./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fffaea79f968c931abbf923bf574b15b9c605c6a ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 00:11:46,782 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:11:46,783 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:11:46,791 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:11:46,791 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:11:46,792 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:11:46,792 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:11:46,794 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:11:46,795 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:11:46,795 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:11:46,796 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:11:46,796 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:11:46,797 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:11:46,798 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:11:46,799 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:11:46,799 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:11:46,800 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:11:46,801 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:11:46,803 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:11:46,804 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:11:46,805 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:11:46,806 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:11:46,807 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:11:46,807 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:11:46,808 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:11:46,808 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:11:46,809 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:11:46,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:11:46,810 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:11:46,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:11:46,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:11:46,812 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:11:46,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:11:46,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:11:46,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:11:46,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:11:46,814 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 00:11:46,825 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:11:46,825 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:11:46,826 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:11:46,826 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:11:46,826 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:11:46,827 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:11:46,827 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:11:46,827 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:11:46,828 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:11:46,829 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:11:46,829 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:11:46,829 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:11:46,830 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:11:46,830 INFO L133 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/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fffaea79f968c931abbf923bf574b15b9c605c6a [2018-11-23 00:11:46,855 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:11:46,865 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:11:46,867 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:11:46,868 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:11:46,868 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:11:46,868 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/../../sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-11-23 00:11:46,910 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/data/28ecb4ca2/4f41fb025b0142358a35b49741331ab2/FLAGb2734d229 [2018-11-23 00:11:47,236 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:11:47,236 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/sv-benchmarks/c/loops/nec40_true-unreach-call_true-termination.i [2018-11-23 00:11:47,240 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/data/28ecb4ca2/4f41fb025b0142358a35b49741331ab2/FLAGb2734d229 [2018-11-23 00:11:47,675 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/uautomizer/data/28ecb4ca2/4f41fb025b0142358a35b49741331ab2 [2018-11-23 00:11:47,677 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:11:47,678 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:11:47,679 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:11:47,679 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:11:47,682 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:11:47,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef06843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47, skipping insertion in model container [2018-11-23 00:11:47,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,691 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:11:47,704 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:11:47,824 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:11:47,836 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:11:47,846 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:11:47,872 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:11:47,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47 WrapperNode [2018-11-23 00:11:47,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:11:47,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:11:47,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:11:47,873 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:11:47,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,974 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:11:47,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:11:47,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:11:47,975 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:11:47,986 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:47,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:48,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:48,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:48,009 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... [2018-11-23 00:11:48,012 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:11:48,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:11:48,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:11:48,012 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:11:48,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0b1bfb7-c56a-45df-87dc-579d3203d6e3/bin-2019/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 [2018-11-23 00:11:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-23 00:11:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 00:11:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:11:48,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:11:48,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 00:11:48,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 00:11:48,303 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:11:48,303 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 00:11:48,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:48 BoogieIcfgContainer [2018-11-23 00:11:48,304 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:11:48,304 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:11:48,304 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:11:48,306 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:11:48,307 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:11:48,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:11:47" (1/3) ... [2018-11-23 00:11:48,307 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@247cb2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:11:48, skipping insertion in model container [2018-11-23 00:11:48,307 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:11:48,307 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:11:47" (2/3) ... [2018-11-23 00:11:48,308 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@247cb2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:11:48, skipping insertion in model container [2018-11-23 00:11:48,308 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:11:48,308 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:48" (3/3) ... [2018-11-23 00:11:48,309 INFO L375 chiAutomizerObserver]: Analyzing ICFG nec40_true-unreach-call_true-termination.i [2018-11-23 00:11:48,351 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:11:48,352 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:11:48,352 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:11:48,352 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:11:48,352 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:11:48,352 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:11:48,352 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:11:48,352 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:11:48,352 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:11:48,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 00:11:48,376 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 00:11:48,376 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:11:48,376 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:11:48,380 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:11:48,380 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 00:11:48,380 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:11:48,380 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2018-11-23 00:11:48,381 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2018-11-23 00:11:48,381 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:11:48,381 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:11:48,382 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:11:48,382 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2018-11-23 00:11:48,387 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call ~#x~0.base, ~#x~0.offset := #Ultimate.alloc(100);call write~init~int(0, ~#x~0.base, ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 1 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 2 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 3 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 4 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 5 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 6 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 7 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 8 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 9 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 10 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 11 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 12 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 13 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 14 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 15 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 16 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 17 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 18 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 19 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 20 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 21 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 22 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 23 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 24 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 25 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 26 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 27 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 28 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 29 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 30 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 31 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 32 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 33 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 34 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 35 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 36 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 37 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 38 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 39 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 40 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 41 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 42 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 43 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 44 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 45 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 46 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 47 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 48 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 49 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 50 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 51 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 52 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 53 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 54 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 55 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 56 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 57 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 58 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 59 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 60 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 61 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 62 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 63 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 64 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 65 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 66 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 67 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 68 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 69 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 70 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 71 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 72 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 73 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 74 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 75 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 76 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 77 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 78 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 79 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 80 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 81 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 82 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 83 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 84 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 85 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 86 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 87 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 88 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 89 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 90 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 91 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 92 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 93 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 94 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 95 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 96 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 97 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 98 + ~#x~0.offset, 1);call write~init~int(0, ~#x~0.base, 99 + ~#x~0.offset, 1);call ~#y~0.base, ~#y~0.offset := #Ultimate.alloc(100);call write~init~int(0, ~#y~0.base, ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 1 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 2 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 3 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 4 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 5 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 6 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 7 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 8 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 9 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 10 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 11 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 12 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 13 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 14 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 15 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 16 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 17 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 18 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 19 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 20 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 21 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 22 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 23 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 24 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 25 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 26 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 27 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 28 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 29 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 30 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 31 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 32 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 33 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 34 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 35 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 36 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 37 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 38 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 39 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 40 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 41 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 42 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 43 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 44 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 45 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 46 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 47 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 48 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 49 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 50 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 51 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 52 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 53 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 54 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 55 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 56 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 57 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 58 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 59 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 60 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 61 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 62 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 63 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 64 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 65 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 66 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 67 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 68 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 69 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 70 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 71 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 72 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 73 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 74 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 75 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 76 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 77 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 78 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 79 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 80 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 81 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 82 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 83 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 84 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 85 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 86 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 87 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 88 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 89 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 90 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 91 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 92 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 93 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 94 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 95 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 96 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 97 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 98 + ~#y~0.offset, 1);call write~init~int(0, ~#y~0.base, 99 + ~#y~0.offset, 1);~i~0 := 0;~j~0 := 0;~k~0 := 0; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~mem2, main_#t~post3, main_#t~mem1, main_#t~mem4;~k~0 := main_#t~nondet0;havoc main_#t~nondet0;~i~0 := 0; 3#L18-3true [2018-11-23 00:11:48,388 INFO L796 eck$LassoCheckResult]: Loop: 3#L18-3true call main_#t~mem1 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1); 5#L18-1true assume !!(0 != main_#t~mem1);havoc main_#t~mem1;call main_#t~mem2 := read~int(~#x~0.base, ~#x~0.offset + ~i~0, 1);call write~int(main_#t~mem2, ~#y~0.base, ~#y~0.offset + ~i~0, 1);havoc main_#t~mem2;main_#t~post3 := ~i~0;~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3#L18-3true [2018-11-23 00:11:48,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:11:48,393 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 00:11:48,394 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:11:48,395 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:11:48,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:11:48,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:11:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:11:48,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:11:48,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1190, now seen corresponding path program 1 times [2018-11-23 00:11:48,567 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:11:48,567 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:11:48,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:11:48,568 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:11:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:11:48,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:11:48,579 INFO L82 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2018-11-23 00:11:48,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:11:48,579 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:11:48,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:11:48,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:11:48,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:11:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:11:48,805 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:11:48,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:11:48,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 00:11:48,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 00:11:48,885 INFO L87 Difference]: Start difference. First operand 13 states. Second operand 5 states. [2018-11-23 00:11:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:11:48,952 INFO L93 Difference]: Finished difference Result 10 states and 9 transitions. [2018-11-23 00:11:48,953 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 00:11:48,954 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 9 transitions. [2018-11-23 00:11:48,955 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:11:48,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 0 states and 0 transitions. [2018-11-23 00:11:48,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 00:11:48,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 00:11:48,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 00:11:48,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:11:48,958 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:11:48,958 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:11:48,958 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 00:11:48,958 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 00:11:48,958 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 00:11:48,958 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 00:11:48,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 00:11:48,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:11:48 BoogieIcfgContainer [2018-11-23 00:11:48,962 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:11:48,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:11:48,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:11:48,963 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:11:48,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:11:48" (3/4) ... [2018-11-23 00:11:48,966 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 00:11:48,966 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:11:48,967 INFO L168 Benchmark]: Toolchain (without parser) took 1288.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -101.4 MB). Peak memory consumption was 59.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,968 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:11:48,968 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.90 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,969 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -217.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,970 INFO L168 Benchmark]: Boogie Preprocessor took 37.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,970 INFO L168 Benchmark]: RCFGBuilder took 291.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,971 INFO L168 Benchmark]: BuchiAutomizer took 658.46 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: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:11:48,972 INFO L168 Benchmark]: Witness Printer took 3.59 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. [2018-11-23 00:11:48,975 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.90 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.53 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 160.4 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -217.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 291.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.0 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 658.46 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: 68.8 MB). Peak memory consumption was 68.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.59 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these 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 0. 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 [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 5 SDtfs, 11 SDslu, 3 SDs, 0 SdLazy, 9 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 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...