./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/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 0322173b3e50156a3157d6284ff4dd2480f2ac8d .................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:01:32,282 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:01:32,283 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:01:32,292 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:01:32,292 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:01:32,293 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:01:32,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:01:32,296 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:01:32,297 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:01:32,298 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:01:32,298 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:01:32,299 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:01:32,300 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:01:32,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:01:32,301 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:01:32,302 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:01:32,304 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:01:32,305 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:01:32,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:01:32,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:01:32,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:01:32,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:01:32,312 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:01:32,313 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:01:32,315 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:01:32,315 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:01:32,315 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:01:32,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:01:32,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:01:32,317 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:01:32,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:01:32,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:01:32,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:01:32,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:01:32,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:01:32,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:01:32,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:01:32,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:01:32,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:01:32,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:01:32,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:01:32,325 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:01:32,339 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:01:32,340 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:01:32,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:01:32,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:01:32,341 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:01:32,341 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:01:32,341 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:01:32,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:01:32,342 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:01:32,343 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:01:32,344 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:01:32,344 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:01:32,345 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:01:32,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:01:32,345 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:01:32,346 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:01:32,346 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/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 -> 0322173b3e50156a3157d6284ff4dd2480f2ac8d [2019-10-22 09:01:32,370 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:01:32,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:01:32,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:01:32,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:01:32,384 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:01:32,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2019-10-22 09:01:32,430 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/data/f38e1fcfd/2562059593c449e5b962c1c07ebb478d/FLAG485190758 [2019-10-22 09:01:32,809 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:01:32,809 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2019-10-22 09:01:32,815 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/data/f38e1fcfd/2562059593c449e5b962c1c07ebb478d/FLAG485190758 [2019-10-22 09:01:32,827 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/bin/uautomizer/data/f38e1fcfd/2562059593c449e5b962c1c07ebb478d [2019-10-22 09:01:32,830 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:01:32,831 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:01:32,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:32,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:01:32,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:01:32,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de3efe3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:32, skipping insertion in model container [2019-10-22 09:01:32,839 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:01:32" (1/1) ... [2019-10-22 09:01:32,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:01:32,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:01:33,059 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:33,074 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:01:33,089 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:01:33,102 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:01:33,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33 WrapperNode [2019-10-22 09:01:33,102 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:01:33,103 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:33,103 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:01:33,103 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:01:33,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,117 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:01:33,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:01:33,140 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:01:33,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:01:33,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,150 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,151 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,156 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,163 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... [2019-10-22 09:01:33,169 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:01:33,170 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:01:33,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:01:33,172 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:01:33,172 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1cf7adf0-09ed-4854-8a7a-26297aed1241/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 [2019-10-22 09:01:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 09:01:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:01:33,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:01:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:01:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 09:01:33,501 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:01:33,501 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-22 09:01:33,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33 BoogieIcfgContainer [2019-10-22 09:01:33,503 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:01:33,503 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:01:33,503 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:01:33,507 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:01:33,508 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:33,508 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:01:32" (1/3) ... [2019-10-22 09:01:33,509 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34408764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:33, skipping insertion in model container [2019-10-22 09:01:33,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:33,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:01:33" (2/3) ... [2019-10-22 09:01:33,510 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@34408764 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:01:33, skipping insertion in model container [2019-10-22 09:01:33,510 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:01:33,510 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33" (3/3) ... [2019-10-22 09:01:33,512 INFO L371 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-10-22 09:01:33,555 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:01:33,555 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:01:33,555 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:01:33,555 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:01:33,555 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:01:33,556 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:01:33,556 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:01:33,556 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:01:33,569 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-10-22 09:01:33,588 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:01:33,588 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:33,588 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:33,595 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 09:01:33,595 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-10-22 09:01:33,596 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:01:33,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-10-22 09:01:33,597 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-10-22 09:01:33,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:01:33,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:01:33,597 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 09:01:33,597 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-10-22 09:01:33,605 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~tmp~0.base, ~tmp~0.offset := 0, 0; 7#L-1true havoc main_#res;havoc main_#t~ret1, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 14#L18-4true [2019-10-22 09:01:33,605 INFO L793 eck$LassoCheckResult]: Loop: 14#L18-4true assume glob2_~p~0.base == glob2_~pathlim.base; 6#L18-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 15#L4true assume !(0 == __VERIFIER_assert_~cond); 10#L4-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 3#L18-3true glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post0.base, 4 + glob2_#t~post0.offset;havoc glob2_#t~post0.base, glob2_#t~post0.offset; 14#L18-4true [2019-10-22 09:01:33,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:33,610 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-10-22 09:01:33,617 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:33,617 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957857513] [2019-10-22 09:01:33,617 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,618 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,618 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:33,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,750 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:33,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:33,752 INFO L82 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2019-10-22 09:01:33,752 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:33,753 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46172427] [2019-10-22 09:01:33,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,754 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,754 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,782 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:33,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:33,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2019-10-22 09:01:33,785 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:01:33,785 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216269441] [2019-10-22 09:01:33,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,786 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:01:33,786 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:01:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:01:33,848 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:01:34,207 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-10-22 09:01:34,220 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 09:01:34,220 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 09:01:34,221 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 09:01:34,221 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 09:01:34,221 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 09:01:34,221 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 09:01:34,222 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 09:01:34,222 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 09:01:34,222 INFO L131 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2019-10-22 09:01:34,222 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 09:01:34,222 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 09:01:34,248 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,416 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-10-22 09:01:34,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,521 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 09:01:34,935 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 09:01:34,940 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 09:01:34,942 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 [2019-10-22 09:01:34,945 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:34,946 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:34,946 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:34,947 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:34,947 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:34,948 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:34,948 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:34,950 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:34,951 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 [2019-10-22 09:01:34,954 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:34,955 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:34,955 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:34,955 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:34,956 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:34,956 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:34,956 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:34,957 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:34,957 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 [2019-10-22 09:01:34,958 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:34,958 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-10-22 09:01:34,958 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:34,959 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:34,971 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-10-22 09:01:34,972 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:35,039 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:35,039 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 [2019-10-22 09:01:35,041 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:35,041 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 09:01:35,041 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:35,041 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:35,041 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:35,042 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 09:01:35,042 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 09:01:35,043 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-10-22 09:01:35,044 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 [2019-10-22 09:01:35,049 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 09:01:35,049 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 09:01:35,049 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 09:01:35,049 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 09:01:35,055 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-10-22 09:01:35,055 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-10-22 09:01:35,191 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 09:01:35,236 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 09:01:35,237 INFO L444 ModelExtractionUtils]: 36 out of 40 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 09:01:35,239 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 09:01:35,242 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-10-22 09:01:35,242 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 09:01:35,243 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*ULTIMATE.start_glob2_~pathlim.offset + 2 Supporting invariants [] [2019-10-22 09:01:35,258 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-10-22 09:01:35,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:01:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:35,323 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:01:35,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:01:35,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 09:01:35,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:01:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:01:35,381 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 [2019-10-22 09:01:35,382 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2019-10-22 09:01:35,437 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 35 states and 41 transitions. Complement of second has 7 states. [2019-10-22 09:01:35,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 09:01:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-10-22 09:01:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2019-10-22 09:01:35,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2019-10-22 09:01:35,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:35,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2019-10-22 09:01:35,445 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:35,445 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2019-10-22 09:01:35,446 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 09:01:35,447 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2019-10-22 09:01:35,449 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:35,453 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-10-22 09:01:35,454 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 09:01:35,454 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 09:01:35,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 09:01:35,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:01:35,456 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:35,456 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:35,456 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:01:35,456 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:01:35,456 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:01:35,456 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 09:01:35,457 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 09:01:35,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:01:35 BoogieIcfgContainer [2019-10-22 09:01:35,465 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:01:35,465 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:01:35,465 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:01:35,466 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:01:35,466 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:01:33" (3/4) ... [2019-10-22 09:01:35,471 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 09:01:35,471 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:01:35,473 INFO L168 Benchmark]: Toolchain (without parser) took 2641.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 900.7 MB in the end (delta: 43.9 MB). Peak memory consumption was 184.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:35,474 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:35,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:35,475 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:35,475 INFO L168 Benchmark]: Boogie Preprocessor took 30.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:35,476 INFO L168 Benchmark]: RCFGBuilder took 332.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:35,477 INFO L168 Benchmark]: BuchiAutomizer took 1961.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.7 MB in the end (delta: 211.3 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:01:35,477 INFO L168 Benchmark]: Witness Printer took 5.70 ms. Allocated memory is still 1.2 GB. Free memory is still 900.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:01:35,481 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.58 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 332.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1961.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.7 MB in the end (delta: 211.3 MB). Peak memory consumption was 211.3 MB. Max. memory is 11.5 GB. * Witness Printer took 5.70 ms. Allocated memory is still 1.2 GB. Free memory is still 900.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * p + pathlim + 2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. 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: 9 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax100 hnf100 lsp95 ukn94 mio100 lsp55 div100 bol100 ite110 ukn100 eq191 hnf89 smp84 dnf107 smp100 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 81ms VariablesStem: 9 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...