./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/IntPath.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer --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 64bit --witnessprinter.graph.data.programhash d204ea6638a616c846b000f1a4abc2d6ee737a0e ........................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:19:08,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:19:08,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:19:08,651 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:19:08,652 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:19:08,658 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:19:08,661 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:19:08,666 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:19:08,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:19:08,681 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:19:08,682 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:19:08,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:19:08,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:19:08,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:19:08,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:19:08,694 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:19:08,696 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:19:08,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:19:08,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:19:08,718 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:19:08,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:19:08,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:19:08,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:19:08,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:19:08,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:19:08,738 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:19:08,739 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:19:08,741 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:19:08,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:19:08,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:19:08,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:19:08,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:19:08,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:19:08,750 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:19:08,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:19:08,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:19:08,753 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:19:08,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:19:08,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:19:08,755 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:19:08,755 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:19:08,756 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-30 00:19:08,800 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:19:08,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:19:08,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:19:08,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:19:08,808 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:19:08,808 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:19:08,809 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:19:08,809 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:19:08,809 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:19:08,810 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:19:08,811 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:19:08,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:19:08,812 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:19:08,812 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:19:08,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:19:08,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:19:08,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:19:08,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:19:08,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:19:08,814 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:19:08,815 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:19:08,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:19:08,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:19:08,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:19:08,816 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:19:08,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:19:08,817 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:19:08,817 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:19:08,817 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:19:08,820 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:19:08,821 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-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d204ea6638a616c846b000f1a4abc2d6ee737a0e [2020-11-30 00:19:09,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:19:09,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:19:09,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:19:09,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:19:09,196 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:19:09,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-11-30 00:19:09,288 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/data/2bdf139ab/eed538a4adf34bfe986c1ac8b265e7b4/FLAG64cbc9f16 [2020-11-30 00:19:09,870 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:19:09,871 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-11-30 00:19:09,876 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/data/2bdf139ab/eed538a4adf34bfe986c1ac8b265e7b4/FLAG64cbc9f16 [2020-11-30 00:19:09,890 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/data/2bdf139ab/eed538a4adf34bfe986c1ac8b265e7b4 [2020-11-30 00:19:09,892 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:19:09,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:19:09,896 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:09,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:19:09,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:19:09,902 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:09" (1/1) ... [2020-11-30 00:19:09,904 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8abe90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:09, skipping insertion in model container [2020-11-30 00:19:09,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:19:09" (1/1) ... [2020-11-30 00:19:09,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:19:09,926 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:19:10,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:10,120 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:19:10,138 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:19:10,152 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:19:10,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10 WrapperNode [2020-11-30 00:19:10,153 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:19:10,155 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:10,155 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:19:10,155 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:19:10,164 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,168 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,183 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:19:10,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:19:10,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:19:10,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:19:10,193 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,195 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,195 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... [2020-11-30 00:19:10,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:19:10,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:19:10,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:19:10,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:19:10,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7e615507-1520-4cce-b66e-0cdb85cb914f/bin/uautomizer/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 [2020-11-30 00:19:10,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:19:10,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:19:10,428 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:19:10,428 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-30 00:19:10,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:10 BoogieIcfgContainer [2020-11-30 00:19:10,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:19:10,432 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:19:10,432 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:19:10,437 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:19:10,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:10,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:19:09" (1/3) ... [2020-11-30 00:19:10,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453b8cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:10, skipping insertion in model container [2020-11-30 00:19:10,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:10,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:19:10" (2/3) ... [2020-11-30 00:19:10,440 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@453b8cff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:19:10, skipping insertion in model container [2020-11-30 00:19:10,440 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:19:10,440 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:10" (3/3) ... [2020-11-30 00:19:10,441 INFO L373 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2020-11-30 00:19:10,509 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:19:10,509 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:19:10,509 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:19:10,510 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:19:10,510 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:19:10,510 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:19:10,510 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:19:10,510 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:19:10,523 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-30 00:19:10,540 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:19:10,540 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:10,541 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:10,546 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:19:10,546 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:19:10,546 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:19:10,547 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-30 00:19:10,548 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:19:10,548 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:10,548 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:10,549 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:19:10,549 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:19:10,556 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 7#L13true assume !(main_~i~0 > 10);main_~y~0 := 1; 5#L18-1true [2020-11-30 00:19:10,556 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true assume !!(main_~x~0 == main_~y~0); 5#L18-1true [2020-11-30 00:19:10,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:10,564 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-11-30 00:19:10,574 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:10,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051809037] [2020-11-30 00:19:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:10,649 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:10,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:10,671 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:10,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:10,673 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2020-11-30 00:19:10,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:10,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282557457] [2020-11-30 00:19:10,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:10,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:10,679 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:10,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:10,683 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:10,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:10,685 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2020-11-30 00:19:10,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:10,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83460956] [2020-11-30 00:19:10,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:10,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:10,872 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83460956] [2020-11-30 00:19:10,874 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:10,874 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:19:10,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098694327] [2020-11-30 00:19:10,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:19:10,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:19:10,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:19:10,933 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-11-30 00:19:11,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:11,001 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-30 00:19:11,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:19:11,004 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2020-11-30 00:19:11,005 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:19:11,009 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 3 states and 3 transitions. [2020-11-30 00:19:11,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-11-30 00:19:11,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-11-30 00:19:11,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-11-30 00:19:11,012 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:11,012 INFO L691 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-30 00:19:11,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-11-30 00:19:11,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-11-30 00:19:11,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-30 00:19:11,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-11-30 00:19:11,043 INFO L714 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-30 00:19:11,043 INFO L594 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-30 00:19:11,043 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-30 00:19:11,043 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-11-30 00:19:11,044 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-30 00:19:11,044 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:19:11,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:19:11,044 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-30 00:19:11,044 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-30 00:19:11,045 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := 0;main_~y~0 := 0; 34#L13 assume main_~i~0 > 10;main_~x~0 := 1; 35#L18-1 [2020-11-30 00:19:11,045 INFO L796 eck$LassoCheckResult]: Loop: 35#L18-1 assume !!(main_~x~0 == main_~y~0); 35#L18-1 [2020-11-30 00:19:11,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:11,046 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-11-30 00:19:11,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:11,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122762443] [2020-11-30 00:19:11,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:11,054 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:11,058 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:11,060 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:11,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:11,061 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2020-11-30 00:19:11,061 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:11,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801417288] [2020-11-30 00:19:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:11,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:11,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:19:11,069 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:19:11,070 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:19:11,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:19:11,071 INFO L82 PathProgramCache]: Analyzing trace with hash 30891, now seen corresponding path program 1 times [2020-11-30 00:19:11,071 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:19:11,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279428689] [2020-11-30 00:19:11,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:19:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:19:11,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:19:11,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279428689] [2020-11-30 00:19:11,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:19:11,121 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:19:11,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156477455] [2020-11-30 00:19:11,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:19:11,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-30 00:19:11,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-30 00:19:11,143 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 4 states. [2020-11-30 00:19:11,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:19:11,167 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2020-11-30 00:19:11,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-30 00:19:11,168 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. [2020-11-30 00:19:11,168 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:11,169 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-11-30 00:19:11,169 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-30 00:19:11,169 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-30 00:19:11,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-30 00:19:11,169 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-30 00:19:11,169 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:11,169 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:11,170 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-30 00:19:11,170 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-30 00:19:11,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-30 00:19:11,170 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-30 00:19:11,170 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-30 00:19:11,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:19:11 BoogieIcfgContainer [2020-11-30 00:19:11,176 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:19:11,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:19:11,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:19:11,177 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:19:11,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:19:10" (3/4) ... [2020-11-30 00:19:11,184 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:19:11,184 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:19:11,190 INFO L168 Benchmark]: Toolchain (without parser) took 1292.06 ms. Allocated memory is still 121.6 MB. Free memory was 91.6 MB in the beginning and 60.5 MB in the end (delta: 31.1 MB). Peak memory consumption was 28.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:11,191 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:11,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 257.73 ms. Allocated memory is still 121.6 MB. Free memory was 91.6 MB in the beginning and 100.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:11,195 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.86 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 98.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:11,197 INFO L168 Benchmark]: Boogie Preprocessor took 19.54 ms. Allocated memory is still 121.6 MB. Free memory was 98.9 MB in the beginning and 97.9 MB in the end (delta: 958.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:11,198 INFO L168 Benchmark]: RCFGBuilder took 225.78 ms. Allocated memory is still 121.6 MB. Free memory was 97.9 MB in the beginning and 90.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:11,201 INFO L168 Benchmark]: BuchiAutomizer took 743.99 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 60.7 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:19:11,207 INFO L168 Benchmark]: Witness Printer took 8.14 ms. Allocated memory is still 121.6 MB. Free memory was 60.7 MB in the beginning and 60.5 MB in the end (delta: 188.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:19:11,211 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 86.0 MB. Free memory was 45.8 MB in the beginning and 45.8 MB in the end (delta: 1.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 257.73 ms. Allocated memory is still 121.6 MB. Free memory was 91.6 MB in the beginning and 100.4 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 28.86 ms. Allocated memory is still 121.6 MB. Free memory was 100.0 MB in the beginning and 98.9 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.54 ms. Allocated memory is still 121.6 MB. Free memory was 98.9 MB in the beginning and 97.9 MB in the end (delta: 958.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 225.78 ms. Allocated memory is still 121.6 MB. Free memory was 97.9 MB in the beginning and 90.1 MB in the end (delta: 7.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 743.99 ms. Allocated memory is still 121.6 MB. Free memory was 89.9 MB in the beginning and 60.7 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 8.14 ms. Allocated memory is still 121.6 MB. Free memory was 60.7 MB in the beginning and 60.5 MB in the end (delta: 188.7 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 3 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 10 SDslu, 6 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...