./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_AG313.c --full-output --architecture 64bit -------------------------------------------------------------------------------- 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/termination-restricted-15/java_AG313.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-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 64bit --witnessprinter.graph.data.programhash ee2c4bfb4f0e969c72d63e165333f022bc23e626 ................................................................................................................................................................................................................................................................................................................................................................ 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 06:36:41,785 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:41,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:41,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:41,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:41,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:41,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:41,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:41,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:41,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:41,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:41,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:41,820 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:41,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:41,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:41,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:41,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:41,826 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:41,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:41,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:41,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:41,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:41,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:41,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:41,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:41,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:41,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:41,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:41,852 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:41,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:41,854 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:41,855 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:41,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:41,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:41,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:41,859 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:41,860 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:41,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:41,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:41,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:41,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:41,864 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:41,911 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:41,913 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:41,914 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:41,916 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:41,916 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:41,916 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:41,917 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:41,917 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:41,917 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:41,917 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:41,919 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:41,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:41,919 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:41,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:41,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:41,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:41,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:41,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:41,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:41,922 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:41,922 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:41,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:41,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:41,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:41,923 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:41,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:41,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:41,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:41,925 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:41,926 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:41,926 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ee2c4bfb4f0e969c72d63e165333f022bc23e626 [2020-10-20 06:36:42,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:42,147 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:42,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:42,152 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:42,152 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:42,153 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_AG313.c [2020-10-20 06:36:42,229 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4757f3e4a/0929580fe4294d579ca07ef7d6bd9ae0/FLAG4c7f0361a [2020-10-20 06:36:42,715 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:42,716 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_AG313.c [2020-10-20 06:36:42,720 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4757f3e4a/0929580fe4294d579ca07ef7d6bd9ae0/FLAG4c7f0361a [2020-10-20 06:36:43,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4757f3e4a/0929580fe4294d579ca07ef7d6bd9ae0 [2020-10-20 06:36:43,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:43,173 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:43,174 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:43,174 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:43,177 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:43,178 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a6ae4cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43, skipping insertion in model container [2020-10-20 06:36:43,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,191 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:43,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:43,388 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:43,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:43,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:43,422 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:36:43,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43 WrapperNode [2020-10-20 06:36:43,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:43,424 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:43,425 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:36:43,425 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:36:43,434 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,440 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,458 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:43,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:36:43,459 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:36:43,459 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:36:43,469 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,472 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,477 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,479 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:36:43,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:36:43,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:36:43,480 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:36:43,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (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 06:36:43,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:36:43,556 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:36:43,752 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:36:43,753 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:36:43,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:43 BoogieIcfgContainer [2020-10-20 06:36:43,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:36:43,755 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:36:43,755 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:36:43,759 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:36:43,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:43,760 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:43" (1/3) ... [2020-10-20 06:36:43,761 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39688a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:43, skipping insertion in model container [2020-10-20 06:36:43,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:43,762 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43" (2/3) ... [2020-10-20 06:36:43,762 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@39688a60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:43, skipping insertion in model container [2020-10-20 06:36:43,762 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:43,763 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:43" (3/3) ... [2020-10-20 06:36:43,764 INFO L373 chiAutomizerObserver]: Analyzing ICFG java_AG313.c [2020-10-20 06:36:43,809 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:36:43,809 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:36:43,809 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:36:43,809 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:36:43,809 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:36:43,810 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:36:43,810 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:36:43,810 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:36:43,822 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-20 06:36:43,841 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:43,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:43,842 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:43,849 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:36:43,849 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:43,849 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:36:43,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-20 06:36:43,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:43,851 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:43,851 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:43,851 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 06:36:43,852 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:43,860 INFO L794 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~i~0, main_~x~0, main_~y~0;havoc main_~i~0;havoc main_~x~0;havoc main_~y~0;main_~i~0 := 0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 3#L10true assume 0 != main_~x~0; 8#L11-2true [2020-10-20 06:36:43,860 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~i~0 := 1 + main_~i~0;main_~x~0 := main_~x~0 - 1 - (main_~y~0 - 1); 8#L11-2true [2020-10-20 06:36:43,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:43,866 INFO L82 PathProgramCache]: Analyzing trace with hash 996, now seen corresponding path program 1 times [2020-10-20 06:36:43,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:43,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412285944] [2020-10-20 06:36:43,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:43,962 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:43,973 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:43,991 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:43,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:43,992 INFO L82 PathProgramCache]: Analyzing trace with hash 44, now seen corresponding path program 1 times [2020-10-20 06:36:43,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:43,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253887202] [2020-10-20 06:36:43,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:44,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,005 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,009 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,011 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:44,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:44,013 INFO L82 PathProgramCache]: Analyzing trace with hash 30889, now seen corresponding path program 1 times [2020-10-20 06:36:44,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:44,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1360714130] [2020-10-20 06:36:44,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:44,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,022 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,030 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,032 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:44,101 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:44,102 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:44,103 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:44,103 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:44,103 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:36:44,104 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,104 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:44,104 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:44,104 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2020-10-20 06:36:44,105 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:44,105 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:44,135 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 06:36:44,157 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 06:36:44,163 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 06:36:44,169 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 06:36:44,314 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:44,315 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 06:36:44,321 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:44,322 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 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,358 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:36:44,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:44,449 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:36:44,451 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:44,451 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:44,451 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:44,451 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:44,452 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:44,452 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,452 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:44,452 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:44,452 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_AG313.c_Iteration1_Loop [2020-10-20 06:36:44,452 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:44,452 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:44,455 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 06:36:44,468 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 06:36:44,472 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 06:36:44,476 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 06:36:44,570 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:44,575 INFO L489 LassoAnalysis]: Using template 'affine'. 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,585 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 06:36:44,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:44,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:44,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:44,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:44,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:44,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:44,594 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:44,597 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:36:44,608 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2020-10-20 06:36:44,608 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. 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 06:36:44,615 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:36:44,615 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:36:44,616 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:36:44,616 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-10-20 06:36:44,651 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:36:44,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:44,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:44,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:36:44,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:44,702 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:36:44,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:44,703 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 06:36:44,720 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 06:36:44,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 2 states. [2020-10-20 06:36:44,764 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 2 states. Result 20 states and 23 transitions. Complement of second has 5 states. [2020-10-20 06:36:44,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:36:44,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:36:44,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2020-10-20 06:36:44,769 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 1 letters. [2020-10-20 06:36:44,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:44,771 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 3 letters. Loop has 1 letters. [2020-10-20 06:36:44,771 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:44,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 06:36:44,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:44,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 23 transitions. [2020-10-20 06:36:44,776 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:44,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 0 states and 0 transitions. [2020-10-20 06:36:44,780 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:36:44,780 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:36:44,781 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:36:44,781 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:44,781 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:44,781 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:44,782 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:44,782 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:36:44,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:36:44,782 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:44,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:36:44,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:36:44 BoogieIcfgContainer [2020-10-20 06:36:44,790 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:36:44,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:36:44,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:36:44,791 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:36:44,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:43" (3/4) ... [2020-10-20 06:36:44,795 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:36:44,795 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:36:44,798 INFO L168 Benchmark]: Toolchain (without parser) took 1629.70 ms. Allocated memory was 40.4 MB in the beginning and 45.6 MB in the end (delta: 5.2 MB). Free memory was 18.2 MB in the beginning and 13.3 MB in the end (delta: 4.9 MB). Peak memory consumption was 10.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,799 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.12 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 18.0 MB in the end (delta: -631.1 kB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,801 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.42 ms. Allocated memory is still 41.4 MB. Free memory was 18.0 MB in the beginning and 16.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,802 INFO L168 Benchmark]: Boogie Preprocessor took 20.41 ms. Allocated memory is still 41.4 MB. Free memory was 16.5 MB in the beginning and 15.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,803 INFO L168 Benchmark]: RCFGBuilder took 274.76 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 15.2 MB in the beginning and 22.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,804 INFO L168 Benchmark]: BuchiAutomizer took 1034.73 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.0 MB in the beginning and 13.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,805 INFO L168 Benchmark]: Witness Printer took 4.83 ms. Allocated memory is still 45.6 MB. Free memory was 13.6 MB in the beginning and 13.3 MB in the end (delta: 303.1 kB). Peak memory consumption was 303.1 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:44,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 31.5 MB. Free memory was 7.4 MB in the beginning and 7.4 MB in the end (delta: 44.0 kB). Peak memory consumption was 44.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 250.12 ms. Allocated memory was 40.4 MB in the beginning and 41.4 MB in the end (delta: 1.0 MB). Free memory was 17.4 MB in the beginning and 18.0 MB in the end (delta: -631.1 kB). Peak memory consumption was 8.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.42 ms. Allocated memory is still 41.4 MB. Free memory was 18.0 MB in the beginning and 16.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 20.41 ms. Allocated memory is still 41.4 MB. Free memory was 16.5 MB in the beginning and 15.4 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 274.76 ms. Allocated memory was 41.4 MB in the beginning and 43.5 MB in the end (delta: 2.1 MB). Free memory was 15.2 MB in the beginning and 22.2 MB in the end (delta: -7.0 MB). Peak memory consumption was 5.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1034.73 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.0 MB in the beginning and 13.6 MB in the end (delta: 8.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 14.3 GB. * Witness Printer took 4.83 ms. Allocated memory is still 45.6 MB. Free memory was 13.6 MB in the beginning and 13.3 MB in the end (delta: 303.1 kB). Peak memory consumption was 303.1 kB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 9 SDtfs, 9 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital20 mio100 ax160 hnf93 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie120 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...