./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_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/IntPath.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/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 [2020-11-28 03:05:18,488 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:18,490 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:18,573 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:18,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:18,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:18,581 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:18,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:18,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:18,587 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:18,588 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:18,590 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:18,590 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:18,592 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:18,593 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:18,595 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:18,596 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:18,597 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:18,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:18,602 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:18,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:18,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:18,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:18,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:18,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:18,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:18,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:18,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:18,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:18,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:18,618 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:18,619 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:18,620 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:18,621 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:18,623 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:18,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:18,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:18,625 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:18,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:18,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:18,627 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:18,633 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-11-28 03:05:18,681 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:18,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:18,683 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:18,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:18,684 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:18,684 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:05:18,685 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:05:18,685 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:05:18,685 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:05:18,685 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:05:18,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:05:18,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:18,687 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:18,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:18,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:18,688 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:05:18,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:05:18,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:05:18,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:18,689 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:05:18,689 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:18,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:05:18,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:18,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:18,690 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:05:18,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:18,691 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:18,691 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:18,691 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:05:18,695 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:05:18,695 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_ae50f08a-a7f2-410f-9db3-72defad11a13/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d204ea6638a616c846b000f1a4abc2d6ee737a0e [2020-11-28 03:05:18,935 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:18,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:18,989 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:18,991 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:18,991 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:18,992 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-11-28 03:05:19,074 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/data/7aa656df3/01dc582b3af34b10aa86d33ba3b79311/FLAGf7b108d37 [2020-11-28 03:05:19,503 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:19,504 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/sv-benchmarks/c/termination-restricted-15/IntPath.c [2020-11-28 03:05:19,514 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/data/7aa656df3/01dc582b3af34b10aa86d33ba3b79311/FLAGf7b108d37 [2020-11-28 03:05:19,891 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/bin/uautomizer/data/7aa656df3/01dc582b3af34b10aa86d33ba3b79311 [2020-11-28 03:05:19,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:19,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:19,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:19,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:19,905 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:19,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:19" (1/1) ... [2020-11-28 03:05:19,908 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c3c6dd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:19, skipping insertion in model container [2020-11-28 03:05:19,908 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:19" (1/1) ... [2020-11-28 03:05:19,916 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:19,932 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:20,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:20,081 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:20,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:20,119 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:20,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20 WrapperNode [2020-11-28 03:05:20,120 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:20,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:20,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:20,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:20,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,136 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,158 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:20,159 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:20,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:20,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:20,168 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,169 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,169 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,184 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... [2020-11-28 03:05:20,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:20,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:20,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:20,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:20,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae50f08a-a7f2-410f-9db3-72defad11a13/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 [2020-11-28 03:05:20,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:20,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:20,424 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:20,424 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-28 03:05:20,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:20 BoogieIcfgContainer [2020-11-28 03:05:20,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:20,428 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:05:20,429 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:05:20,433 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:05:20,434 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:20,434 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:19" (1/3) ... [2020-11-28 03:05:20,435 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b76b140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:20, skipping insertion in model container [2020-11-28 03:05:20,436 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:20,436 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:20" (2/3) ... [2020-11-28 03:05:20,436 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b76b140 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:20, skipping insertion in model container [2020-11-28 03:05:20,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:20,437 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:20" (3/3) ... [2020-11-28 03:05:20,438 INFO L373 chiAutomizerObserver]: Analyzing ICFG IntPath.c [2020-11-28 03:05:20,511 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:05:20,512 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:05:20,512 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:05:20,512 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:20,512 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:20,512 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:05:20,513 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:20,513 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:05:20,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:05:20,542 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:20,542 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:20,542 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:20,548 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:05:20,548 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:05:20,548 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:05:20,549 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-28 03:05:20,550 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:20,550 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:20,550 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:20,550 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:05:20,551 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:05:20,557 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 [2020-11-28 03:05:20,558 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-1true assume !!(main_~x~0 == main_~y~0); 5#L18-1true [2020-11-28 03:05:20,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:20,566 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2020-11-28 03:05:20,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:20,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065955404] [2020-11-28 03:05:20,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:20,664 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:20,681 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:20,700 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:20,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:20,706 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 1 times [2020-11-28 03:05:20,706 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:20,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [588288048] [2020-11-28 03:05:20,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:20,719 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:20,722 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:20,725 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:20,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:20,736 INFO L82 PathProgramCache]: Analyzing trace with hash 30953, now seen corresponding path program 1 times [2020-11-28 03:05:20,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:20,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783383964] [2020-11-28 03:05:20,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:20,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:20,890 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783383964] [2020-11-28 03:05:20,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:20,891 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:20,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755689920] [2020-11-28 03:05:20,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:20,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:05:20,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:05:20,957 INFO L87 Difference]: Start difference. First operand 7 states. Second operand 4 states. [2020-11-28 03:05:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:21,020 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2020-11-28 03:05:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:05:21,023 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 12 transitions. [2020-11-28 03:05:21,024 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:21,027 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 3 states and 3 transitions. [2020-11-28 03:05:21,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2020-11-28 03:05:21,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2020-11-28 03:05:21,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3 transitions. [2020-11-28 03:05:21,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:05:21,029 INFO L691 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-28 03:05:21,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3 states and 3 transitions. [2020-11-28 03:05:21,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3 to 3. [2020-11-28 03:05:21,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:05:21,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3 transitions. [2020-11-28 03:05:21,054 INFO L714 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-28 03:05:21,054 INFO L594 BuchiCegarLoop]: Abstraction has 3 states and 3 transitions. [2020-11-28 03:05:21,054 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:05:21,055 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 3 states and 3 transitions. [2020-11-28 03:05:21,055 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-11-28 03:05:21,055 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:21,055 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:21,056 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:05:21,056 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-11-28 03:05:21,056 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 [2020-11-28 03:05:21,056 INFO L796 eck$LassoCheckResult]: Loop: 35#L18-1 assume !!(main_~x~0 == main_~y~0); 35#L18-1 [2020-11-28 03:05:21,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:21,057 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-11-28 03:05:21,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:21,058 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313298198] [2020-11-28 03:05:21,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:21,078 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:21,081 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:21,083 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:21,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:21,083 INFO L82 PathProgramCache]: Analyzing trace with hash 46, now seen corresponding path program 2 times [2020-11-28 03:05:21,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:21,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791654948] [2020-11-28 03:05:21,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:21,095 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:21,098 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:21,099 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:21,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:21,101 INFO L82 PathProgramCache]: Analyzing trace with hash 30891, now seen corresponding path program 1 times [2020-11-28 03:05:21,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:21,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317833563] [2020-11-28 03:05:21,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:05:21,137 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317833563] [2020-11-28 03:05:21,137 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:05:21,138 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-28 03:05:21,138 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272968787] [2020-11-28 03:05:21,145 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:05:21,146 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-28 03:05:21,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-11-28 03:05:21,146 INFO L87 Difference]: Start difference. First operand 3 states and 3 transitions. cyclomatic complexity: 1 Second operand 4 states. [2020-11-28 03:05:21,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:05:21,158 INFO L93 Difference]: Finished difference Result 3 states and 2 transitions. [2020-11-28 03:05:21,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-28 03:05:21,159 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 3 states and 2 transitions. [2020-11-28 03:05:21,159 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:21,160 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 3 states to 0 states and 0 transitions. [2020-11-28 03:05:21,160 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:05:21,160 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:05:21,160 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:05:21,160 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:05:21,160 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:21,160 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:21,160 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:21,160 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-11-28 03:05:21,161 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:21,161 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:21,161 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:05:21,166 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:21 BoogieIcfgContainer [2020-11-28 03:05:21,166 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:05:21,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:21,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:21,167 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:21,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:20" (3/4) ... [2020-11-28 03:05:21,176 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:21,176 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:21,179 INFO L168 Benchmark]: Toolchain (without parser) took 1281.76 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 55.8 MB in the beginning and 41.0 MB in the end (delta: 14.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:21,179 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:21,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.95 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 55.5 MB in the beginning and 80.6 MB in the end (delta: -25.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:21,181 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 100.7 MB. Free memory was 80.6 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:21,182 INFO L168 Benchmark]: Boogie Preprocessor took 27.41 ms. Allocated memory is still 100.7 MB. Free memory was 79.3 MB in the beginning and 78.7 MB in the end (delta: 626.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:21,183 INFO L168 Benchmark]: RCFGBuilder took 239.28 ms. Allocated memory is still 100.7 MB. Free memory was 78.7 MB in the beginning and 70.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:21,183 INFO L168 Benchmark]: BuchiAutomizer took 738.16 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 41.6 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:21,184 INFO L168 Benchmark]: Witness Printer took 9.66 ms. Allocated memory is still 100.7 MB. Free memory was 41.6 MB in the beginning and 41.0 MB in the end (delta: 627.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:21,194 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 83.9 MB. Free memory was 41.6 MB in the beginning and 41.5 MB in the end (delta: 56.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 222.95 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 55.5 MB in the beginning and 80.6 MB in the end (delta: -25.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 37.43 ms. Allocated memory is still 100.7 MB. Free memory was 80.6 MB in the beginning and 79.3 MB in the end (delta: 1.3 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.41 ms. Allocated memory is still 100.7 MB. Free memory was 79.3 MB in the beginning and 78.7 MB in the end (delta: 626.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 239.28 ms. Allocated memory is still 100.7 MB. Free memory was 78.7 MB in the beginning and 70.9 MB in the end (delta: 7.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 738.16 ms. Allocated memory is still 100.7 MB. Free memory was 70.3 MB in the beginning and 41.6 MB in the end (delta: 28.7 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 9.66 ms. Allocated memory is still 100.7 MB. Free memory was 41.6 MB in the beginning and 41.0 MB in the end (delta: 627.0 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...