./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.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_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c -s /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 2730fad31c2d66a3c2c270d6382235d7b06cc84c ....................................................................................................................................................................................................................................................................................................................................................................................... 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 09:56:04,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 09:56:04,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 09:56:04,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 09:56:04,902 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 09:56:04,903 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 09:56:04,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 09:56:04,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 09:56:04,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 09:56:04,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 09:56:04,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 09:56:04,923 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 09:56:04,923 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 09:56:04,925 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 09:56:04,926 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 09:56:04,927 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 09:56:04,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 09:56:04,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 09:56:04,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 09:56:04,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 09:56:04,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 09:56:04,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 09:56:04,939 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 09:56:04,940 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 09:56:04,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 09:56:04,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 09:56:04,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 09:56:04,944 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 09:56:04,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 09:56:04,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 09:56:04,946 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 09:56:04,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 09:56:04,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 09:56:04,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 09:56:04,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 09:56:04,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 09:56:04,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 09:56:04,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 09:56:04,950 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 09:56:04,951 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 09:56:04,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 09:56:04,953 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-20 09:56:04,979 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 09:56:04,979 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 09:56:04,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 09:56:04,981 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 09:56:04,981 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 09:56:04,981 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 09:56:04,981 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 09:56:04,981 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 09:56:04,982 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 09:56:04,982 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 09:56:04,982 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 09:56:04,982 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 09:56:04,982 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 09:56:04,983 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 09:56:04,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 09:56:04,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 09:56:04,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 09:56:04,983 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 09:56:04,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 09:56:04,984 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 09:56:04,984 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 09:56:04,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 09:56:04,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 09:56:04,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 09:56:04,985 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 09:56:04,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 09:56:04,985 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 09:56:04,985 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 09:56:04,986 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 09:56:04,986 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_62093ef3-e841-4131-baa5-faf26577a6e5/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 -> 2730fad31c2d66a3c2c270d6382235d7b06cc84c [2019-11-20 09:56:05,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 09:56:05,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 09:56:05,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 09:56:05,141 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 09:56:05,142 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 09:56:05,142 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2019-11-20 09:56:05,193 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/data/6e115de71/3a3204ee3ad44a7a80b902e635390b0a/FLAGa31b353b5 [2019-11-20 09:56:05,606 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 09:56:05,607 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/sv-benchmarks/c/termination-crafted-lit/KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2019-11-20 09:56:05,612 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/data/6e115de71/3a3204ee3ad44a7a80b902e635390b0a/FLAGa31b353b5 [2019-11-20 09:56:06,008 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/data/6e115de71/3a3204ee3ad44a7a80b902e635390b0a [2019-11-20 09:56:06,010 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 09:56:06,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 09:56:06,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 09:56:06,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 09:56:06,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 09:56:06,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,018 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7f16a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06, skipping insertion in model container [2019-11-20 09:56:06,019 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,025 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 09:56:06,044 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 09:56:06,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:56:06,229 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 09:56:06,304 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 09:56:06,318 INFO L192 MainTranslator]: Completed translation [2019-11-20 09:56:06,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06 WrapperNode [2019-11-20 09:56:06,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 09:56:06,319 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 09:56:06,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 09:56:06,320 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 09:56:06,328 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 09:56:06,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 09:56:06,346 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 09:56:06,346 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 09:56:06,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... [2019-11-20 09:56:06,359 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 09:56:06,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 09:56:06,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 09:56:06,359 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 09:56:06,360 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 09:56:06,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 09:56:06,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 09:56:06,540 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 09:56:06,540 INFO L285 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-20 09:56:06,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:56:06 BoogieIcfgContainer [2019-11-20 09:56:06,542 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 09:56:06,542 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 09:56:06,542 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 09:56:06,544 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 09:56:06,545 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:56:06,545 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:56:06" (1/3) ... [2019-11-20 09:56:06,546 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1721a64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:56:06, skipping insertion in model container [2019-11-20 09:56:06,546 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:56:06,546 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:56:06" (2/3) ... [2019-11-20 09:56:06,547 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1721a64d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:56:06, skipping insertion in model container [2019-11-20 09:56:06,547 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 09:56:06,547 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:56:06" (3/3) ... [2019-11-20 09:56:06,548 INFO L371 chiAutomizerObserver]: Analyzing ICFG KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c [2019-11-20 09:56:06,586 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 09:56:06,586 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 09:56:06,586 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 09:56:06,586 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 09:56:06,587 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 09:56:06,587 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 09:56:06,587 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 09:56:06,587 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 09:56:06,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 09:56:06,616 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 09:56:06,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:56:06,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:56:06,621 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 09:56:06,622 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 09:56:06,622 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 09:56:06,622 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2019-11-20 09:56:06,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-11-20 09:56:06,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 09:56:06,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 09:56:06,623 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-20 09:56:06,623 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-20 09:56:06,628 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0;havoc main_~i~0;main_~i~0 := main_#t~nondet0;havoc main_#t~nondet0; 5#L18-2true [2019-11-20 09:56:06,628 INFO L796 eck$LassoCheckResult]: Loop: 5#L18-2true assume !!(main_~i~0 < 255); 7#L18true assume 0 != main_#t~nondet1;havoc main_#t~nondet1;main_~i~0 := 1 + main_~i~0; 5#L18-2true [2019-11-20 09:56:06,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:56:06,633 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-20 09:56:06,639 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:56:06,640 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678861081] [2019-11-20 09:56:06,640 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:56:06,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,706 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:56:06,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:56:06,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2019-11-20 09:56:06,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:56:06,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [973007236] [2019-11-20 09:56:06,708 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:56:06,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,719 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:56:06,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:56:06,720 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2019-11-20 09:56:06,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 09:56:06,720 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194110321] [2019-11-20 09:56:06,720 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 09:56:06,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 09:56:06,730 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 09:56:06,788 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:56:06,788 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:56:06,789 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:56:06,789 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:56:06,789 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-20 09:56:06,789 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:56:06,790 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:56:06,790 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:56:06,790 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2019-11-20 09:56:06,790 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:56:06,790 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:56:06,820 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 09:56:06,828 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 09:56:06,833 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 09:56:06,850 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 09:56:06,976 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:56:06,977 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 09:56:06,994 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:56:06,994 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 09:56:07,006 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 09:56:07,006 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_62093ef3-e841-4131-baa5-faf26577a6e5/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 09:56:07,014 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:56:07,014 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 09:56:07,019 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-20 09:56:07,020 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_62093ef3-e841-4131-baa5-faf26577a6e5/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) [2019-11-20 09:56:07,029 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-20 09:56:07,030 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 09:56:07,044 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-20 09:56:07,044 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-20 09:56:07,053 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-20 09:56:07,056 INFO L210 LassoAnalysis]: Preferences: [2019-11-20 09:56:07,056 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-20 09:56:07,056 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-20 09:56:07,056 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-20 09:56:07,056 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-20 09:56:07,056 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:56:07,057 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-20 09:56:07,057 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-20 09:56:07,057 INFO L133 ssoRankerPreferences]: Filename of dumped script: KroeningSharyginaTsitovichWintersteiger-CAV2010-Ex.c_Iteration1_Loop [2019-11-20 09:56:07,057 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-20 09:56:07,057 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-20 09:56:07,059 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 09:56:07,067 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 09:56:07,075 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 09:56:07,079 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 09:56:07,138 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-20 09:56:07,142 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-20 09:56:07,157 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 09:56:07,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:56:07,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:56:07,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:56:07,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:56:07,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-20 09:56:07,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-20 09:56:07,173 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 [2019-11-20 09:56:07,189 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 09:56:07,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-20 09:56:07,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-20 09:56:07,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-20 09:56:07,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-20 09:56:07,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-20 09:56:07,194 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-20 09:56:07,194 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-20 09:56:07,198 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-20 09:56:07,203 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-20 09:56:07,203 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_62093ef3-e841-4131-baa5-faf26577a6e5/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 09:56:07,218 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-20 09:56:07,218 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-20 09:56:07,218 INFO L510 LassoAnalysis]: Proved termination. [2019-11-20 09:56:07,219 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 509 Supporting invariants [] [2019-11-20 09:56:07,223 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 09:56:07,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 09:56:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:56:07,275 WARN L253 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 09:56:07,276 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:56:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 09:56:07,287 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-20 09:56:07,288 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 09:56:07,311 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 09:56:07,326 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-20 09:56:07,327 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2019-11-20 09:56:07,366 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 7 states. [2019-11-20 09:56:07,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-20 09:56:07,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-20 09:56:07,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2019-11-20 09:56:07,369 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-20 09:56:07,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:56:07,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-20 09:56:07,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:56:07,370 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-20 09:56:07,370 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-20 09:56:07,371 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2019-11-20 09:56:07,374 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:56:07,376 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2019-11-20 09:56:07,377 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-20 09:56:07,377 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-20 09:56:07,378 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-20 09:56:07,378 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 09:56:07,378 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:56:07,378 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:56:07,379 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 09:56:07,379 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 09:56:07,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-20 09:56:07,379 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-20 09:56:07,379 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-20 09:56:07,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:56:07 BoogieIcfgContainer [2019-11-20 09:56:07,385 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 09:56:07,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 09:56:07,385 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 09:56:07,386 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 09:56:07,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:56:06" (3/4) ... [2019-11-20 09:56:07,394 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-20 09:56:07,394 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 09:56:07,397 INFO L168 Benchmark]: Toolchain (without parser) took 1384.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.4 MB in the beginning and 1.0 GB in the end (delta: -81.8 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2019-11-20 09:56:07,398 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:56:07,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:56:07,400 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:56:07,400 INFO L168 Benchmark]: Boogie Preprocessor took 12.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:56:07,402 INFO L168 Benchmark]: RCFGBuilder took 182.63 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-11-20 09:56:07,402 INFO L168 Benchmark]: BuchiAutomizer took 843.09 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: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. [2019-11-20 09:56:07,403 INFO L168 Benchmark]: Witness Printer took 8.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 09:56:07,411 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -187.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.48 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 182.63 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 843.09 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: 85.1 MB). Peak memory consumption was 85.1 MB. Max. memory is 11.5 GB. * Witness Printer took 8.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 509 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital14 mio100 ax185 hnf100 lsp38 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 30ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...