./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3 --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 01f6eb21817013b641802ab6861c8631a3bc6c67 .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 20:13:35,405 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 20:13:35,407 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 20:13:35,458 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 20:13:35,459 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 20:13:35,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 20:13:35,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 20:13:35,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 20:13:35,473 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 20:13:35,482 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 20:13:35,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 20:13:35,485 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 20:13:35,486 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 20:13:35,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 20:13:35,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 20:13:35,501 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 20:13:35,502 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 20:13:35,503 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 20:13:35,505 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 20:13:35,508 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 20:13:35,510 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 20:13:35,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 20:13:35,517 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 20:13:35,518 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 20:13:35,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 20:13:35,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 20:13:35,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 20:13:35,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 20:13:35,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 20:13:35,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 20:13:35,529 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 20:13:35,530 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 20:13:35,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 20:13:35,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 20:13:35,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 20:13:35,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 20:13:35,535 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 20:13:35,535 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 20:13:35,535 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 20:13:35,536 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 20:13:35,537 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 20:13:35,539 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 20:13:35,596 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 20:13:35,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 20:13:35,597 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 20:13:35,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 20:13:35,599 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 20:13:35,599 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 20:13:35,600 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 20:13:35,600 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 20:13:35,600 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 20:13:35,600 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 20:13:35,601 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 20:13:35,602 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 20:13:35,602 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 20:13:35,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 20:13:35,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 20:13:35,603 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 20:13:35,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 20:13:35,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 20:13:35,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 20:13:35,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 20:13:35,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 20:13:35,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 20:13:35,604 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 20:13:35,604 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 20:13:35,604 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 20:13:35,605 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 20:13:35,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 20:13:35,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 20:13:35,605 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 20:13:35,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 20:13:35,606 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 20:13:35,606 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 20:13:35,608 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 20:13:35,608 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_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01f6eb21817013b641802ab6861c8631a3bc6c67 [2021-10-15 20:13:35,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 20:13:35,893 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 20:13:35,895 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 20:13:35,897 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 20:13:35,897 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 20:13:35,898 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2021-10-15 20:13:35,991 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/data/f72b61a21/94f588e6b83146e183f9ee5e19046277/FLAG0c36bfd62 [2021-10-15 20:13:36,448 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 20:13:36,449 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/sv-benchmarks/c/loop-lit/cggmp2005.i [2021-10-15 20:13:36,461 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/data/f72b61a21/94f588e6b83146e183f9ee5e19046277/FLAG0c36bfd62 [2021-10-15 20:13:36,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/data/f72b61a21/94f588e6b83146e183f9ee5e19046277 [2021-10-15 20:13:36,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 20:13:36,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 20:13:36,839 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 20:13:36,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 20:13:36,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 20:13:36,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:13:36" (1/1) ... [2021-10-15 20:13:36,847 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43a9cfe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:36, skipping insertion in model container [2021-10-15 20:13:36,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:13:36" (1/1) ... [2021-10-15 20:13:36,856 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 20:13:36,873 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 20:13:37,047 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_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-10-15 20:13:37,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:13:37,071 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 20:13:37,083 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_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-10-15 20:13:37,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 20:13:37,098 INFO L208 MainTranslator]: Completed translation [2021-10-15 20:13:37,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37 WrapperNode [2021-10-15 20:13:37,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 20:13:37,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 20:13:37,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 20:13:37,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 20:13:37,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,115 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,133 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 20:13:37,134 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 20:13:37,134 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 20:13:37,134 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 20:13:37,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,144 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,147 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,151 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,153 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 20:13:37,154 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 20:13:37,154 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 20:13:37,154 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 20:13:37,155 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (1/1) ... [2021-10-15 20:13:37,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:37,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:37,192 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:37,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 20:13:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 20:13:37,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 20:13:37,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 20:13:37,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 20:13:37,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 20:13:37,474 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-15 20:13:37,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:37 BoogieIcfgContainer [2021-10-15 20:13:37,476 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 20:13:37,477 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 20:13:37,477 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 20:13:37,482 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 20:13:37,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:13:37,483 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 08:13:36" (1/3) ... [2021-10-15 20:13:37,485 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49713171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:13:37, skipping insertion in model container [2021-10-15 20:13:37,485 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:13:37,485 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:13:37" (2/3) ... [2021-10-15 20:13:37,486 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49713171 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 08:13:37, skipping insertion in model container [2021-10-15 20:13:37,486 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 20:13:37,486 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:37" (3/3) ... [2021-10-15 20:13:37,488 INFO L389 chiAutomizerObserver]: Analyzing ICFG cggmp2005.i [2021-10-15 20:13:37,541 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 20:13:37,541 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 20:13:37,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 20:13:37,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 20:13:37,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 20:13:37,542 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 20:13:37,542 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 20:13:37,542 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 20:13:37,555 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-10-15 20:13:37,572 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:13:37,573 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:13:37,573 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:13:37,578 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:13:37,579 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 20:13:37,579 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 20:13:37,579 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-10-15 20:13:37,580 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-10-15 20:13:37,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 20:13:37,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 20:13:37,581 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-15 20:13:37,581 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-15 20:13:37,587 INFO L791 eck$LassoCheckResult]: Stem: 5#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); 10#L-1true havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 1;main_~j~0 := 10; 8#L28-2true [2021-10-15 20:13:37,588 INFO L793 eck$LassoCheckResult]: Loop: 8#L28-2true assume !!(main_~j~0 >= main_~i~0);main_~i~0 := 2 + main_~i~0;main_~j~0 := -1 + main_~j~0; 8#L28-2true [2021-10-15 20:13:37,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:37,594 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-15 20:13:37,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:13:37,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314280763] [2021-10-15 20:13:37,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:13:37,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:13:37,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,697 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:13:37,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,730 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:13:37,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:37,733 INFO L82 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-10-15 20:13:37,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:13:37,734 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599813205] [2021-10-15 20:13:37,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:13:37,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:13:37,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,741 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:13:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,748 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:13:37,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:37,750 INFO L82 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-10-15 20:13:37,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 20:13:37,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919926293] [2021-10-15 20:13:37,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 20:13:37,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 20:13:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,768 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 20:13:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 20:13:37,789 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 20:13:37,906 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:13:37,906 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:13:37,907 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:13:37,907 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:13:37,907 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 20:13:37,907 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:37,908 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:13:37,908 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:13:37,908 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-10-15 20:13:37,908 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:13:37,908 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:13:37,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:13:38,001 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:13:38,002 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 20:13:38,004 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:38,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:38,007 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:38,010 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 20:13:38,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 20:13:38,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 20:13:38,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 20:13:38,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:38,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:38,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:38,051 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 20:13:38,052 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 20:13:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 20:13:38,148 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 20:13:38,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-10-15 20:13:38,155 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 20:13:38,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 20:13:38,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 20:13:38,155 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 20:13:38,156 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 20:13:38,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:38,156 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 20:13:38,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 20:13:38,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-10-15 20:13:38,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 20:13:38,156 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 20:13:38,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 20:13:38,203 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 20:13:38,207 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 20:13:38,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:38,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:38,210 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:38,235 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 [2021-10-15 20:13:38,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 20:13:38,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 20:13:38,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 20:13:38,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 20:13:38,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 20:13:38,249 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 20:13:38,249 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 20:13:38,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 20:13:38,270 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 20:13:38,277 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 20:13:38,277 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-10-15 20:13:38,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 20:13:38,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 20:13:38,281 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 20:13:38,286 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 20:13:38,286 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 20:13:38,287 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 20:13:38,288 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~i~0 + 3 Supporting invariants [] [2021-10-15 20:13:38,304 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 20:13:38,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 20:13:38,324 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 20:13:38,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 20:13:38,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:13:38,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 20:13:38,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:13:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 20:13:38,419 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-15 20:13:38,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 20:13:38,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 20:13:38,438 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 [2021-10-15 20:13:38,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:13:38,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 5 states. [2021-10-15 20:13:38,512 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 [2021-10-15 20:13:38,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 20:13:38,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-10-15 20:13:38,517 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2021-10-15 20:13:38,517 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:13:38,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2021-10-15 20:13:38,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:13:38,518 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-15 20:13:38,518 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 20:13:38,519 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-10-15 20:13:38,524 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:13:38,527 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-10-15 20:13:38,529 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 20:13:38,529 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 20:13:38,530 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 20:13:38,530 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 20:13:38,530 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:13:38,530 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:13:38,531 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 20:13:38,531 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 20:13:38,532 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 20:13:38,532 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 20:13:38,533 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 20:13:38,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 08:13:38 BoogieIcfgContainer [2021-10-15 20:13:38,539 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 20:13:38,540 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 20:13:38,540 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 20:13:38,540 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 20:13:38,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:13:37" (3/4) ... [2021-10-15 20:13:38,544 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 20:13:38,544 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 20:13:38,546 INFO L168 Benchmark]: Toolchain (without parser) took 1710.35 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 66.6 MB in the beginning and 77.9 MB in the end (delta: -11.3 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:38,547 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:38,548 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.90 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 71.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:38,549 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.85 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:38,549 INFO L168 Benchmark]: Boogie Preprocessor took 19.75 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 69.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:38,550 INFO L168 Benchmark]: RCFGBuilder took 321.92 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 61.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:38,551 INFO L168 Benchmark]: BuchiAutomizer took 1062.18 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 78.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-15 20:13:38,552 INFO L168 Benchmark]: Witness Printer took 4.56 ms. Allocated memory is still 117.4 MB. Free memory was 78.2 MB in the beginning and 77.9 MB in the end (delta: 362.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 20:13:38,567 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 96.5 MB. Free memory is still 50.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.90 ms. Allocated memory is still 96.5 MB. Free memory was 66.4 MB in the beginning and 71.7 MB in the end (delta: -5.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.85 ms. Allocated memory is still 96.5 MB. Free memory was 71.7 MB in the beginning and 70.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.75 ms. Allocated memory is still 96.5 MB. Free memory was 70.4 MB in the beginning and 69.3 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 321.92 ms. Allocated memory is still 96.5 MB. Free memory was 69.3 MB in the beginning and 61.0 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1062.18 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 60.7 MB in the beginning and 78.2 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.56 ms. Allocated memory is still 117.4 MB. Free memory was 78.2 MB in the beginning and 77.9 MB in the end (delta: 362.2 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 2 * j + -2 * i + 3 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. 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: 7 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 26.3ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 78ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 20:13:38,666 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 20:13:38,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d9b8e8b-dc86-41a1-9f24-4f137b69019b/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...