./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad4e6ad99a266ddeead98987e8e44db723af5bc7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 19:01:49,768 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:01:49,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:01:49,777 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:01:49,777 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:01:49,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:01:49,779 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:01:49,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:01:49,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:01:49,782 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:01:49,783 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:01:49,784 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:01:49,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:01:49,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:01:49,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:01:49,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:01:49,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:01:49,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:01:49,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:01:49,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:01:49,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:01:49,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:01:49,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:01:49,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:01:49,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:01:49,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:01:49,795 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:01:49,795 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:01:49,796 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:01:49,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:01:49,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:01:49,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:01:49,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:01:49,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:01:49,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:01:49,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:01:49,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:01:49,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:01:49,799 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:01:49,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:01:49,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:01:49,800 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 19:01:49,811 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:01:49,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:01:49,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 19:01:49,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 19:01:49,812 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 19:01:49,812 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 19:01:49,812 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 19:01:49,812 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 19:01:49,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:01:49,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 19:01:49,814 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:01:49,814 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 19:01:49,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:01:49,815 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 19:01:49,815 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:01:49,815 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 19:01:49,816 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 19:01:49,816 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_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad4e6ad99a266ddeead98987e8e44db723af5bc7 [2019-12-07 19:01:49,914 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:01:49,924 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:01:49,926 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:01:49,927 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:01:49,927 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:01:49,928 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-12-07 19:01:49,965 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/data/46060cd30/5940f2454eef40078d0e9cb32584c79e/FLAGc5d67d1af [2019-12-07 19:01:50,354 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:01:50,354 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/sv-benchmarks/c/recursive-simple/id_i15_o15-2.c [2019-12-07 19:01:50,358 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/data/46060cd30/5940f2454eef40078d0e9cb32584c79e/FLAGc5d67d1af [2019-12-07 19:01:50,740 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/data/46060cd30/5940f2454eef40078d0e9cb32584c79e [2019-12-07 19:01:50,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:01:50,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:01:50,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:01:50,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:01:50,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:01:50,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b211656 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50, skipping insertion in model container [2019-12-07 19:01:50,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:01:50,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:01:50,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:01:50,860 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:01:50,869 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:01:50,908 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:01:50,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50 WrapperNode [2019-12-07 19:01:50,909 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:01:50,909 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:01:50,909 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:01:50,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:01:50,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,918 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,929 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:01:50,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:01:50,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:01:50,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:01:50,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,936 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,936 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,938 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... [2019-12-07 19:01:50,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:01:50,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:01:50,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:01:50,940 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:01:50,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:50,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:01:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:01:50,981 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-07 19:01:50,981 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-07 19:01:51,059 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:01:51,059 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 19:01:51,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:01:51 BoogieIcfgContainer [2019-12-07 19:01:51,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:01:51,060 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 19:01:51,060 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 19:01:51,062 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 19:01:51,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 19:01:51,063 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 07:01:50" (1/3) ... [2019-12-07 19:01:51,063 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bcfc496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 07:01:51, skipping insertion in model container [2019-12-07 19:01:51,063 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 19:01:51,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:01:50" (2/3) ... [2019-12-07 19:01:51,064 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bcfc496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 07:01:51, skipping insertion in model container [2019-12-07 19:01:51,064 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 19:01:51,064 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:01:51" (3/3) ... [2019-12-07 19:01:51,065 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i15_o15-2.c [2019-12-07 19:01:51,094 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 19:01:51,094 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 19:01:51,094 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 19:01:51,095 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:01:51,095 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:01:51,095 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 19:01:51,095 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:01:51,095 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 19:01:51,104 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 19:01:51,119 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 19:01:51,119 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 19:01:51,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 19:01:51,124 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 19:01:51,124 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 19:01:51,124 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 19:01:51,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 19:01:51,126 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 19:01:51,126 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 19:01:51,126 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 19:01:51,126 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 19:01:51,126 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 19:01:51,131 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 15; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-12-07 19:01:51,131 INFO L796 eck$LassoCheckResult]: Loop: 9#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id(~x - 1);< 9#idENTRYtrue [2019-12-07 19:01:51,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:01:51,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-12-07 19:01:51,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:01:51,141 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16552439] [2019-12-07 19:01:51,141 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:01:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,207 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 19:01:51,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:01:51,208 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-12-07 19:01:51,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:01:51,209 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348457907] [2019-12-07 19:01:51,209 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:01:51,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,216 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 19:01:51,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:01:51,218 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-12-07 19:01:51,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 19:01:51,218 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181974344] [2019-12-07 19:01:51,218 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:01:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:01:51,227 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 19:01:51,282 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 19:01:51,283 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 19:01:51,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 19:01:51,283 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 19:01:51,283 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 19:01:51,283 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,283 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 19:01:51,283 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 19:01:51,283 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-2.c_Iteration1_Loop [2019-12-07 19:01:51,283 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 19:01:51,283 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 19:01:51,296 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,303 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,348 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 19:01:51,348 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,353 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,353 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,359 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 19:01:51,359 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#t~ret0=0} Honda state: {id_#t~ret0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,363 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,363 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 19:01:51,367 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,371 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,379 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 19:01:51,379 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,393 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 19:01:51,393 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#in~x=-1} Honda state: {id_#in~x=-1} Generalized eigenvectors: [{id_#in~x=-1}, {id_#in~x=0}, {id_#in~x=0}] Lambdas: [1, 0, 5] Nus: [1, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,397 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,397 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,400 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 19:01:51,400 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_~x=0} Honda state: {id_~x=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2019-12-07 19:01:51,417 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 19:01:51,417 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 19:01:51,418 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 19:01:51,418 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 19:01:51,418 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 19:01:51,418 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,418 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 19:01:51,418 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 19:01:51,418 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-2.c_Iteration1_Lasso [2019-12-07 19:01:51,418 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 19:01:51,419 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 19:01:51,420 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,428 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,433 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,434 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,436 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,438 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,483 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 19:01:51,484 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,487 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,487 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,490 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 19:01:51,490 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {id_#res=0} Honda state: {id_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,494 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 19:01:51,494 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,500 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 19:01:51,500 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 19:01:51,507 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 19:01:51,508 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 19:01:51,508 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 19:01:51,508 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 19:01:51,508 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 19:01:51,508 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 19:01:51,508 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,508 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 19:01:51,508 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 19:01:51,508 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i15_o15-2.c_Iteration1_Lasso [2019-12-07 19:01:51,508 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 19:01:51,508 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 19:01:51,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,513 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,516 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,518 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,522 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,524 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 19:01:51,563 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 19:01:51,566 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,576 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,582 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,584 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,584 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,584 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,584 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,584 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,585 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,586 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,589 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,593 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,599 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,600 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,604 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,606 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,606 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,606 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,606 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,606 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,606 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,608 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 19:01:51,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 19:01:51,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 19:01:51,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 19:01:51,616 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-12-07 19:01:51,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 19:01:51,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 19:01:51,621 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 19:01:51,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 19:01:51,630 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 19:01:51,630 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 19:01:51,645 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 19:01:51,666 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 19:01:51,667 INFO L444 ModelExtractionUtils]: 1 out of 11 variables were initially zero. Simplification set additionally 7 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0cf49cce-1214-4442-aeff-3163c235a47b/bin/uautomizer/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 19:01:51,671 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 19:01:51,675 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 19:01:51,675 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 19:01:51,675 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(id_#in~x) = 1*id_#in~x Supporting invariants [1*id_#in~x >= 0] [2019-12-07 19:01:51,680 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 19:01:51,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:01:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:01:51,716 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 19:01:51,718 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:01:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:01:51,741 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 19:01:51,742 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:01:51,767 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 19:01:51,777 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2019-12-07 19:01:51,778 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-12-07 19:01:51,874 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states.. Second operand 5 states. Result 29 states and 34 transitions. Complement of second has 13 states. [2019-12-07 19:01:51,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2019-12-07 19:01:51,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 19:01:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-12-07 19:01:51,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 19:01:51,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 19:01:51,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 19:01:51,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 19:01:51,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 19:01:51,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 19:01:51,879 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-12-07 19:01:51,881 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 19:01:51,884 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-12-07 19:01:51,884 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 19:01:51,884 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 19:01:51,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 19:01:51,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 19:01:51,885 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:01:51,885 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:01:51,885 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 19:01:51,885 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 19:01:51,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 19:01:51,885 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 19:01:51,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 19:01:51,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 07:01:51 BoogieIcfgContainer [2019-12-07 19:01:51,890 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 19:01:51,890 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:01:51,890 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:01:51,890 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:01:51,891 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:01:51" (3/4) ... [2019-12-07 19:01:51,893 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:01:51,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:01:51,895 INFO L168 Benchmark]: Toolchain (without parser) took 1150.94 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 940.8 MB in the beginning and 902.8 MB in the end (delta: 38.0 MB). Peak memory consumption was 128.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:51,896 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:01:51,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 164.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:51,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:01:51,897 INFO L168 Benchmark]: Boogie Preprocessor took 10.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:01:51,898 INFO L168 Benchmark]: RCFGBuilder took 120.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:51,899 INFO L168 Benchmark]: BuchiAutomizer took 829.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 902.8 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. [2019-12-07 19:01:51,899 INFO L168 Benchmark]: Witness Printer took 3.36 ms. Allocated memory is still 1.1 GB. Free memory is still 902.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:01:51,901 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 164.30 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 940.8 MB in the beginning and 1.1 GB in the end (delta: -146.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 10.53 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 120.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 829.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 902.8 MB in the end (delta: 164.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 11.5 GB. * Witness Printer took 3.36 ms. Allocated memory is still 1.1 GB. Free memory is still 902.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(x) and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 16 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital12 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq202 hnf95 smp100 dnf150 smp100 tf102 neg94 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 58ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...