:57,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:57,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:57,318 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:57,318 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:57,329 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:05:57,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,380 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,381 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,395 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 09:05:57,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:05:57,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:05:57,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:05:57,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:05:57,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:05:57,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:05:57,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:05:57,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:05:57,421 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:05:57,426 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-28 09:05:57,426 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-28 09:05:57,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:05:57,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:05:57,430 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:05:57,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:05:57,434 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:05:57,434 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-28 09:05:57,434 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:05:57,435 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~mid~0) = 1*ULTIMATE.start_main_~mid~0 Supporting invariants [] [2021-10-28 09:05:57,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,480 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-28 09:05:57,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:05:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:57,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:05:57,526 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:05:57,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:05:57,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:05:57,551 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 09:05:57,570 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-10-28 09:05:57,571 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:57,616 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 34 transitions. Complement of second has 5 states. [2021-10-28 09:05:57,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:05:57,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:05:57,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-28 09:05:57,622 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-28 09:05:57,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,623 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-28 09:05:57,623 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:05:57,624 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:05:57,625 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2021-10-28 09:05:57,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:05:57,632 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2021-10-28 09:05:57,633 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:05:57,633 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:05:57,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:05:57,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:05:57,634 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:05:57,635 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:05:57,635 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:05:57,635 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:05:57,635 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:05:57,635 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:05:57,635 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:05:57,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:05:57 BoogieIcfgContainer [2021-10-28 09:05:57,642 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:05:57,643 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:05:57,643 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:05:57,643 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:05:57,644 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:05:55" (3/4) ... [2021-10-28 09:05:57,648 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:05:57,648 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:05:57,650 INFO L168 Benchmark]: Toolchain (without parser) took 2666.62 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 58.3 MB in the beginning and 67.5 MB in the end (delta: -9.2 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:05:57,651 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.9 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:05:57,652 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.99 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 75.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:05:57,653 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:05:57,653 INFO L168 Benchmark]: Boogie Preprocessor took 23.87 ms. Allocated memory is still 100.7 MB. Free memory was 73.6 MB in the beginning and 72.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:05:57,654 INFO L168 Benchmark]: RCFGBuilder took 327.54 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 63.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:05:57,655 INFO L168 Benchmark]: BuchiAutomizer took 1958.97 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.8 MB in the beginning and 67.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:05:57,656 INFO L168 Benchmark]: Witness Printer took 4.97 ms. Allocated memory is still 121.6 MB. Free memory is still 67.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:05:57,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 100.7 MB. Free memory was 74.9 MB in the beginning and 74.9 MB in the end (delta: 53.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 305.99 ms. Allocated memory is still 100.7 MB. Free memory was 58.1 MB in the beginning and 75.0 MB in the end (delta: -16.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 38.08 ms. Allocated memory is still 100.7 MB. Free memory was 75.0 MB in the beginning and 73.6 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.87 ms. Allocated memory is still 100.7 MB. Free memory was 73.6 MB in the beginning and 72.6 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 327.54 ms. Allocated memory is still 100.7 MB. Free memory was 72.6 MB in the beginning and 63.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1958.97 ms. Allocated memory was 100.7 MB in the beginning and 121.6 MB in the end (delta: 21.0 MB). Free memory was 63.8 MB in the beginning and 67.5 MB in the end (delta: -3.6 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.97 ms. Allocated memory is still 121.6 MB. Free memory is still 67.5 MB. 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 mid and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 12 SDtfs, 12 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax100 hnf100 lsp50 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-28 09:05:57,728 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 09:05:57,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_455ea604-13e5-4ef9-a6a2-e2a032646282/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...