./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 3d8c21a369ecda610832d6476fe3c0899cbeabfe .......................................................................................................................................................................................................................................................................................................................................................................................... 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 11:59:44,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:59:44,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:59:44,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:59:44,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:59:44,139 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:59:44,140 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:59:44,141 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:59:44,143 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:59:44,143 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:59:44,144 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:59:44,145 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:59:44,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:59:44,145 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:59:44,146 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:59:44,147 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:59:44,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:59:44,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:59:44,149 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:59:44,151 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:59:44,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:59:44,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:59:44,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:59:44,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:59:44,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:59:44,156 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:59:44,156 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:59:44,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:59:44,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:59:44,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:59:44,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:59:44,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:59:44,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:59:44,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:59:44,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:59:44,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:59:44,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:59:44,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:59:44,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:59:44,161 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:59:44,161 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:59:44,161 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 11:59:44,172 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:59:44,172 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:59:44,173 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:59:44,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:59:44,173 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:59:44,173 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 11:59:44,173 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 11:59:44,173 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 11:59:44,174 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 11:59:44,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 11:59:44,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:59:44,175 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 11:59:44,175 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:59:44,176 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:59:44,176 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:59:44,176 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 11:59:44,176 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 11:59:44,177 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_19092794-4bb6-493d-85b7-82eeec4cdcad/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 -> 3d8c21a369ecda610832d6476fe3c0899cbeabfe [2019-12-07 11:59:44,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:59:44,286 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:59:44,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:59:44,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:59:44,290 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:59:44,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2019-12-07 11:59:44,331 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/data/70afc26cb/bc8678f3dd2042fdb6439e51b3bcdbcd/FLAGf8f5aacec [2019-12-07 11:59:44,635 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:59:44,635 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2019-12-07 11:59:44,639 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/data/70afc26cb/bc8678f3dd2042fdb6439e51b3bcdbcd/FLAGf8f5aacec [2019-12-07 11:59:44,648 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/bin/uautomizer/data/70afc26cb/bc8678f3dd2042fdb6439e51b3bcdbcd [2019-12-07 11:59:44,650 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:59:44,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:59:44,651 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:59:44,651 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:59:44,653 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:59:44,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4562956c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44, skipping insertion in model container [2019-12-07 11:59:44,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:59:44,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:59:44,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:59:44,775 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:59:44,819 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:59:44,830 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:59:44,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44 WrapperNode [2019-12-07 11:59:44,831 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:59:44,831 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:59:44,832 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:59:44,832 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:59:44,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:59:44,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:59:44,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:59:44,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:59:44,859 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... [2019-12-07 11:59:44,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:59:44,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:59:44,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:59:44,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:59:44,865 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:44,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:59:44,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:59:45,000 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:59:45,000 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 11:59:45,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:59:45 BoogieIcfgContainer [2019-12-07 11:59:45,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:59:45,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 11:59:45,001 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 11:59:45,003 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 11:59:45,004 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:59:45,004 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 11:59:44" (1/3) ... [2019-12-07 11:59:45,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bc90519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:59:45, skipping insertion in model container [2019-12-07 11:59:45,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:59:45,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:59:44" (2/3) ... [2019-12-07 11:59:45,005 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7bc90519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 11:59:45, skipping insertion in model container [2019-12-07 11:59:45,005 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 11:59:45,005 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:59:45" (3/3) ... [2019-12-07 11:59:45,006 INFO L371 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c [2019-12-07 11:59:45,035 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 11:59:45,035 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 11:59:45,035 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 11:59:45,035 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:59:45,035 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:59:45,035 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 11:59:45,035 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:59:45,035 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 11:59:45,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 11:59:45,056 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:59:45,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:59:45,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:59:45,061 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:59:45,061 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:59:45,061 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 11:59:45,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 11:59:45,062 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 11:59:45,062 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 11:59:45,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 11:59:45,062 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 11:59:45,062 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 11:59:45,067 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_~a~0, main_~x~0, main_~max~0;havoc main_~a~0;havoc main_~x~0;havoc main_~max~0;main_~a~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~x~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~max~0 := main_#t~nondet2;havoc main_#t~nondet2; 7#L18true assume main_~max~0 > 0;main_~a~0 := 0;main_~x~0 := 1; 8#L21-2true [2019-12-07 11:59:45,067 INFO L796 eck$LassoCheckResult]: Loop: 8#L21-2true assume !!(main_~x~0 <= main_~max~0); 4#L22true assume 0 != main_#t~nondet3;havoc main_#t~nondet3;main_~a~0 := 1 + main_~a~0; 11#L22-2true main_~x~0 := 1 + main_~x~0; 8#L21-2true [2019-12-07 11:59:45,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:59:45,071 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2019-12-07 11:59:45,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:59:45,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358790780] [2019-12-07 11:59:45,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:59:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,142 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:59:45,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:59:45,143 INFO L82 PathProgramCache]: Analyzing trace with hash 42800, now seen corresponding path program 1 times [2019-12-07 11:59:45,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:59:45,144 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566729015] [2019-12-07 11:59:45,144 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:59:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,154 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:59:45,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:59:45,155 INFO L82 PathProgramCache]: Analyzing trace with hash 29684845, now seen corresponding path program 1 times [2019-12-07 11:59:45,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:59:45,156 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712594493] [2019-12-07 11:59:45,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:59:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 11:59:45,166 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 11:59:45,201 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:59:45,201 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:59:45,201 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:59:45,201 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:59:45,202 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 11:59:45,202 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:59:45,202 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:59:45,202 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:59:45,202 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2019-12-07 11:59:45,202 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:59:45,202 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:59:45,217 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:59:45,224 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 11:59:45,227 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 11:59:45,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 11:59:45,237 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 11:59:45,302 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:59:45,303 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,307 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:59:45,308 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:59:45,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:59:45,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,320 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:59:45,320 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:59:45,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 11:59:45,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 11:59:45,329 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,337 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 11:59:45,337 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 11:59:45,449 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 11:59:45,450 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 11:59:45,450 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 11:59:45,450 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 11:59:45,450 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 11:59:45,450 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 11:59:45,450 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 11:59:45,450 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 11:59:45,451 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 11:59:45,451 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random1d.c_Iteration1_Loop [2019-12-07 11:59:45,451 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 11:59:45,451 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 11:59:45,453 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 11:59:45,456 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 11:59:45,462 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 11:59:45,464 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 11:59:45,467 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 11:59:45,511 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 11:59:45,514 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,518 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 11:59:45,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:59:45,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:59:45,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:59:45,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:59:45,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 11:59:45,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 11:59:45,530 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,534 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 11:59:45,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 11:59:45,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 11:59:45,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 11:59:45,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 11:59:45,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 11:59:45,537 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 11:59:45,537 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 11:59:45,539 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 11:59:45,542 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 11:59:45,542 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19092794-4bb6-493d-85b7-82eeec4cdcad/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 11:59:45,545 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 11:59:45,546 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 11:59:45,546 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 11:59:45,546 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0, ULTIMATE.start_main_~max~0) = -2*ULTIMATE.start_main_~x~0 + 2*ULTIMATE.start_main_~max~0 + 1 Supporting invariants [] [2019-12-07 11:59:45,549 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 11:59:45,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:59:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:59:45,575 INFO L264 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 11:59:45,576 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:59:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:59:45,584 WARN L262 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 11:59:45,585 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 11:59:45,594 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 11:59:45,605 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-12-07 11:59:45,606 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 3 states. [2019-12-07 11:59:45,634 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 3 states. Result 24 states and 30 transitions. Complement of second has 7 states. [2019-12-07 11:59:45,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 11:59:45,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 11:59:45,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2019-12-07 11:59:45,637 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 11:59:45,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:59:45,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 11:59:45,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:59:45,638 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 11:59:45,638 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 11:59:45,639 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2019-12-07 11:59:45,641 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:59:45,642 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 0 states and 0 transitions. [2019-12-07 11:59:45,643 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 11:59:45,643 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 11:59:45,644 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 11:59:45,644 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 11:59:45,644 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:59:45,644 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:59:45,644 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:59:45,644 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 11:59:45,644 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:59:45,644 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 11:59:45,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 11:59:45,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 11:59:45 BoogieIcfgContainer [2019-12-07 11:59:45,648 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 11:59:45,649 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:59:45,649 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:59:45,649 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:59:45,649 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:59:45" (3/4) ... [2019-12-07 11:59:45,651 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 11:59:45,651 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:59:45,653 INFO L168 Benchmark]: Toolchain (without parser) took 1001.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 940.6 MB in the beginning and 980.5 MB in the end (delta: -39.9 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:59:45,653 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:59:45,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 11:59:45,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.19 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 11:59:45,655 INFO L168 Benchmark]: Boogie Preprocessor took 11.81 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 11:59:45,655 INFO L168 Benchmark]: RCFGBuilder took 136.24 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-12-07 11:59:45,656 INFO L168 Benchmark]: BuchiAutomizer took 647.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:59:45,656 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory was 981.4 MB in the beginning and 980.5 MB in the end (delta: 894.8 kB). Peak memory consumption was 894.8 kB. Max. memory is 11.5 GB. [2019-12-07 11:59:45,659 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 179.87 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 940.6 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.19 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 11.81 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 136.24 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 647.18 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 981.4 MB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.79 ms. Allocated memory is still 1.1 GB. Free memory was 981.4 MB in the beginning and 980.5 MB in the end (delta: 894.8 kB). Peak memory consumption was 894.8 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * x + 2 * max + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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: 11 SDtfs, 11 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax163 hnf100 lsp32 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 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...