./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive/Addition01-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/recursive/Addition01-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0c2780d79847d31970febd5cb46fb7efe933c8ec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:59:14,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:59:14,877 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:59:14,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:59:14,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:59:14,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:59:14,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:59:14,909 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:59:14,911 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:59:14,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:59:14,914 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:59:14,915 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:59:14,916 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:59:14,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:59:14,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:59:14,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:59:14,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:59:14,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:59:14,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:59:14,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:59:14,929 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:59:14,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:59:14,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:59:14,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:59:14,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:59:14,937 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:59:14,937 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:59:14,938 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:59:14,951 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:59:14,952 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:59:14,952 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:59:14,953 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:59:14,954 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:59:14,955 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:59:14,956 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:59:14,957 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:59:14,957 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:59:14,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:59:14,958 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:59:14,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:59:14,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:59:14,964 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:59:15,014 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:59:15,015 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:59:15,016 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:59:15,016 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:59:15,016 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:59:15,017 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:59:15,017 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:59:15,017 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:59:15,017 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:59:15,018 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:59:15,018 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:59:15,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:59:15,019 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:59:15,019 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:59:15,019 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:59:15,019 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:59:15,020 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:59:15,020 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:59:15,020 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:59:15,020 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:59:15,021 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:59:15,021 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:59:15,021 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:59:15,021 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:59:15,022 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:59:15,022 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:59:15,022 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:59:15,022 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:59:15,023 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:59:15,023 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:59:15,023 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:59:15,023 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:59:15,025 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:59:15,025 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 0c2780d79847d31970febd5cb46fb7efe933c8ec [2020-10-20 07:59:15,253 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:59:15,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:59:15,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:59:15,274 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:59:15,275 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:59:15,276 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/Addition01-2.c [2020-10-20 07:59:15,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72849db34/7cd9da78c6cb42aaa4c20d5376b8d053/FLAGaa1e9130d [2020-10-20 07:59:15,862 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:59:15,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/Addition01-2.c [2020-10-20 07:59:15,871 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72849db34/7cd9da78c6cb42aaa4c20d5376b8d053/FLAGaa1e9130d [2020-10-20 07:59:16,258 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72849db34/7cd9da78c6cb42aaa4c20d5376b8d053 [2020-10-20 07:59:16,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:59:16,270 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:59:16,272 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:59:16,272 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:59:16,285 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:59:16,287 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20e1a7ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16, skipping insertion in model container [2020-10-20 07:59:16,291 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,300 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:59:16,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:59:16,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:59:16,671 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:59:16,701 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:59:16,723 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:59:16,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16 WrapperNode [2020-10-20 07:59:16,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:59:16,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:59:16,727 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:59:16,727 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:59:16,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,770 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:59:16,771 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:59:16,771 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:59:16,771 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:59:16,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,794 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,795 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... [2020-10-20 07:59:16,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:59:16,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:59:16,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:59:16,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:59:16,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:16,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:59:16,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:59:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:59:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:59:16,883 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2020-10-20 07:59:16,884 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2020-10-20 07:59:17,139 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:59:17,140 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-20 07:59:17,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:59:17 BoogieIcfgContainer [2020-10-20 07:59:17,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:59:17,143 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:59:17,143 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:59:17,147 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:59:17,148 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:59:17,148 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:59:16" (1/3) ... [2020-10-20 07:59:17,149 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1084d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:59:17, skipping insertion in model container [2020-10-20 07:59:17,149 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:59:17,150 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:59:16" (2/3) ... [2020-10-20 07:59:17,150 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1084d8ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:59:17, skipping insertion in model container [2020-10-20 07:59:17,150 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:59:17,151 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:59:17" (3/3) ... [2020-10-20 07:59:17,152 INFO L373 chiAutomizerObserver]: Analyzing ICFG Addition01-2.c [2020-10-20 07:59:17,210 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:59:17,211 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:59:17,211 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:59:17,211 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:59:17,211 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:59:17,212 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:59:17,212 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:59:17,212 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:59:17,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-20 07:59:17,274 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 07:59:17,275 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:59:17,275 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:59:17,290 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 07:59:17,290 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 07:59:17,290 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:59:17,291 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states. [2020-10-20 07:59:17,295 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 07:59:17,295 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:59:17,296 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:59:17,297 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2020-10-20 07:59:17,297 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2020-10-20 07:59:17,310 INFO L794 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 11#L-1true havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 8#L30true assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 22#L36true assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 10#L41true call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 12#additionENTRYtrue [2020-10-20 07:59:17,310 INFO L796 eck$LassoCheckResult]: Loop: 12#additionENTRYtrue ~m := #in~m;~n := #in~n; 9#L16true assume !(0 == ~n); 4#L19true assume ~n > 0; 3#L20true call #t~ret7 := addition(1 + ~m, ~n - 1);< 12#additionENTRYtrue [2020-10-20 07:59:17,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:17,319 INFO L82 PathProgramCache]: Analyzing trace with hash 28695877, now seen corresponding path program 1 times [2020-10-20 07:59:17,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:59:17,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6122371] [2020-10-20 07:59:17,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:59:17,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,453 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,475 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,502 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:59:17,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:17,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1758770, now seen corresponding path program 1 times [2020-10-20 07:59:17,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:59:17,505 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907111775] [2020-10-20 07:59:17,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:59:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,528 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,530 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:59:17,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:17,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1297641846, now seen corresponding path program 1 times [2020-10-20 07:59:17,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:59:17,534 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384104134] [2020-10-20 07:59:17,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:59:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,570 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:17,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:17,619 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:59:17,759 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:59:17,760 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:59:17,760 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:59:17,760 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:59:17,761 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:59:17,761 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:17,761 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:59:17,761 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:59:17,762 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2020-10-20 07:59:17,762 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:59:17,762 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:59:17,780 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,798 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,811 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,816 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,828 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:17,918 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:59:17,919 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:17,934 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:17,934 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:17,946 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:17,947 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_~m=0} Honda state: {addition_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:17,995 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:17,996 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:18,045 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:59:18,045 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:18,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:18,066 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=0} Honda state: {addition_#in~m=0} Generalized eigenvectors: [{addition_#in~m=-1}, {addition_#in~m=-1}, {addition_#in~m=3}] Lambdas: [1, 4, 1] Nus: [0, 1] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:18,102 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:59:18,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:18,106 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#t~ret8=0} Honda state: {addition_#t~ret8=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:18,132 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:59:18,135 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:18,136 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,162 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:18,162 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:59:18,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:59:18,266 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:59:18,269 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:59:18,269 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:59:18,269 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:59:18,269 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:59:18,270 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:59:18,270 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:18,270 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:59:18,270 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:59:18,270 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration1_Loop [2020-10-20 07:59:18,270 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:59:18,270 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:59:18,272 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,288 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,307 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,310 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:18,384 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:59:18,390 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:18,407 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 Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:18,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,411 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,414 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,418 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,449 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 [2020-10-20 07:59:18,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,456 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,498 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 [2020-10-20 07:59:18,500 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,502 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,502 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,506 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,539 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 [2020-10-20 07:59:18,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,542 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,545 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,574 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 [2020-10-20 07:59:18,576 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,576 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,576 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,576 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,576 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,577 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,577 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,579 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,605 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 [2020-10-20 07:59:18,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,617 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,661 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 [2020-10-20 07:59:18,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:18,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:18,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:18,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:18,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:18,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:18,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:18,672 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:59:18,686 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:59:18,686 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-10-20 07:59:18,697 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:59:18,697 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:59:18,698 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:59:18,699 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_#in~n) = 1*addition_#in~n Supporting invariants [] [2020-10-20 07:59:18,744 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:59:18,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:59:18,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:59:18,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:59:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:59:18,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 07:59:18,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:59:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:59:18,950 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2020-10-20 07:59:18,952 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 22 states. Second operand 4 states. [2020-10-20 07:59:19,112 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 22 states.. Second operand 4 states. Result 55 states and 74 transitions. Complement of second has 12 states. [2020-10-20 07:59:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 07:59:19,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-10-20 07:59:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2020-10-20 07:59:19,120 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 4 letters. [2020-10-20 07:59:19,123 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:19,123 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 9 letters. Loop has 4 letters. [2020-10-20 07:59:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:19,124 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 5 letters. Loop has 8 letters. [2020-10-20 07:59:19,124 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:19,126 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 74 transitions. [2020-10-20 07:59:19,132 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 07:59:19,140 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 27 states and 30 transitions. [2020-10-20 07:59:19,142 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2020-10-20 07:59:19,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2020-10-20 07:59:19,143 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 30 transitions. [2020-10-20 07:59:19,144 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:59:19,144 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 30 transitions. [2020-10-20 07:59:19,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 30 transitions. [2020-10-20 07:59:19,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 18. [2020-10-20 07:59:19,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-10-20 07:59:19,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 21 transitions. [2020-10-20 07:59:19,192 INFO L714 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 07:59:19,192 INFO L594 BuchiCegarLoop]: Abstraction has 18 states and 21 transitions. [2020-10-20 07:59:19,193 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:59:19,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 21 transitions. [2020-10-20 07:59:19,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 07:59:19,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:59:19,195 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:59:19,195 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 07:59:19,196 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2020-10-20 07:59:19,196 INFO L794 eck$LassoCheckResult]: Stem: 150#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(15);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 139#L-1 havoc main_#res;havoc main_#t~nondet9, main_#t~nondet10, main_#t~ret11, main_~m~0, main_~n~0, main_~result~0;main_~m~0 := main_#t~nondet9;havoc main_#t~nondet9; 140#L30 assume !(main_~m~0 < 0 || main_~m~0 > 1073741823);main_~n~0 := main_#t~nondet10;havoc main_#t~nondet10; 154#L36 assume !(main_~n~0 < 0 || main_~n~0 > 1073741823); 146#L41 call main_#t~ret11 := addition(main_~m~0, main_~n~0);< 147#additionENTRY ~m := #in~m;~n := #in~n; 149#L16 assume !(0 == ~n); 151#L19 assume !(~n > 0); 152#L22 [2020-10-20 07:59:19,196 INFO L796 eck$LassoCheckResult]: Loop: 152#L22 assume ~n < 0; 142#L23 call #t~ret8 := addition(~m - 1, 1 + ~n);< 143#additionENTRY ~m := #in~m;~n := #in~n; 156#L16 assume !(0 == ~n); 155#L19 assume !(~n > 0); 152#L22 [2020-10-20 07:59:19,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:19,197 INFO L82 PathProgramCache]: Analyzing trace with hash 180406748, now seen corresponding path program 1 times [2020-10-20 07:59:19,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:59:19,198 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108809160] [2020-10-20 07:59:19,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:59:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:59:19,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:59:19,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108809160] [2020-10-20 07:59:19,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 07:59:19,322 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-20 07:59:19,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819552873] [2020-10-20 07:59:19,327 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 07:59:19,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:19,328 INFO L82 PathProgramCache]: Analyzing trace with hash 67056695, now seen corresponding path program 1 times [2020-10-20 07:59:19,328 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:59:19,328 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280480060] [2020-10-20 07:59:19,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:59:19,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:19,335 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:59:19,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:59:19,341 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:59:19,431 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:59:19,431 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:59:19,432 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:59:19,432 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:59:19,432 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:59:19,432 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:19,432 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:59:19,432 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:59:19,432 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2020-10-20 07:59:19,432 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:59:19,433 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:59:19,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:19,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:19,454 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:19,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:19,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:19,541 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:59:19,541 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:19,555 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:19,556 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:19,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:59:19,617 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:59:19,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:19,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#in~m=-2, addition_~m=-2} Honda state: {addition_#in~m=-2, addition_~m=-2} Generalized eigenvectors: [{addition_#in~m=-2, addition_~m=-2}, {addition_#in~m=1, addition_~m=1}, {addition_#in~m=0, addition_~m=0}] Lambdas: [1, 1, 15] Nus: [0, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:19,919 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:19,920 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:19,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:59:19,930 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {addition_#res=0} Honda state: {addition_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:19,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:59:19,985 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:20,053 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:59:20,053 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:59:31,029 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:59:31,032 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:59:31,032 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:59:31,032 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:59:31,033 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:59:31,033 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:59:31,034 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:31,034 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:59:31,034 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:59:31,034 INFO L133 ssoRankerPreferences]: Filename of dumped script: Addition01-2.c_Iteration2_Loop [2020-10-20 07:59:31,034 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:59:31,034 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:59:31,036 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:31,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:31,047 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:31,061 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:31,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:59:31,138 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:59:31,138 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:31,150 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 [2020-10-20 07:59:31,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:31,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:31,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:31,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:31,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:31,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:31,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:31,158 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:31,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:59:31,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:31,193 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:31,193 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:31,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:31,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:31,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:31,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:31,200 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:31,238 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 [2020-10-20 07:59:31,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:59:31,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:59:31,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:59:31,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:59:31,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:59:31,243 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:59:31,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 07:59:31,249 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:59:31,259 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:59:31,259 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:59:31,269 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:59:31,270 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:59:31,270 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:59:31,270 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(addition_~n) = -1*addition_~n Supporting invariants [] Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:59:31,320 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:59:31,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:59:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:59:31,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:59:31,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:59:31,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:59:31,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2020-10-20 07:59:31,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:59:31,506 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:59:31,506 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2020-10-20 07:59:31,507 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5 Second operand 5 states. [2020-10-20 07:59:31,548 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 21 transitions. cyclomatic complexity: 5. Second operand 5 states. Result 32 states and 37 transitions. Complement of second has 13 states. [2020-10-20 07:59:31,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2020-10-20 07:59:31,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-10-20 07:59:31,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-20 07:59:31,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 5 letters. [2020-10-20 07:59:31,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:31,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 13 letters. Loop has 5 letters. [2020-10-20 07:59:31,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:31,552 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 8 letters. Loop has 10 letters. [2020-10-20 07:59:31,552 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:59:31,553 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 37 transitions. [2020-10-20 07:59:31,555 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2020-10-20 07:59:31,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 27 states and 31 transitions. [2020-10-20 07:59:31,556 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2020-10-20 07:59:31,556 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2020-10-20 07:59:31,556 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2020-10-20 07:59:31,557 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2020-10-20 07:59:31,557 INFO L691 BuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2020-10-20 07:59:31,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2020-10-20 07:59:31,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2020-10-20 07:59:31,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-20 07:59:31,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2020-10-20 07:59:31,561 INFO L714 BuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2020-10-20 07:59:31,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 07:59:31,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-20 07:59:31,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-20 07:59:31,566 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand 6 states. [2020-10-20 07:59:31,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 07:59:31,625 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2020-10-20 07:59:31,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-20 07:59:31,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2020-10-20 07:59:31,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:59:31,627 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2020-10-20 07:59:31,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:59:31,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:59:31,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:59:31,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:59:31,628 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:59:31,628 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:59:31,628 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:59:31,628 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 07:59:31,628 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:59:31,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:59:31,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:59:31,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:59:31 BoogieIcfgContainer [2020-10-20 07:59:31,638 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:59:31,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:59:31,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:59:31,639 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:59:31,640 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:59:17" (3/4) ... [2020-10-20 07:59:31,644 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:59:31,644 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:59:31,647 INFO L168 Benchmark]: Toolchain (without parser) took 15382.12 ms. Allocated memory was 35.1 MB in the beginning and 57.1 MB in the end (delta: 22.0 MB). Free memory was 7.2 MB in the beginning and 25.6 MB in the end (delta: -18.4 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,648 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 35.1 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,649 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.38 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 6.4 MB in the beginning and 28.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.01 ms. Allocated memory is still 46.1 MB. Free memory was 28.6 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,651 INFO L168 Benchmark]: Boogie Preprocessor took 29.17 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 25.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,652 INFO L168 Benchmark]: RCFGBuilder took 341.65 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.8 MB in the beginning and 26.6 MB in the end (delta: -786.1 kB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,653 INFO L168 Benchmark]: BuchiAutomizer took 14494.97 ms. Allocated memory was 48.2 MB in the beginning and 57.1 MB in the end (delta: 8.9 MB). Free memory was 26.3 MB in the beginning and 25.6 MB in the end (delta: 716.8 kB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:59:31,654 INFO L168 Benchmark]: Witness Printer took 6.04 ms. Allocated memory is still 57.1 MB. Free memory is still 25.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 07:59:31,660 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 35.1 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 454.38 ms. Allocated memory was 35.1 MB in the beginning and 46.1 MB in the end (delta: 11.0 MB). Free memory was 6.4 MB in the beginning and 28.8 MB in the end (delta: -22.4 MB). Peak memory consumption was 6.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 44.01 ms. Allocated memory is still 46.1 MB. Free memory was 28.6 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 29.17 ms. Allocated memory is still 46.1 MB. Free memory was 27.0 MB in the beginning and 25.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 341.65 ms. Allocated memory was 46.1 MB in the beginning and 48.2 MB in the end (delta: 2.1 MB). Free memory was 25.8 MB in the beginning and 26.6 MB in the end (delta: -786.1 kB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 14494.97 ms. Allocated memory was 48.2 MB in the beginning and 57.1 MB in the end (delta: 8.9 MB). Free memory was 26.3 MB in the beginning and 25.6 MB in the end (delta: 716.8 kB). Peak memory consumption was 9.6 MB. Max. memory is 14.3 GB. * Witness Printer took 6.04 ms. Allocated memory is still 57.1 MB. Free memory is still 25.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function \old(n) and consists of 4 locations. One deterministic module has affine ranking function -1 * n and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 6 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 14.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 13.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 11 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 18 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 30 SDtfs, 41 SDslu, 13 SDs, 0 SdLazy, 65 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital21 mio100 ax100 hnf100 lsp69 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq166 hnf93 smp87 dnf100 smp100 tf110 neg97 sie109 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 11.6s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...