./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/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 32bit --witnessprinter.graph.data.programhash a34fcaedf289ed1419ae371aaeede0cd9385c2dc ................................................................................................................................................................................................................................................................................................................................................................................ 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 03:05:48,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:05:48,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:05:48,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:05:48,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:05:48,919 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:05:48,921 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:05:48,924 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:05:48,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:05:48,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:05:48,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:05:48,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:05:48,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:05:48,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:05:48,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:05:48,935 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:05:48,936 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:05:48,937 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:05:48,940 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:05:48,942 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:05:48,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:05:48,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:05:48,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:05:48,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:05:48,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:05:48,970 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:05:48,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:05:48,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:05:48,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:05:48,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:05:48,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:05:48,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:05:48,975 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:05:48,976 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:05:48,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:05:48,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:05:48,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:05:48,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:05:48,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:05:48,984 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:05:48,985 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:05:48,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:05:49,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:05:49,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:05:49,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:05:49,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:05:49,037 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:05:49,037 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:05:49,037 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:05:49,037 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:05:49,037 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:05:49,038 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:05:49,039 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:05:49,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:05:49,039 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:05:49,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:05:49,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:05:49,040 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:05:49,040 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:05:49,040 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:05:49,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:05:49,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:05:49,041 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:05:49,041 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:05:49,041 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:05:49,041 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:05:49,042 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:05:49,042 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:05:49,042 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:05:49,042 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:05:49,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:05:49,043 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:05:49,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:05:49,043 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:05:49,045 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:05:49,045 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_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a34fcaedf289ed1419ae371aaeede0cd9385c2dc [2020-11-28 03:05:49,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:05:49,332 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:05:49,342 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:05:49,349 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:05:49,350 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:05:49,357 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/../../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2020-11-28 03:05:49,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/data/fb2cfd043/51bbb87612364c7d8166db636f2fec3c/FLAGb5d8f049b [2020-11-28 03:05:49,874 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:05:49,874 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2020-11-28 03:05:49,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/data/fb2cfd043/51bbb87612364c7d8166db636f2fec3c/FLAGb5d8f049b [2020-11-28 03:05:50,271 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/data/fb2cfd043/51bbb87612364c7d8166db636f2fec3c [2020-11-28 03:05:50,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:05:50,275 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:05:50,277 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:50,277 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:05:50,281 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:05:50,282 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26848bdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50, skipping insertion in model container [2020-11-28 03:05:50,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:05:50,308 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:05:50,470 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:50,481 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:05:50,512 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:05:50,529 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:05:50,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50 WrapperNode [2020-11-28 03:05:50,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:05:50,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:50,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:05:50,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:05:50,542 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,551 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,571 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:05:50,571 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:05:50,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:05:50,572 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:05:50,579 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,582 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... [2020-11-28 03:05:50,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:05:50,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:05:50,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:05:50,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:05:50,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/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 03:05:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:05:50,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-28 03:05:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:05:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-28 03:05:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:05:50,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:05:50,680 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-28 03:05:50,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:05:50,907 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:05:50,907 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-11-28 03:05:50,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:50 BoogieIcfgContainer [2020-11-28 03:05:50,909 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:05:50,910 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:05:50,910 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:05:50,918 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:05:50,919 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:50,919 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:05:50" (1/3) ... [2020-11-28 03:05:50,921 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6306e216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:50, skipping insertion in model container [2020-11-28 03:05:50,921 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:50,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:50" (2/3) ... [2020-11-28 03:05:50,927 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6306e216 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:05:50, skipping insertion in model container [2020-11-28 03:05:50,927 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:05:50,928 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:50" (3/3) ... [2020-11-28 03:05:50,929 INFO L373 chiAutomizerObserver]: Analyzing ICFG array_2-1-simple.i [2020-11-28 03:05:51,010 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:05:51,010 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:05:51,010 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:05:51,010 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:05:51,010 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:05:51,010 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:05:51,011 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:05:51,011 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:05:51,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:05:51,068 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:05:51,069 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:51,069 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:51,075 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:05:51,076 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:05:51,076 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:05:51,076 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-11-28 03:05:51,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-11-28 03:05:51,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:05:51,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:05:51,079 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:05:51,079 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-11-28 03:05:51,086 INFO L794 eck$LassoCheckResult]: Stem: 9#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(12); 6#L-1true havoc main_#res;havoc main_#t~mem4, main_#t~post3, main_#t~mem5, main_#t~mem6, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#A~0.base);call write~unchecked~int(0, main_~#A~0.base, main_~#A~0.offset, 4);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#B~0.base);call write~unchecked~int(0, main_~#B~0.base, main_~#B~0.offset, 4);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 8#L24-3true [2020-11-28 03:05:51,086 INFO L796 eck$LassoCheckResult]: Loop: 8#L24-3true assume !!(main_~i~0 < 2048);call main_#t~mem4 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem4;havoc main_#t~mem4;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 10#L24-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 8#L24-3true [2020-11-28 03:05:51,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:51,092 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:05:51,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:51,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963012412] [2020-11-28 03:05:51,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,202 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,225 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,244 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:51,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:51,247 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-11-28 03:05:51,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:51,247 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020555942] [2020-11-28 03:05:51,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:51,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,259 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,267 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,273 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:51,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:51,275 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-11-28 03:05:51,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:05:51,276 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608161396] [2020-11-28 03:05:51,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:05:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,324 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:05:51,360 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:05:51,366 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:05:51,501 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-11-28 03:05:51,877 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-11-28 03:05:52,016 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-11-28 03:05:52,044 INFO L210 LassoAnalysis]: Preferences: [2020-11-28 03:05:52,045 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-11-28 03:05:52,045 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-11-28 03:05:52,045 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-11-28 03:05:52,045 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-11-28 03:05:52,046 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,046 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-11-28 03:05:52,046 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-11-28 03:05:52,046 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-1-simple.i_Iteration1_Lasso [2020-11-28 03:05:52,046 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-11-28 03:05:52,047 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-11-28 03:05:52,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,382 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-11-28 03:05:52,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-11-28 03:05:52,861 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-11-28 03:05:52,870 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/z3 Starting monitored process 2 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 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:52,889 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:52,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-11-28 03:05:52,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:52,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:52,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:52,894 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-11-28 03:05:52,894 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-11-28 03:05:52,900 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/z3 Starting monitored process 3 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:52,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-11-28 03:05:52,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-11-28 03:05:52,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-11-28 03:05:52,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-11-28 03:05:52,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-11-28 03:05:52,962 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-11-28 03:05:52,962 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-11-28 03:05:52,980 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-11-28 03:05:53,094 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-11-28 03:05:53,094 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5cb4b52d-fed8-4745-ac6c-16f13628e5fb/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-11-28 03:05:53,099 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-28 03:05:53,116 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-11-28 03:05:53,117 INFO L510 LassoAnalysis]: Proved termination. [2020-11-28 03:05:53,117 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1, ULTIMATE.start_main_~i~0) = 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 - 8*ULTIMATE.start_main_~i~0 Supporting invariants [] [2020-11-28 03:05:53,195 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2020-11-28 03:05:53,203 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-11-28 03:05:53,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:05:53,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:53,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2020-11-28 03:05:53,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:53,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:05:53,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2020-11-28 03:05:53,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:05:53,294 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 03:05:53,314 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-11-28 03:05:53,316 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-11-28 03:05:53,375 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 28 states and 36 transitions. Complement of second has 8 states. [2020-11-28 03:05:53,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-11-28 03:05:53,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-11-28 03:05:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-11-28 03:05:53,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2020-11-28 03:05:53,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:53,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2020-11-28 03:05:53,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:53,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2020-11-28 03:05:53,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-11-28 03:05:53,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2020-11-28 03:05:53,386 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:53,389 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2020-11-28 03:05:53,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-11-28 03:05:53,391 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-11-28 03:05:53,392 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-11-28 03:05:53,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:05:53,392 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:53,392 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:53,392 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-28 03:05:53,393 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:05:53,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-11-28 03:05:53,393 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-28 03:05:53,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-28 03:05:53,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:05:53 BoogieIcfgContainer [2020-11-28 03:05:53,399 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:05:53,402 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:05:53,402 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:05:53,402 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:05:53,403 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:50" (3/4) ... [2020-11-28 03:05:53,406 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-28 03:05:53,406 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:05:53,408 INFO L168 Benchmark]: Toolchain (without parser) took 3131.32 ms. Allocated memory was 88.1 MB in the beginning and 136.3 MB in the end (delta: 48.2 MB). Free memory was 51.4 MB in the beginning and 62.8 MB in the end (delta: -11.4 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,410 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:53,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.88 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.2 MB in the beginning and 91.8 MB in the end (delta: -40.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,413 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 113.2 MB. Free memory was 91.7 MB in the beginning and 92.0 MB in the end (delta: -227.2 kB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,415 INFO L168 Benchmark]: Boogie Preprocessor took 25.29 ms. Allocated memory is still 113.2 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,415 INFO L168 Benchmark]: RCFGBuilder took 311.57 ms. Allocated memory is still 113.2 MB. Free memory was 90.6 MB in the beginning and 78.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,418 INFO L168 Benchmark]: BuchiAutomizer took 2488.84 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 77.3 MB in the beginning and 62.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:05:53,423 INFO L168 Benchmark]: Witness Printer took 4.35 ms. Allocated memory is still 136.3 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:05:53,430 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 88.1 MB. Free memory was 68.0 MB in the beginning and 67.9 MB in the end (delta: 44.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 252.88 ms. Allocated memory was 88.1 MB in the beginning and 113.2 MB in the end (delta: 25.2 MB). Free memory was 51.2 MB in the beginning and 91.8 MB in the end (delta: -40.6 MB). Peak memory consumption was 12.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.25 ms. Allocated memory is still 113.2 MB. Free memory was 91.7 MB in the beginning and 92.0 MB in the end (delta: -227.2 kB). Peak memory consumption was 2.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 25.29 ms. Allocated memory is still 113.2 MB. Free memory was 92.0 MB in the beginning and 90.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 311.57 ms. Allocated memory is still 113.2 MB. Free memory was 90.6 MB in the beginning and 78.0 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 2488.84 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 77.3 MB in the beginning and 62.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.1 GB. * Witness Printer took 4.35 ms. Allocated memory is still 136.3 MB. Free memory is still 62.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 4095 * unknown-#length-unknown[A] + -8 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital232 mio100 ax100 hnf100 lsp96 ukn54 mio100 lsp57 div100 bol100 ite100 ukn100 eq171 hnf80 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 182ms VariablesStem: 6 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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...