./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 0aae719d835771c4602eac7b24cfefa200f147c0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 13:10:08,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:10:08,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:10:09,008 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:10:09,008 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:10:09,009 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:10:09,010 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:10:09,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:10:09,012 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:10:09,013 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:10:09,014 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:10:09,014 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:10:09,015 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:10:09,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:10:09,016 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:10:09,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:10:09,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:10:09,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:10:09,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:10:09,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:10:09,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:10:09,023 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:10:09,024 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:10:09,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:10:09,027 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:10:09,027 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:10:09,027 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:10:09,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:10:09,028 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:10:09,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:10:09,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:10:09,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:10:09,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:10:09,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:10:09,030 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:10:09,030 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:10:09,031 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:10:09,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:10:09,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:10:09,031 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:10:09,032 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:10:09,032 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-12-07 13:10:09,043 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:10:09,043 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:10:09,044 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:10:09,044 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:10:09,044 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:10:09,044 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 13:10:09,044 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 13:10:09,044 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 13:10:09,044 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 13:10:09,045 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 13:10:09,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 13:10:09,046 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:10:09,046 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 13:10:09,047 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:10:09,047 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:10:09,047 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:10:09,047 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 13:10:09,048 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 13:10:09,048 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 -> 0aae719d835771c4602eac7b24cfefa200f147c0 [2019-12-07 13:10:09,145 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:10:09,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:10:09,158 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:10:09,159 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:10:09,159 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:10:09,160 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/../../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2019-12-07 13:10:09,207 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/data/9d002ee60/c1423851ed2249c48dff27a39b7a61e5/FLAG5e63138a0 [2019-12-07 13:10:09,512 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:10:09,512 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2019-12-07 13:10:09,516 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/data/9d002ee60/c1423851ed2249c48dff27a39b7a61e5/FLAG5e63138a0 [2019-12-07 13:10:09,525 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/bin/uautomizer/data/9d002ee60/c1423851ed2249c48dff27a39b7a61e5 [2019-12-07 13:10:09,527 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:10:09,528 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:10:09,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:10:09,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:10:09,531 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:10:09,532 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,534 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605e252b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09, skipping insertion in model container [2019-12-07 13:10:09,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,540 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:10:09,551 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:10:09,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:10:09,658 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:10:09,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:10:09,711 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:10:09,711 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09 WrapperNode [2019-12-07 13:10:09,711 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:10:09,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:10:09,712 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:10:09,712 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:10:09,718 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,730 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:10:09,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:10:09,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:10:09,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:10:09,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,737 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,737 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,739 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... [2019-12-07 13:10:09,740 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:10:09,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:10:09,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:10:09,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:10:09,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:10:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:10:09,780 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-12-07 13:10:09,780 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-12-07 13:10:09,861 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:10:09,861 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-07 13:10:09,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:10:09 BoogieIcfgContainer [2019-12-07 13:10:09,862 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:10:09,862 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 13:10:09,863 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 13:10:09,865 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 13:10:09,865 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:10:09,865 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:10:09" (1/3) ... [2019-12-07 13:10:09,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28489518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:10:09, skipping insertion in model container [2019-12-07 13:10:09,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:10:09,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:10:09" (2/3) ... [2019-12-07 13:10:09,866 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@28489518 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:10:09, skipping insertion in model container [2019-12-07 13:10:09,866 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 13:10:09,866 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:10:09" (3/3) ... [2019-12-07 13:10:09,867 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_i10_o10-1.c [2019-12-07 13:10:09,897 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 13:10:09,897 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 13:10:09,897 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 13:10:09,897 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:10:09,897 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:10:09,897 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 13:10:09,897 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:10:09,897 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 13:10:09,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 13:10:09,921 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:10:09,921 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:10:09,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:10:09,926 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 13:10:09,926 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:10:09,926 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 13:10:09,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states. [2019-12-07 13:10:09,927 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 13:10:09,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 13:10:09,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 13:10:09,928 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 13:10:09,928 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 13:10:09,933 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~ret1, main_~input~0, main_~result~0;main_~input~0 := 10; 7#L11true call main_#t~ret1 := id(main_~input~0);< 9#idENTRYtrue [2019-12-07 13:10:09,933 INFO L796 eck$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 13:10:09,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:10:09,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1014, now seen corresponding path program 1 times [2019-12-07 13:10:09,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:10:09,943 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159950884] [2019-12-07 13:10:09,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:10:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:09,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:10,008 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:10:10,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:10:10,009 INFO L82 PathProgramCache]: Analyzing trace with hash 43827, now seen corresponding path program 1 times [2019-12-07 13:10:10,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:10:10,010 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560439272] [2019-12-07 13:10:10,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:10:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:10,018 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:10:10,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:10:10,019 INFO L82 PathProgramCache]: Analyzing trace with hash 30222110, now seen corresponding path program 1 times [2019-12-07 13:10:10,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:10:10,019 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986384586] [2019-12-07 13:10:10,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:10:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 13:10:10,028 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 13:10:10,081 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:10:10,081 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:10:10,081 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:10:10,081 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:10:10,082 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:10:10,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:10:10,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:10:10,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:10:10,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i10_o10-1.c_Iteration1_Loop [2019-12-07 13:10:10,082 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:10:10,082 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:10:10,095 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 13:10:10,099 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 13:10:10,101 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 13:10:10,108 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 13:10:10,145 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:10:10,146 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,150 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,151 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,156 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:10:10,157 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,163 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:10:10,163 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,167 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,173 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:10:10,173 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,188 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:10:10,188 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,195 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:10:10,195 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 13:10:10,210 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:10:10,210 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:10:10,210 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:10:10,210 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:10:10,210 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 13:10:10,210 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:10:10,211 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:10:10,211 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:10:10,211 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i10_o10-1.c_Iteration1_Lasso [2019-12-07 13:10:10,211 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:10:10,211 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:10:10,212 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 13:10:10,214 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 13:10:10,219 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 13:10:10,221 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 13:10:10,222 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 13:10:10,224 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:10:10,225 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 13:10:10,227 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 13:10:10,228 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 13:10:10,272 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:10:10,272 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,276 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,276 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,280 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 13:10:10,280 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,284 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 13:10:10,284 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,290 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 13:10:10,291 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 13:10:10,298 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 13:10:10,299 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 13:10:10,300 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 13:10:10,300 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 13:10:10,300 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 13:10:10,300 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 13:10:10,300 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 13:10:10,300 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 13:10:10,300 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 13:10:10,300 INFO L133 ssoRankerPreferences]: Filename of dumped script: id_i10_o10-1.c_Iteration1_Lasso [2019-12-07 13:10:10,300 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 13:10:10,300 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 13:10:10,301 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 13:10:10,303 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 13:10:10,305 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 13:10:10,306 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 13:10:10,308 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 13:10:10,309 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 13:10:10,310 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 13:10:10,315 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 13:10:10,316 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 13:10:10,356 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 13:10:10,359 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,363 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 13:10:10,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,369 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,373 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 13:10:10,374 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,376 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,380 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 13:10:10,381 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,381 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,382 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,383 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,384 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,388 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 13:10:10,389 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,389 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,389 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,389 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,389 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,390 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,391 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,395 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 13:10:10,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,396 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,398 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,401 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 13:10:10,402 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,402 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 13:10:10,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 13:10:10,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,403 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 13:10:10,403 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 13:10:10,404 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,408 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 13:10:10,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 13:10:10,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 13:10:10,409 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2019-12-07 13:10:10,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 13:10:10,417 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2019-12-07 13:10:10,418 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2019-12-07 13:10:10,430 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 13:10:10,447 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2019-12-07 13:10:10,448 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_95bf3613-dbee-4fdf-9130-d53c8a4e2baa/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 13:10:10,451 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 13:10:10,456 INFO L438 nArgumentSynthesizer]: Removed 3 redundant supporting invariants from a total of 4. [2019-12-07 13:10:10,457 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 13:10:10,457 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 13:10:10,462 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 13:10:10,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:10:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:10:10,495 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 13:10:10,496 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:10:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:10:10,515 INFO L264 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 10 conjunts are in the unsatisfiable core [2019-12-07 13:10:10,515 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:10:10,536 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 13:10:10,546 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 13:10:10,547 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states. Second operand 5 states. [2019-12-07 13:10:10,639 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 13:10:10,640 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 13:10:10,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 13:10:10,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 7 transitions. [2019-12-07 13:10:10,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 3 letters. [2019-12-07 13:10:10,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:10:10,644 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 5 letters. Loop has 3 letters. [2019-12-07 13:10:10,644 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:10:10,645 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 7 transitions. Stem has 2 letters. Loop has 6 letters. [2019-12-07 13:10:10,645 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 13:10:10,646 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 34 transitions. [2019-12-07 13:10:10,649 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:10:10,652 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 0 states and 0 transitions. [2019-12-07 13:10:10,653 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 13:10:10,653 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 13:10:10,653 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 13:10:10,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 13:10:10,654 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:10:10,654 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:10:10,654 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:10:10,654 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 13:10:10,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:10:10,654 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 13:10:10,654 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 13:10:10,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:10:10 BoogieIcfgContainer [2019-12-07 13:10:10,660 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 13:10:10,661 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:10:10,661 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:10:10,661 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:10:10,661 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:10:09" (3/4) ... [2019-12-07 13:10:10,664 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 13:10:10,665 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:10:10,667 INFO L168 Benchmark]: Toolchain (without parser) took 1138.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 914.3 MB in the end (delta: 26.6 MB). Peak memory consumption was 128.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:10:10,667 INFO L168 Benchmark]: CDTParser took 0.18 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 13:10:10,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 182.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:10:10,668 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.04 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 13:10:10,669 INFO L168 Benchmark]: Boogie Preprocessor took 9.39 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 13:10:10,669 INFO L168 Benchmark]: RCFGBuilder took 121.97 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2019-12-07 13:10:10,670 INFO L168 Benchmark]: BuchiAutomizer took 797.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 914.3 MB in the end (delta: 165.3 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. [2019-12-07 13:10:10,670 INFO L168 Benchmark]: Witness Printer took 4.22 ms. Allocated memory is still 1.1 GB. Free memory is still 914.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:10:10,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 182.72 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 940.9 MB in the beginning and 1.1 GB in the end (delta: -157.9 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.04 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 9.39 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 121.97 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: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 797.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 914.3 MB in the end (delta: 165.3 MB). Peak memory consumption was 165.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.22 ms. Allocated memory is still 1.1 GB. Free memory is still 914.3 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 0.7s 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: 51ms 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...