./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/aaron2-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/aaron2-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 51b008c7c9d1e1f97a8847fd6efe81beab0012cf ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-25 08:56:26,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-25 08:56:26,231 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-25 08:56:26,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-25 08:56:26,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-25 08:56:26,248 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-25 08:56:26,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-25 08:56:26,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-25 08:56:26,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-25 08:56:26,268 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-25 08:56:26,269 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-25 08:56:26,271 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-25 08:56:26,271 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-25 08:56:26,274 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-25 08:56:26,276 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-25 08:56:26,277 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-25 08:56:26,278 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-25 08:56:26,281 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-25 08:56:26,283 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-25 08:56:26,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-25 08:56:26,292 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-25 08:56:26,294 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-25 08:56:26,297 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-25 08:56:26,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-25 08:56:26,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-25 08:56:26,303 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-25 08:56:26,303 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-25 08:56:26,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-25 08:56:26,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-25 08:56:26,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-25 08:56:26,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-25 08:56:26,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-25 08:56:26,308 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-25 08:56:26,309 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-25 08:56:26,310 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-25 08:56:26,311 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-25 08:56:26,311 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-25 08:56:26,311 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-25 08:56:26,312 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-25 08:56:26,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-25 08:56:26,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-25 08:56:26,316 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-25 08:56:26,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-25 08:56:26,334 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-25 08:56:26,335 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-25 08:56:26,335 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-25 08:56:26,335 INFO L138 SettingsManager]: * Use SBE=true [2019-11-25 08:56:26,335 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-25 08:56:26,336 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-25 08:56:26,336 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-25 08:56:26,336 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-25 08:56:26,336 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-25 08:56:26,337 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-25 08:56:26,337 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-25 08:56:26,337 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-25 08:56:26,337 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-25 08:56:26,337 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-25 08:56:26,338 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-25 08:56:26,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-25 08:56:26,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-25 08:56:26,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-25 08:56:26,339 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-25 08:56:26,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-25 08:56:26,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-25 08:56:26,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-25 08:56:26,340 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-25 08:56:26,340 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-25 08:56:26,340 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-25 08:56:26,340 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-25 08:56:26,341 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-25 08:56:26,341 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-25 08:56:26,342 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/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 51b008c7c9d1e1f97a8847fd6efe81beab0012cf [2019-11-25 08:56:26,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-25 08:56:26,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-25 08:56:26,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-25 08:56:26,488 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-25 08:56:26,489 INFO L275 PluginConnector]: CDTParser initialized [2019-11-25 08:56:26,489 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/aaron2-1.c [2019-11-25 08:56:26,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/data/10ad094e0/c7af0e86a73d491db23a54adc54deb95/FLAGd8b240967 [2019-11-25 08:56:26,963 INFO L306 CDTParser]: Found 1 translation units. [2019-11-25 08:56:26,964 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/sv-benchmarks/c/termination-crafted/aaron2-1.c [2019-11-25 08:56:26,971 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/data/10ad094e0/c7af0e86a73d491db23a54adc54deb95/FLAGd8b240967 [2019-11-25 08:56:27,364 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/data/10ad094e0/c7af0e86a73d491db23a54adc54deb95 [2019-11-25 08:56:27,366 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-25 08:56:27,367 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-25 08:56:27,368 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:27,368 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-25 08:56:27,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-25 08:56:27,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@624e1dff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27, skipping insertion in model container [2019-11-25 08:56:27,375 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-25 08:56:27,394 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-25 08:56:27,509 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:27,513 INFO L201 MainTranslator]: Completed pre-run [2019-11-25 08:56:27,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-25 08:56:27,597 INFO L205 MainTranslator]: Completed translation [2019-11-25 08:56:27,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27 WrapperNode [2019-11-25 08:56:27,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-25 08:56:27,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:27,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-25 08:56:27,599 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-25 08:56:27,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,614 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-25 08:56:27,634 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-25 08:56:27,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-25 08:56:27,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-25 08:56:27,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,647 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,651 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,653 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... [2019-11-25 08:56:27,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-25 08:56:27,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-25 08:56:27,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-25 08:56:27,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-25 08:56:27,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/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 [2019-11-25 08:56:27,742 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-25 08:56:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-25 08:56:27,888 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-25 08:56:27,888 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-25 08:56:27,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:27 BoogieIcfgContainer [2019-11-25 08:56:27,889 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-25 08:56:27,890 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-25 08:56:27,890 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-25 08:56:27,893 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-25 08:56:27,894 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:27,894 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 25.11 08:56:27" (1/3) ... [2019-11-25 08:56:27,895 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44c29ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:27, skipping insertion in model container [2019-11-25 08:56:27,895 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:27,895 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 08:56:27" (2/3) ... [2019-11-25 08:56:27,896 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@44c29ebe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 25.11 08:56:27, skipping insertion in model container [2019-11-25 08:56:27,896 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-25 08:56:27,896 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:27" (3/3) ... [2019-11-25 08:56:27,898 INFO L371 chiAutomizerObserver]: Analyzing ICFG aaron2-1.c [2019-11-25 08:56:27,941 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-25 08:56:27,941 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-25 08:56:27,941 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-25 08:56:27,941 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-25 08:56:27,941 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-25 08:56:27,942 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-25 08:56:27,942 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-25 08:56:27,942 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-25 08:56:27,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:56:27,969 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:56:27,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:27,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:27,976 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:56:27,976 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:56:27,976 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-25 08:56:27,976 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states. [2019-11-25 08:56:27,982 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-25 08:56:27,982 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-25 08:56:27,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-25 08:56:27,983 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-25 08:56:27,983 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-25 08:56:27,990 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~x~0, main_~y~0, main_~tx~0;havoc main_~x~0;havoc main_~y~0;havoc main_~tx~0;main_~tx~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~y~0 := main_#t~nondet2;havoc main_#t~nondet2; 4#L21true assume !!(main_~tx~0 <= 1073741823); 6#L22true assume !!(main_~x~0 <= 1073741823); 8#L23true assume !!(main_~y~0 >= -1073741823); 10#L25-2true [2019-11-25 08:56:27,990 INFO L796 eck$LassoCheckResult]: Loop: 10#L25-2true assume !!(main_~x~0 >= main_~y~0 && main_~tx~0 >= 0); 12#L25true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~x~0 := main_~x~0 - 1 - main_~tx~0; 10#L25-2true [2019-11-25 08:56:27,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:27,995 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-11-25 08:56:28,001 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:28,002 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136604839] [2019-11-25 08:56:28,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,103 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:28,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:28,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1764, now seen corresponding path program 1 times [2019-11-25 08:56:28,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:28,105 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964494446] [2019-11-25 08:56:28,105 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,116 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:28,117 INFO L82 PathProgramCache]: Analyzing trace with hash 922017838, now seen corresponding path program 1 times [2019-11-25 08:56:28,117 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-25 08:56:28,118 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811513506] [2019-11-25 08:56:28,118 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-25 08:56:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-25 08:56:28,135 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-25 08:56:28,210 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:56:28,221 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:56:28,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:56:28,222 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:56:28,222 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-25 08:56:28,222 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:28,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:56:28,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:56:28,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2019-11-25 08:56:28,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:56:28,223 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:56:28,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,377 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:56:28,377 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/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) [2019-11-25 08:56:28,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:28,390 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:28,401 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:56:28,402 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/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 [2019-11-25 08:56:28,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:28,417 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:56:28,424 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-25 08:56:28,424 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:28,434 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-25 08:56:28,434 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/z3 Starting monitored process 5 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:28,445 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-25 08:56:28,445 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-25 08:56:28,903 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-25 08:56:28,905 INFO L210 LassoAnalysis]: Preferences: [2019-11-25 08:56:28,905 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-25 08:56:28,905 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-25 08:56:28,905 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-25 08:56:28,905 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-25 08:56:28,905 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:28,906 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-25 08:56:28,906 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-25 08:56:28,906 INFO L133 ssoRankerPreferences]: Filename of dumped script: aaron2-1.c_Iteration1_Loop [2019-11-25 08:56:28,906 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-25 08:56:28,906 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-25 08:56:28,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:28,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-25 08:56:29,023 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-25 08:56:29,028 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/z3 Starting monitored process 6 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:29,041 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 [2019-11-25 08:56:29,047 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:56:29,048 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:56:29,048 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:56:29,048 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:56:29,058 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:56:29,058 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-25 08:56:29,070 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:56:29,085 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 [2019-11-25 08:56:29,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:56:29,087 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:56:29,087 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:56:29,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:56:29,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-25 08:56:29,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:29,098 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:29,117 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 [2019-11-25 08:56:29,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-25 08:56:29,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-25 08:56:29,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-25 08:56:29,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-25 08:56:29,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-25 08:56:29,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-25 08:56:29,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-25 08:56:29,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-25 08:56:29,144 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-25 08:56:29,144 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0e4fa9ed-c68e-4944-96c8-5e699e2ecb5b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-25 08:56:29,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-25 08:56:29,150 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-25 08:56:29,150 INFO L510 LassoAnalysis]: Proved termination. [2019-11-25 08:56:29,151 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~y~0) = 2*ULTIMATE.start_main_~x~0 - 2*ULTIMATE.start_main_~y~0 + 1 Supporting invariants [] [2019-11-25 08:56:29,164 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-25 08:56:29,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-25 08:56:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:29,215 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-25 08:56:29,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:56:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-25 08:56:29,227 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-25 08:56:29,228 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-25 08:56:29,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-25 08:56:29,258 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 [2019-11-25 08:56:29,259 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states. Second operand 3 states. [2019-11-25 08:56:29,306 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states.. Second operand 3 states. Result 23 states and 30 transitions. Complement of second has 7 states. [2019-11-25 08:56:29,307 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 [2019-11-25 08:56:29,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-25 08:56:29,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 20 transitions. [2019-11-25 08:56:29,311 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 2 letters. [2019-11-25 08:56:29,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:29,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 6 letters. Loop has 2 letters. [2019-11-25 08:56:29,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:29,312 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 20 transitions. Stem has 4 letters. Loop has 4 letters. [2019-11-25 08:56:29,312 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-25 08:56:29,313 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2019-11-25 08:56:29,320 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:56:29,322 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2019-11-25 08:56:29,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-25 08:56:29,324 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-25 08:56:29,324 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-25 08:56:29,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-25 08:56:29,325 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:29,325 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:29,325 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-25 08:56:29,325 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-25 08:56:29,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-25 08:56:29,326 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-25 08:56:29,326 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-25 08:56:29,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 25.11 08:56:29 BoogieIcfgContainer [2019-11-25 08:56:29,332 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-25 08:56:29,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-25 08:56:29,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-25 08:56:29,333 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-25 08:56:29,333 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 08:56:27" (3/4) ... [2019-11-25 08:56:29,338 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-25 08:56:29,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-25 08:56:29,341 INFO L168 Benchmark]: Toolchain (without parser) took 1972.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -86.4 MB). Peak memory consumption was 56.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:29,342 INFO L168 Benchmark]: CDTParser took 0.23 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. [2019-11-25 08:56:29,344 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:29,344 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.11 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. [2019-11-25 08:56:29,345 INFO L168 Benchmark]: Boogie Preprocessor took 24.00 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. [2019-11-25 08:56:29,346 INFO L168 Benchmark]: RCFGBuilder took 230.95 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:29,347 INFO L168 Benchmark]: BuchiAutomizer took 1441.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2019-11-25 08:56:29,347 INFO L168 Benchmark]: Witness Printer took 6.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-25 08:56:29,354 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 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 230.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -194.0 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.11 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 24.00 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 230.95 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: 16.5 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1441.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.1 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. * Witness Printer took 6.24 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. 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 2 * x + -2 * y + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 12 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp46 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq150 hnf95 smp100 dnf100 smp100 tf110 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 41ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...