./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 9cd87c15c4637a3ecd407847e5a675763d5fece5 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:25:23,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:25:23,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:25:23,700 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:25:23,701 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:25:23,701 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:25:23,702 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:25:23,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:25:23,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:25:23,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:25:23,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:25:23,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:25:23,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:25:23,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:25:23,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:25:23,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:25:23,710 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:25:23,711 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:25:23,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:25:23,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:25:23,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:25:23,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:25:23,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:25:23,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:25:23,718 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:25:23,719 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:25:23,719 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:25:23,719 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:25:23,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:25:23,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:25:23,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:25:23,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:25:23,721 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:25:23,721 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:25:23,722 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:25:23,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:25:23,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:25:23,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:25:23,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:25:23,723 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:25:23,724 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:25:23,724 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 11:25:23,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:25:23,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:25:23,736 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:25:23,736 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:25:23,736 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:25:23,737 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:25:23,737 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:25:23,737 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:25:23,738 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:25:23,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:25:23,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:25:23,740 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:25:23,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:25:23,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:25:23,740 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:25:23,740 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:25:23,741 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:25:23,741 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_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 -> 9cd87c15c4637a3ecd407847e5a675763d5fece5 [2019-12-07 11:25:23,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:25:23,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:25:23,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:25:23,852 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:25:23,852 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:25:23,853 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/../../sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2019-12-07 11:25:23,893 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/data/213225020/46e80734595842dbb03f94536dd217fb/FLAG08254768d [2019-12-07 11:25:24,255 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:25:24,255 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/sv-benchmarks/c/bitvector-regression/recHanoi03-1.c [2019-12-07 11:25:24,259 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/data/213225020/46e80734595842dbb03f94536dd217fb/FLAG08254768d [2019-12-07 11:25:24,643 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/data/213225020/46e80734595842dbb03f94536dd217fb [2019-12-07 11:25:24,645 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:25:24,646 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:25:24,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:24,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:25:24,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:25:24,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad018c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24, skipping insertion in model container [2019-12-07 11:25:24,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:25:24,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:25:24,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:24,769 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:25:24,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:25:24,818 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:25:24,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24 WrapperNode [2019-12-07 11:25:24,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:25:24,819 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:25:24,819 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:25:24,819 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:25:24,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,829 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,839 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:25:24,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:25:24,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:25:24,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:25:24,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,846 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,850 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... [2019-12-07 11:25:24,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:25:24,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:25:24,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:25:24,851 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:25:24,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:24,897 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2019-12-07 11:25:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2019-12-07 11:25:24,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:25:24,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:25:24,994 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:25:24,994 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 11:25:24,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:24 BoogieIcfgContainer [2019-12-07 11:25:24,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:25:24,996 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:25:24,996 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:25:24,998 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:25:24,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:25:24,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:25:24" (1/3) ... [2019-12-07 11:25:24,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2810580d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:25:24, skipping insertion in model container [2019-12-07 11:25:24,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:25:24,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:25:24" (2/3) ... [2019-12-07 11:25:24,999 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2810580d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:25:24, skipping insertion in model container [2019-12-07 11:25:24,999 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:25:24,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:24" (3/3) ... [2019-12-07 11:25:25,000 INFO L371 chiAutomizerObserver]: Analyzing ICFG recHanoi03-1.c [2019-12-07 11:25:25,029 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:25:25,029 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:25:25,030 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:25:25,030 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:25:25,030 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:25:25,030 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:25:25,030 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:25:25,030 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:25:25,039 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 11:25:25,054 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:25:25,054 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:25:25,054 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:25:25,059 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 11:25:25,059 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:25:25,059 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:25:25,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-12-07 11:25:25,061 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:25:25,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:25:25,061 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:25:25,061 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-12-07 11:25:25,061 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:25:25,066 INFO L794 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~n~0, main_~result~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L26true assume !(main_~n~0 < 1); 7#L29true call main_#t~ret2 := hanoi(main_~n~0);< 6#hanoiENTRYtrue [2019-12-07 11:25:25,066 INFO L796 eck$LassoCheckResult]: Loop: 6#hanoiENTRYtrue ~n := #in~n; 17#L17true assume !(1 == ~n); 12#L20true call #t~ret0 := hanoi(~n - 1);< 6#hanoiENTRYtrue [2019-12-07 11:25:25,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:25,070 INFO L82 PathProgramCache]: Analyzing trace with hash 38903, now seen corresponding path program 1 times [2019-12-07 11:25:25,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:25:25,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461201569] [2019-12-07 11:25:25,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:25:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,141 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:25:25,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:25,142 INFO L82 PathProgramCache]: Analyzing trace with hash 29942, now seen corresponding path program 1 times [2019-12-07 11:25:25,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:25:25,143 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [955893095] [2019-12-07 11:25:25,143 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:25:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,151 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:25:25,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:25,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1158959424, now seen corresponding path program 1 times [2019-12-07 11:25:25,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:25:25,152 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639385279] [2019-12-07 11:25:25,152 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:25:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:25:25,164 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:25:25,210 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:25:25,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:25:25,211 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:25:25,211 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:25:25,211 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:25:25,211 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:25:25,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:25:25,211 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Loop [2019-12-07 11:25:25,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:25:25,211 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:25:25,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,230 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,271 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:25:25,272 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:25:25,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:25:25,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:25:25,282 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#res=0} Honda state: {hanoi_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:25,286 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:25:25,286 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:25:25,290 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:25:25,290 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_~n=0} Honda state: {hanoi_~n=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:25,294 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:25:25,294 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:25,300 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:25:25,300 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:25:25,318 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:25:25,318 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#in~n=-2} Honda state: {hanoi_#in~n=-2} Generalized eigenvectors: [{hanoi_#in~n=0}, {hanoi_#in~n=-1}, {hanoi_#in~n=0}] Lambdas: [14, 1, 11] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:25,322 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:25:25,322 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:25:25,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:25:25,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {hanoi_#t~ret0=0} Honda state: {hanoi_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-12-07 11:25:25,342 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:25:25,342 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:25:25,342 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:25:25,343 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:25:25,343 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:25:25,343 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,343 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:25:25,343 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:25:25,343 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2019-12-07 11:25:25,343 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:25:25,343 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:25:25,344 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,350 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,353 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,357 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,359 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,361 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,363 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,407 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:25:25,408 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,411 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:25:25,411 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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 [2019-12-07 11:25:25,419 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:25:25,419 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:25:25,431 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:25:25,432 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:25:25,432 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:25:25,432 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:25:25,432 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:25:25,432 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:25:25,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:25:25,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:25:25,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: recHanoi03-1.c_Iteration1_Lasso [2019-12-07 11:25:25,432 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:25:25,432 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:25:25,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,437 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,442 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,445 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,446 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,448 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:25:25,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:25:25,495 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/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) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,498 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 [2019-12-07 11:25:25,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,504 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,508 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 [2019-12-07 11:25:25,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,509 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,509 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,509 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,511 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,515 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 [2019-12-07 11:25:25,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,523 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 [2019-12-07 11:25:25,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,526 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,530 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 [2019-12-07 11:25:25,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,534 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,540 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 [2019-12-07 11:25:25,541 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,544 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,547 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 [2019-12-07 11:25:25,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,549 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,549 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,549 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,550 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,550 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,551 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,554 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 [2019-12-07 11:25:25,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,557 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,558 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,562 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 [2019-12-07 11:25:25,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:25:25,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:25:25,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:25:25,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:25:25,565 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,569 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 [2019-12-07 11:25:25,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:25:25,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:25:25,570 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 11:25:25,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:25:25,578 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 11:25:25,578 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 11:25:25,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:25:25,614 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2019-12-07 11:25:25,614 INFO L444 ModelExtractionUtils]: 2 out of 11 variables were initially zero. Simplification set additionally 5 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b37ed8c1-fb0f-4d5b-9f9d-99fb8364904b/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:25:25,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:25:25,626 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 11:25:25,626 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:25:25,627 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(hanoi_#in~n) = 1*hanoi_#in~n Supporting invariants [2*hanoi_#in~n - 1 >= 0] [2019-12-07 11:25:25,632 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 11:25:25,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:25:25,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:25,676 INFO L264 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 11:25:25,677 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:25:25,696 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 11:25:25,696 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:25:25,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:25:25,731 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 11:25:25,732 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 5 states. [2019-12-07 11:25:25,832 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 5 states. Result 33 states and 38 transitions. Complement of second has 13 states. [2019-12-07 11:25:25,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 11:25:25,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 11:25:25,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 11 transitions. [2019-12-07 11:25:25,835 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 3 letters. [2019-12-07 11:25:25,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:25:25,836 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2019-12-07 11:25:25,836 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:25:25,837 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 11 transitions. Stem has 3 letters. Loop has 6 letters. [2019-12-07 11:25:25,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:25:25,837 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 38 transitions. [2019-12-07 11:25:25,840 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:25:25,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2019-12-07 11:25:25,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:25:25,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:25:25,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:25:25,843 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:25:25,843 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:25:25,843 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:25:25,843 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:25:25,844 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:25:25,844 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:25:25,844 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:25:25,844 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:25:25,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:25:25 BoogieIcfgContainer [2019-12-07 11:25:25,848 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:25:25,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:25:25,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:25:25,849 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:25:25,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:25:24" (3/4) ... [2019-12-07 11:25:25,851 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:25:25,851 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:25:25,853 INFO L168 Benchmark]: Toolchain (without parser) took 1206.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 897.2 MB in the end (delta: 42.6 MB). Peak memory consumption was 138.5 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:25,853 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:25,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:25,854 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:25,854 INFO L168 Benchmark]: Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:25,855 INFO L168 Benchmark]: RCFGBuilder took 144.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:25,855 INFO L168 Benchmark]: BuchiAutomizer took 852.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 897.2 MB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:25:25,856 INFO L168 Benchmark]: Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 897.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:25:25,858 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 172.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 939.8 MB in the beginning and 1.1 GB in the end (delta: -153.7 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.05 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 11.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 144.35 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 852.54 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 897.2 MB in the end (delta: 176.0 MB). Peak memory consumption was 176.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.11 ms. Allocated memory is still 1.1 GB. Free memory is still 897.2 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 \old(n) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. 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: 8 SDtfs, 11 SDslu, 4 SDs, 0 SdLazy, 18 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq181 hnf95 smp100 dnf156 smp100 tf102 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 59ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 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...