./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/hhk2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9ad7fb26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/hhk2008.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU --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 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-9ad7fb2 [2021-11-02 22:09:30,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-02 22:09:30,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-02 22:09:30,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-02 22:09:30,744 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-02 22:09:30,745 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-02 22:09:30,747 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-02 22:09:30,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-02 22:09:30,753 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-02 22:09:30,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-02 22:09:30,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-02 22:09:30,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-02 22:09:30,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-02 22:09:30,760 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-02 22:09:30,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-02 22:09:30,765 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-02 22:09:30,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-02 22:09:30,773 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-02 22:09:30,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-02 22:09:30,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-02 22:09:30,796 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-02 22:09:30,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-02 22:09:30,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-02 22:09:30,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-02 22:09:30,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-02 22:09:30,808 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-02 22:09:30,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-02 22:09:30,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-02 22:09:30,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-02 22:09:30,812 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-02 22:09:30,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-02 22:09:30,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-02 22:09:30,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-02 22:09:30,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-02 22:09:30,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-02 22:09:30,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-02 22:09:30,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-02 22:09:30,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-02 22:09:30,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-02 22:09:30,821 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-02 22:09:30,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-02 22:09:30,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-02 22:09:30,854 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-02 22:09:30,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-02 22:09:30,855 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-02 22:09:30,855 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-02 22:09:30,856 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-02 22:09:30,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-02 22:09:30,857 INFO L138 SettingsManager]: * Use SBE=true [2021-11-02 22:09:30,857 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-02 22:09:30,857 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-02 22:09:30,858 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-02 22:09:30,858 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-02 22:09:30,858 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-02 22:09:30,858 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-02 22:09:30,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-02 22:09:30,859 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-02 22:09:30,859 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-02 22:09:30,859 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-02 22:09:30,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-02 22:09:30,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-02 22:09:30,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-02 22:09:30,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-02 22:09:30,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-02 22:09:30,860 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-02 22:09:30,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-02 22:09:30,861 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-02 22:09:30,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-02 22:09:30,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-02 22:09:30,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-02 22:09:30,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-02 22:09:30,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-02 22:09:30,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-02 22:09:30,862 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-02 22:09:30,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-02 22:09:30,864 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_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71a7284f447428ecffa93ec68ad1c6e5855fc63e0841f7f396bb4f1c281c6b13 [2021-11-02 22:09:31,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-02 22:09:31,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-02 22:09:31,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-02 22:09:31,324 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-02 22:09:31,325 INFO L275 PluginConnector]: CDTParser initialized [2021-11-02 22:09:31,327 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/../../sv-benchmarks/c/loop-lit/hhk2008.i [2021-11-02 22:09:31,453 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/data/4f3c11774/521cc728b3444254851595fc1bacd2b8/FLAG3e9f32223 [2021-11-02 22:09:32,115 INFO L306 CDTParser]: Found 1 translation units. [2021-11-02 22:09:32,115 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/sv-benchmarks/c/loop-lit/hhk2008.i [2021-11-02 22:09:32,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/data/4f3c11774/521cc728b3444254851595fc1bacd2b8/FLAG3e9f32223 [2021-11-02 22:09:32,469 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/data/4f3c11774/521cc728b3444254851595fc1bacd2b8 [2021-11-02 22:09:32,471 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-02 22:09:32,473 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-02 22:09:32,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-02 22:09:32,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-02 22:09:32,483 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-02 22:09:32,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51d81c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32, skipping insertion in model container [2021-11-02 22:09:32,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,494 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-02 22:09:32,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-02 22:09:32,654 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_38de190c-a179-41ff-9fe6-350d145464d7/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-11-02 22:09:32,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:09:32,672 INFO L203 MainTranslator]: Completed pre-run [2021-11-02 22:09:32,685 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_38de190c-a179-41ff-9fe6-350d145464d7/sv-benchmarks/c/loop-lit/hhk2008.i[895,908] [2021-11-02 22:09:32,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-02 22:09:32,721 INFO L208 MainTranslator]: Completed translation [2021-11-02 22:09:32,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32 WrapperNode [2021-11-02 22:09:32,721 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-02 22:09:32,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-02 22:09:32,723 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-02 22:09:32,723 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-02 22:09:32,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,739 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,759 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-02 22:09:32,760 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-02 22:09:32,760 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-02 22:09:32,760 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-02 22:09:32,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,769 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,771 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,779 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,781 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-02 22:09:32,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-02 22:09:32,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-02 22:09:32,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-02 22:09:32,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (1/1) ... [2021-11-02 22:09:32,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:32,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:32,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:32,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-02 22:09:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-02 22:09:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-02 22:09:32,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-02 22:09:32,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-02 22:09:33,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-02 22:09:33,158 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-02 22:09:33,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:33 BoogieIcfgContainer [2021-11-02 22:09:33,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-02 22:09:33,161 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-02 22:09:33,162 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-02 22:09:33,165 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-02 22:09:33,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:33,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 10:09:32" (1/3) ... [2021-11-02 22:09:33,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e6b6c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:09:33, skipping insertion in model container [2021-11-02 22:09:33,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:33,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 10:09:32" (2/3) ... [2021-11-02 22:09:33,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e6b6c91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 10:09:33, skipping insertion in model container [2021-11-02 22:09:33,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-02 22:09:33,170 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:33" (3/3) ... [2021-11-02 22:09:33,172 INFO L389 chiAutomizerObserver]: Analyzing ICFG hhk2008.i [2021-11-02 22:09:33,248 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-02 22:09:33,249 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-02 22:09:33,249 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-02 22:09:33,249 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-02 22:09:33,249 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-02 22:09:33,250 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-02 22:09:33,250 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-02 22:09:33,250 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-02 22:09:33,279 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-11-02 22:09:33,298 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-02 22:09:33,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:33,298 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:33,305 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-02 22:09:33,305 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-02 22:09:33,306 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-02 22:09:33,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 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) [2021-11-02 22:09:33,308 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-02 22:09:33,309 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-02 22:09:33,309 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-02 22:09:33,310 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-02 22:09:33,310 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-02 22:09:33,317 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 11#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~a~0, main_~b~0, main_~res~0, main_~cnt~0;main_~a~0 := main_#t~nondet3;havoc main_#t~nondet3;main_~b~0 := main_#t~nondet4;havoc main_#t~nondet4;havoc main_~res~0;havoc main_~cnt~0; 9#L28true assume !!(main_~a~0 <= 1000000); 10#L29true assume !!(0 <= main_~b~0 && main_~b~0 <= 1000000);main_~res~0 := main_~a~0;main_~cnt~0 := main_~b~0; 3#L32-2true [2021-11-02 22:09:33,318 INFO L793 eck$LassoCheckResult]: Loop: 3#L32-2true assume !!(main_~cnt~0 > 0);main_~cnt~0 := main_~cnt~0 - 1;main_~res~0 := 1 + main_~res~0; 3#L32-2true [2021-11-02 22:09:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:33,340 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-02 22:09:33,349 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:33,350 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626658654] [2021-11-02 22:09:33,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:33,352 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:33,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,527 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,587 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:33,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:33,601 INFO L85 PathProgramCache]: Analyzing trace with hash 52, now seen corresponding path program 1 times [2021-11-02 22:09:33,601 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:33,602 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203952192] [2021-11-02 22:09:33,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:33,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:33,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,608 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:33,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,625 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:33,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:33,627 INFO L85 PathProgramCache]: Analyzing trace with hash 28695853, now seen corresponding path program 1 times [2021-11-02 22:09:33,627 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-02 22:09:33,628 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202490798] [2021-11-02 22:09:33,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-02 22:09:33,629 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-02 22:09:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,669 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-02 22:09:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-02 22:09:33,727 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-02 22:09:33,838 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:09:33,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:09:33,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:09:33,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:09:33,841 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-02 22:09:33,841 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:33,841 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:09:33,841 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:09:33,842 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-11-02 22:09:33,842 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:09:33,843 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:09:33,864 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:33,880 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:33,938 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:09:33,939 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-02 22:09:33,941 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:33,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:33,950 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:33,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-02 22:09:33,955 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-02 22:09:33,955 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:09:34,017 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:34,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:34,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:34,020 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:34,028 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-02 22:09:34,028 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-02 22:09:34,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-02 22:09:34,097 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-02 22:09:34,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:34,106 INFO L210 LassoAnalysis]: Preferences: [2021-11-02 22:09:34,107 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-02 22:09:34,107 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-02 22:09:34,107 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-02 22:09:34,107 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-02 22:09:34,107 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:34,108 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-02 22:09:34,108 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-02 22:09:34,108 INFO L133 ssoRankerPreferences]: Filename of dumped script: hhk2008.i_Iteration1_Loop [2021-11-02 22:09:34,108 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-02 22:09:34,108 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-02 22:09:34,110 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:34,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-02 22:09:34,161 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-02 22:09:34,166 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-02 22:09:34,168 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:34,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:34,169 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:34,175 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 [2021-11-02 22:09:34,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-02 22:09:34,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-02 22:09:34,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-02 22:09:34,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-02 22:09:34,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-02 22:09:34,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-02 22:09:34,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-02 22:09:34,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-02 22:09:34,210 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-02 22:09:34,223 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-02 22:09:34,223 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-02 22:09:34,224 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-02 22:09:34,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 [2021-11-02 22:09:34,244 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-02 22:09:34,254 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-02 22:09:34,255 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-02 22:09:34,255 INFO L513 LassoAnalysis]: Proved termination. [2021-11-02 22:09:34,256 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~cnt~0) = 1*ULTIMATE.start_main_~cnt~0 Supporting invariants [] [2021-11-02 22:09:34,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-02 22:09:34,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:34,296 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-02 22:09:34,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-02 22:09:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:34,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-02 22:09:34,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:34,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-02 22:09:34,401 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-02 22:09:34,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-02 22:09:34,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-02 22:09:34,436 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 [2021-11-02 22:09:34,437 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:34,513 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.4545454545454546) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 36 transitions. Complement of second has 5 states. [2021-11-02 22:09:34,514 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 [2021-11-02 22:09:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-02 22:09:34,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 25 transitions. [2021-11-02 22:09:34,519 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 1 letters. [2021-11-02 22:09:34,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:34,520 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 5 letters. Loop has 1 letters. [2021-11-02 22:09:34,520 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:34,521 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 25 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-02 22:09:34,521 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-02 22:09:34,522 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2021-11-02 22:09:34,526 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:09:34,529 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-11-02 22:09:34,531 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-02 22:09:34,531 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-02 22:09:34,532 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-02 22:09:34,532 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-02 22:09:34,532 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:09:34,533 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:09:34,533 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-02 22:09:34,533 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-02 22:09:34,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-02 22:09:34,533 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-02 22:09:34,534 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-02 22:09:34,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 10:09:34 BoogieIcfgContainer [2021-11-02 22:09:34,543 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-02 22:09:34,544 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-02 22:09:34,544 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-02 22:09:34,544 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-02 22:09:34,545 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 10:09:33" (3/4) ... [2021-11-02 22:09:34,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-02 22:09:34,549 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-02 22:09:34,551 INFO L168 Benchmark]: Toolchain (without parser) took 2076.88 ms. Allocated memory is still 102.8 MB. Free memory was 64.6 MB in the beginning and 52.1 MB in the end (delta: 12.5 MB). Peak memory consumption was 10.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:09:34,552 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 80.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:09:34,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.18 ms. Allocated memory is still 102.8 MB. Free memory was 64.4 MB in the beginning and 81.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:09:34,554 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.72 ms. Allocated memory is still 102.8 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-02 22:09:34,555 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:09:34,556 INFO L168 Benchmark]: RCFGBuilder took 378.42 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 69.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-02 22:09:34,557 INFO L168 Benchmark]: BuchiAutomizer took 1381.52 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 52.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. [2021-11-02 22:09:34,558 INFO L168 Benchmark]: Witness Printer took 5.41 ms. Allocated memory is still 102.8 MB. Free memory was 52.6 MB in the beginning and 52.1 MB in the end (delta: 498.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-02 22:09:34,563 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 102.8 MB. Free memory is still 80.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 244.18 ms. Allocated memory is still 102.8 MB. Free memory was 64.4 MB in the beginning and 81.0 MB in the end (delta: -16.5 MB). Peak memory consumption was 11.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.72 ms. Allocated memory is still 102.8 MB. Free memory was 81.0 MB in the beginning and 79.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 21.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.7 MB in the beginning and 78.6 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 378.42 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 69.8 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1381.52 ms. Allocated memory is still 102.8 MB. Free memory was 69.8 MB in the beginning and 52.6 MB in the end (delta: 17.2 MB). Peak memory consumption was 15.8 MB. Max. memory is 16.1 GB. * Witness Printer took 5.41 ms. Allocated memory is still 102.8 MB. Free memory was 52.6 MB in the beginning and 52.1 MB in the end (delta: 498.8 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 cnt and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 14 SDtfs, 14 SDslu, 6 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 88ms VariablesStem: 0 VariablesLoop: 2 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! [2021-11-02 22:09:34,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-02 22:09:34,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38de190c-a179-41ff-9fe6-350d145464d7/bin/uautomizer-tBqnrhUYjU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE