./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 d28857c86a3c83fc75b1b8cf8125f1c52a370911 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:01:02,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:01:02,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:01:02,784 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:01:02,784 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:01:02,786 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:01:02,788 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:01:02,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:01:02,804 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:01:02,806 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:01:02,807 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:01:02,809 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:01:02,810 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:01:02,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:01:02,815 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:01:02,817 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:01:02,818 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:01:02,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:01:02,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:01:02,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:01:02,833 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:01:02,836 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:01:02,839 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:01:02,839 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:01:02,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:01:02,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:01:02,845 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:01:02,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:01:02,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:01:02,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:01:02,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:01:02,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:01:02,850 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:01:02,851 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:01:02,852 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:01:02,852 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:01:02,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:01:02,853 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:01:02,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:01:02,854 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:01:02,856 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:01:02,857 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 10:01:02,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:01:02,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:01:02,902 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:01:02,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:01:02,903 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 10:01:02,903 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 10:01:02,904 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 10:01:02,904 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 10:01:02,904 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 10:01:02,904 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 10:01:02,905 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 10:01:02,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:01:02,905 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 10:01:02,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:01:02,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:01:02,906 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 10:01:02,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 10:01:02,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 10:01:02,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:01:02,907 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 10:01:02,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:01:02,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 10:01:02,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:01:02,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 10:01:02,908 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 10:01:02,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:01:02,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 10:01:02,909 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 10:01:02,910 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 10:01:02,912 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_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 -> d28857c86a3c83fc75b1b8cf8125f1c52a370911 [2019-11-20 10:01:03,134 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:01:03,154 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:01:03,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:01:03,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:01:03,160 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:01:03,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/../../sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-11-20 10:01:03,252 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/data/d8504d384/4f16f6ae91384091a70f18b2486a48c4/FLAGf3f88e1af [2019-11-20 10:01:03,645 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:01:03,646 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/sv-benchmarks/c/termination-numeric/java_LogBuiltIn.c [2019-11-20 10:01:03,651 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/data/d8504d384/4f16f6ae91384091a70f18b2486a48c4/FLAGf3f88e1af [2019-11-20 10:01:03,991 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/bin/uautomizer/data/d8504d384/4f16f6ae91384091a70f18b2486a48c4 [2019-11-20 10:01:03,994 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:01:03,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:01:03,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:01:03,997 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:01:04,001 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:01:04,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:01:03" (1/1) ... [2019-11-20 10:01:04,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11d6df21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04, skipping insertion in model container [2019-11-20 10:01:04,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:01:03" (1/1) ... [2019-11-20 10:01:04,015 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:01:04,037 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:01:04,274 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:01:04,279 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:01:04,297 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:01:04,403 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:01:04,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04 WrapperNode [2019-11-20 10:01:04,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:01:04,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:01:04,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:01:04,406 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:01:04,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,435 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,455 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:01:04,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:01:04,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:01:04,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:01:04,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,466 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,468 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... [2019-11-20 10:01:04,475 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:01:04,476 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:01:04,476 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:01:04,476 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:01:04,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 [2019-11-20 10:01:04,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:01:04,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:01:04,730 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:01:04,730 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:01:04,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:04 BoogieIcfgContainer [2019-11-20 10:01:04,732 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:01:04,733 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 10:01:04,733 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 10:01:04,737 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 10:01:04,738 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:01:04,738 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:01:03" (1/3) ... [2019-11-20 10:01:04,739 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eebe48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:01:04, skipping insertion in model container [2019-11-20 10:01:04,739 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:01:04,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:01:04" (2/3) ... [2019-11-20 10:01:04,741 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5eebe48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:01:04, skipping insertion in model container [2019-11-20 10:01:04,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 10:01:04,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:04" (3/3) ... [2019-11-20 10:01:04,743 INFO L371 chiAutomizerObserver]: Analyzing ICFG java_LogBuiltIn.c [2019-11-20 10:01:04,805 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 10:01:04,805 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 10:01:04,805 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 10:01:04,805 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 10:01:04,806 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 10:01:04,806 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 10:01:04,806 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 10:01:04,807 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 10:01:04,828 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 10:01:04,852 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:01:04,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:01:04,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:01:04,859 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:01:04,860 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:01:04,860 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 10:01:04,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 10:01:04,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-11-20 10:01:04,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 10:01:04,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 10:01:04,862 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 10:01:04,862 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-11-20 10:01:04,871 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2;mlog_#in~x := main_#t~nondet1;havoc mlog_#res;havoc mlog_#t~post0, mlog_~x, mlog_~res~0;mlog_~x := mlog_#in~x;mlog_~res~0 := 0; 3#L7-2true [2019-11-20 10:01:04,872 INFO L796 eck$LassoCheckResult]: Loop: 3#L7-2true assume !!(mlog_~x > 1);mlog_~x := (if mlog_~x < 0 && 0 != mlog_~x % 2 then 1 + mlog_~x / 2 else mlog_~x / 2);mlog_#t~post0 := mlog_~res~0;mlog_~res~0 := 1 + mlog_#t~post0;havoc mlog_#t~post0; 3#L7-2true [2019-11-20 10:01:04,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:01:04,879 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 10:01:04,890 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:01:04,890 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569420423] [2019-11-20 10:01:04,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:01:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:05,014 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:01:05,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:01:05,015 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2019-11-20 10:01:05,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:01:05,017 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682527123] [2019-11-20 10:01:05,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:01:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:05,078 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:01:05,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:01:05,080 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-11-20 10:01:05,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 10:01:05,082 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477020817] [2019-11-20 10:01:05,082 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 10:01:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 10:01:05,117 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 10:01:05,190 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:01:05,191 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:01:05,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:01:05,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:01:05,191 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 10:01:05,192 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:01:05,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:01:05,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:01:05,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2019-11-20 10:01:05,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:01:05,193 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:01:05,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,430 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 19 [2019-11-20 10:01:05,491 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:01:05,492 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 [2019-11-20 10:01:05,501 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:01:05,501 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 [2019-11-20 10:01:05,513 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:01:05,514 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:01:05,540 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 10:01:05,540 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_mlog_~res~0=0} Honda state: {ULTIMATE.start_mlog_~res~0=0} Generalized eigenvectors: [{ULTIMATE.start_mlog_~res~0=4}, {ULTIMATE.start_mlog_~res~0=3}, {ULTIMATE.start_mlog_~res~0=-6}] Lambdas: [1, 3, 1] Nus: [0, 1] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 [2019-11-20 10:01:05,547 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 10:01:05,547 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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 [2019-11-20 10:01:05,564 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 10:01:05,565 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 10:01:05,606 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 10:01:05,608 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 10:01:05,608 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 10:01:05,608 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 10:01:05,609 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 10:01:05,609 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 10:01:05,609 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:01:05,609 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 10:01:05,609 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 10:01:05,609 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_LogBuiltIn.c_Iteration1_Loop [2019-11-20 10:01:05,609 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 10:01:05,609 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 10:01:05,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-20 10:01:05,763 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 10:01:05,769 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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) [2019-11-20 10:01:05,778 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 [2019-11-20 10:01:05,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:01:05,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:01:05,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:01:05,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:01:05,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:01:05,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:01:05,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:01:05,793 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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) [2019-11-20 10:01:05,806 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 [2019-11-20 10:01:05,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 10:01:05,809 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 10:01:05,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 10:01:05,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 10:01:05,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 10:01:05,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 10:01:05,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:01:05,822 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 10:01:05,828 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 10:01:05,828 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ca9dd1f4-48bb-4ecd-b0f1-e3983632ce9b/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) [2019-11-20 10:01:05,847 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 10:01:05,847 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 10:01:05,847 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 10:01:05,848 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_mlog_~x) = 1*ULTIMATE.start_mlog_~x Supporting invariants [] [2019-11-20 10:01:05,853 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 10:01:05,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:01:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:01:05,904 INFO L255 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 10:01:05,906 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:01:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:01:05,923 WARN L253 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 10:01:05,924 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 10:01:05,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:01:05,944 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-11-20 10:01:05,945 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2019-11-20 10:01:05,990 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 18 states and 21 transitions. Complement of second has 5 states. [2019-11-20 10:01:05,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-20 10:01:05,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-11-20 10:01:05,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2019-11-20 10:01:05,994 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 1 letters. [2019-11-20 10:01:05,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:01:05,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 2 letters. Loop has 1 letters. [2019-11-20 10:01:05,995 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:01:05,995 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 10:01:05,996 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 10:01:05,997 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2019-11-20 10:01:06,000 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:01:06,003 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2019-11-20 10:01:06,005 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 10:01:06,005 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 10:01:06,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 10:01:06,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 10:01:06,006 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:01:06,006 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:01:06,007 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 10:01:06,007 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 10:01:06,007 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 10:01:06,007 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 10:01:06,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 10:01:06,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:01:06 BoogieIcfgContainer [2019-11-20 10:01:06,015 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 10:01:06,015 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:01:06,016 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:01:06,016 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:01:06,017 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:01:04" (3/4) ... [2019-11-20 10:01:06,020 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 10:01:06,021 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:01:06,023 INFO L168 Benchmark]: Toolchain (without parser) took 2026.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.6 MB in the beginning and 1.0 GB in the end (delta: -71.6 MB). Peak memory consumption was 56.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,023 INFO L168 Benchmark]: CDTParser took 6.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:01:06,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.58 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,026 INFO L168 Benchmark]: Boogie Preprocessor took 19.82 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,027 INFO L168 Benchmark]: RCFGBuilder took 256.60 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,028 INFO L168 Benchmark]: BuchiAutomizer took 1282.46 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: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,029 INFO L168 Benchmark]: Witness Printer took 5.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. [2019-11-20 10:01:06,033 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 6.29 ms. Allocated memory is still 1.0 GB. Free memory is still 966.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.58 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: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.82 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: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.60 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1282.46 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: 90.7 MB). Peak memory consumption was 90.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. 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 x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 5 SDslu, 4 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital31 mio100 ax100 hnf100 lsp83 ukn100 mio100 lsp100 div369 bol100 ite112 ukn100 eq131 hnf56 smp43 dnf97 smp100 tf105 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...