./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/gj2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/gj2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC --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 05ff204c30e7b81bf33f8a8c483906be16c1e587 ..................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 00:27:56,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 00:27:56,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 00:27:56,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 00:27:56,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 00:27:56,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 00:27:56,461 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 00:27:56,466 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 00:27:56,469 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 00:27:56,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 00:27:56,477 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 00:27:56,478 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 00:27:56,479 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 00:27:56,482 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 00:27:56,483 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 00:27:56,485 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 00:27:56,487 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 00:27:56,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 00:27:56,494 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 00:27:56,502 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 00:27:56,504 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 00:27:56,506 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 00:27:56,509 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 00:27:56,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 00:27:56,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 00:27:56,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 00:27:56,521 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 00:27:56,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 00:27:56,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 00:27:56,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 00:27:56,526 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 00:27:56,527 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 00:27:56,529 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 00:27:56,530 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 00:27:56,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 00:27:56,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 00:27:56,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 00:27:56,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 00:27:56,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 00:27:56,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 00:27:56,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 00:27:56,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-11 00:27:56,569 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 00:27:56,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 00:27:56,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-11 00:27:56,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-11 00:27:56,578 INFO L138 SettingsManager]: * Use SBE=true [2021-10-11 00:27:56,578 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-11 00:27:56,579 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-11 00:27:56,579 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-11 00:27:56,579 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-11 00:27:56,579 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-11 00:27:56,580 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-11 00:27:56,581 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 00:27:56,581 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 00:27:56,581 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-11 00:27:56,581 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 00:27:56,582 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 00:27:56,582 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 00:27:56,582 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-11 00:27:56,582 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-11 00:27:56,582 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-11 00:27:56,583 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 00:27:56,583 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 00:27:56,583 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-11 00:27:56,583 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 00:27:56,584 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-11 00:27:56,584 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 00:27:56,584 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 00:27:56,584 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 00:27:56,585 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-11 00:27:56,586 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 00:27:56,588 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-11 00:27:56,588 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_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05ff204c30e7b81bf33f8a8c483906be16c1e587 [2021-10-11 00:27:56,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 00:27:56,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 00:27:56,978 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 00:27:56,979 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 00:27:56,982 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 00:27:56,984 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/../../sv-benchmarks/c/loop-lit/gj2007.i [2021-10-11 00:27:57,056 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/data/b58350958/c3e24c680d9747ddacfdab9966b00261/FLAG136e12eeb [2021-10-11 00:27:57,603 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 00:27:57,603 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/sv-benchmarks/c/loop-lit/gj2007.i [2021-10-11 00:27:57,609 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/data/b58350958/c3e24c680d9747ddacfdab9966b00261/FLAG136e12eeb [2021-10-11 00:27:58,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/data/b58350958/c3e24c680d9747ddacfdab9966b00261 [2021-10-11 00:27:58,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 00:27:58,079 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 00:27:58,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:58,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 00:27:58,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 00:27:58,086 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e13fa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58, skipping insertion in model container [2021-10-11 00:27:58,089 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,096 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 00:27:58,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 00:27:58,276 WARN L226 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_ea5538d3-480c-4857-9356-0ee555c4092a/sv-benchmarks/c/loop-lit/gj2007.i[895,908] [2021-10-11 00:27:58,282 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:58,291 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 00:27:58,303 WARN L226 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_ea5538d3-480c-4857-9356-0ee555c4092a/sv-benchmarks/c/loop-lit/gj2007.i[895,908] [2021-10-11 00:27:58,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 00:27:58,318 INFO L208 MainTranslator]: Completed translation [2021-10-11 00:27:58,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58 WrapperNode [2021-10-11 00:27:58,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 00:27:58,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:58,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 00:27:58,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 00:27:58,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 00:27:58,352 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 00:27:58,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 00:27:58,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 00:27:58,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,362 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,362 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,365 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... [2021-10-11 00:27:58,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 00:27:58,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 00:27:58,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 00:27:58,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 00:27:58,380 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 00:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 00:27:58,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 00:27:58,471 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 00:27:58,727 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 00:27:58,727 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-11 00:27:58,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58 BoogieIcfgContainer [2021-10-11 00:27:58,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 00:27:58,730 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-11 00:27:58,730 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-11 00:27:58,733 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-11 00:27:58,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:58,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 11.10 12:27:58" (1/3) ... [2021-10-11 00:27:58,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59d3f0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:27:58, skipping insertion in model container [2021-10-11 00:27:58,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:58,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 12:27:58" (2/3) ... [2021-10-11 00:27:58,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59d3f0d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 11.10 12:27:58, skipping insertion in model container [2021-10-11 00:27:58,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-11 00:27:58,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58" (3/3) ... [2021-10-11 00:27:58,742 INFO L389 chiAutomizerObserver]: Analyzing ICFG gj2007.i [2021-10-11 00:27:58,835 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-11 00:27:58,835 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-11 00:27:58,835 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-11 00:27:58,835 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 00:27:58,836 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 00:27:58,836 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-11 00:27:58,836 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 00:27:58,836 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-11 00:27:58,848 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:27:58,881 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:27:58,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:58,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:58,887 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:27:58,887 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:27:58,887 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-11 00:27:58,888 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2021-10-11 00:27:58,890 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-11 00:27:58,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-11 00:27:58,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-11 00:27:58,890 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-11 00:27:58,890 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-11 00:27:58,897 INFO L794 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); 3#L-1true havoc main_#res;havoc main_~x~0, main_~y~0;main_~x~0 := 0;main_~y~0 := 50; 4#L28-2true [2021-10-11 00:27:58,898 INFO L796 eck$LassoCheckResult]: Loop: 4#L28-2true assume !!(main_~x~0 < 100); 7#L28true assume !(main_~x~0 < 50);main_~x~0 := 1 + main_~x~0;main_~y~0 := 1 + main_~y~0; 4#L28-2true [2021-10-11 00:27:58,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:58,910 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-11 00:27:58,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:58,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836082880] [2021-10-11 00:27:58,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:59,038 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:59,073 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:59,096 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:59,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2021-10-11 00:27:59,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361315726] [2021-10-11 00:27:59,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:59,116 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:59,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 00:27:59,126 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 00:27:59,130 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-11 00:27:59,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,144 INFO L82 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2021-10-11 00:27:59,144 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-11 00:27:59,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892521857] [2021-10-11 00:27:59,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 00:27:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:27:59,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892521857] [2021-10-11 00:27:59,235 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 00:27:59,236 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 00:27:59,236 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46722883] [2021-10-11 00:27:59,351 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:27:59,352 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:27:59,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:27:59,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:27:59,353 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-11 00:27:59,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:27:59,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:27:59,354 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2021-10-11 00:27:59,354 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:27:59,354 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:27:59,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:59,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:59,482 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:27:59,483 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:59,493 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:27:59,493 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:59,557 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:27:59,557 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,594 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-11 00:27:59,595 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0=0} Honda state: {ULTIMATE.start_main_~y~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0=0}, {ULTIMATE.start_main_~y~0=-4}, {ULTIMATE.start_main_~y~0=5}] Lambdas: [14, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,619 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-11 00:27:59,620 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,661 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-11 00:27:59,661 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-11 00:27:59,688 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-11 00:27:59,715 INFO L210 LassoAnalysis]: Preferences: [2021-10-11 00:27:59,715 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-11 00:27:59,716 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-11 00:27:59,716 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-11 00:27:59,716 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-11 00:27:59,716 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,716 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-11 00:27:59,716 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-11 00:27:59,717 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007.i_Iteration1_Loop [2021-10-11 00:27:59,717 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-11 00:27:59,717 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2021-10-11 00:27:59,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:59,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-11 00:27:59,768 INFO L292 LassoAnalysis]: Preprocessing complete. [2021-10-11 00:27:59,773 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-11 00:27:59,791 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:59,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:27:59,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:59,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:59,795 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:59,795 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:27:59,797 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:27:59,798 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,817 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2021-10-11 00:27:59,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-11 00:27:59,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-11 00:27:59,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-11 00:27:59,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-11 00:27:59,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-11 00:27:59,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-11 00:27:59,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-11 00:27:59,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-11 00:27:59,906 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-11 00:27:59,906 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ea5538d3-480c-4857-9356-0ee555c4092a/bin/uautomizer-Z5i5R5N3CC/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-11 00:27:59,911 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-11 00:27:59,911 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-11 00:27:59,912 INFO L510 LassoAnalysis]: Proved termination. [2021-10-11 00:27:59,912 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 199 Supporting invariants [] [2021-10-11 00:27:59,941 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-11 00:27:59,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 00:27:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-11 00:27:59,981 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:27:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 00:27:59,994 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 00:27:59,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 00:28:00,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 00:28:00,026 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-11 00:28:00,027 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2021-10-11 00:28:00,071 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 34 transitions. Complement of second has 7 states. [2021-10-11 00:28:00,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-11 00:28:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-10-11 00:28:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2021-10-11 00:28:00,076 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-11 00:28:00,076 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:00,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-11 00:28:00,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:00,077 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-11 00:28:00,077 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-11 00:28:00,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 34 transitions. [2021-10-11 00:28:00,082 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:00,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-10-11 00:28:00,086 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:28:00,086 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:28:00,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:28:00,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:28:00,087 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,087 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,087 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-11 00:28:00,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-11 00:28:00,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-11 00:28:00,092 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 3 states. [2021-10-11 00:28:00,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 00:28:00,095 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2021-10-11 00:28:00,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 00:28:00,096 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2021-10-11 00:28:00,096 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:00,096 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 00:28:00,096 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-11 00:28:00,096 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-11 00:28:00,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-11 00:28:00,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-11 00:28:00,097 INFO L692 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,097 INFO L715 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,097 INFO L595 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 00:28:00,097 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-11 00:28:00,098 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-11 00:28:00,098 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-11 00:28:00,098 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-11 00:28:00,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 11.10 12:28:00 BoogieIcfgContainer [2021-10-11 00:28:00,104 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-11 00:28:00,104 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 00:28:00,104 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 00:28:00,105 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 00:28:00,105 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 12:27:58" (3/4) ... [2021-10-11 00:28:00,108 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 00:28:00,108 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 00:28:00,111 INFO L168 Benchmark]: Toolchain (without parser) took 2030.61 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 77.0 MB in the beginning and 75.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 34.7 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,112 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory was 61.5 MB in the beginning and 61.5 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:00,112 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.10 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 78.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,113 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 77.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:00,114 INFO L168 Benchmark]: Boogie Preprocessor took 19.76 ms. Allocated memory is still 104.9 MB. Free memory was 77.3 MB in the beginning and 76.3 MB in the end (delta: 972.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:00,115 INFO L168 Benchmark]: RCFGBuilder took 356.26 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 65.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,115 INFO L168 Benchmark]: BuchiAutomizer took 1374.14 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 65.8 MB in the beginning and 75.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. [2021-10-11 00:28:00,116 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 138.4 MB. Free memory is still 75.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 00:28:00,120 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 104.9 MB. Free memory was 61.5 MB in the beginning and 61.5 MB in the end (delta: 68.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.10 ms. Allocated memory is still 104.9 MB. Free memory was 76.9 MB in the beginning and 78.7 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.22 ms. Allocated memory is still 104.9 MB. Free memory was 78.7 MB in the beginning and 77.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.76 ms. Allocated memory is still 104.9 MB. Free memory was 77.3 MB in the beginning and 76.3 MB in the end (delta: 972.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 356.26 ms. Allocated memory is still 104.9 MB. Free memory was 76.2 MB in the beginning and 65.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1374.14 ms. Allocated memory was 104.9 MB in the beginning and 138.4 MB in the end (delta: 33.6 MB). Free memory was 65.8 MB in the beginning and 75.5 MB in the end (delta: -9.7 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.42 ms. Allocated memory is still 138.4 MB. Free memory is still 75.5 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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 199 and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. 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: 8 SDtfs, 8 SDslu, 12 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax100 hnf100 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 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! Received shutdown request...