./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.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-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.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 8fcad1cc5c987e49a6afac90dd5119b31f7d391b ..................................................................................................................................................................................................................................................................................................................................................................................... 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 06:34:09,958 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:34:09,960 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:34:09,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:34:09,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:34:09,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:34:09,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:34:09,991 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:34:09,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:34:09,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:34:09,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:34:09,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:34:09,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:34:09,999 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:34:10,001 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:34:10,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:34:10,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:34:10,004 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:34:10,006 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:34:10,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:34:10,010 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:34:10,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:34:10,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:34:10,022 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:34:10,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:34:10,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:34:10,026 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:34:10,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:34:10,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:34:10,029 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:34:10,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:34:10,030 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:34:10,031 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:34:10,032 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:34:10,033 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:34:10,033 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:34:10,034 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:34:10,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:34:10,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:34:10,035 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:34:10,036 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:34:10,037 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:34:10,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:34:10,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:34:10,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:34:10,075 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:34:10,075 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:34:10,075 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:34:10,075 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:34:10,076 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:34:10,076 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:34:10,076 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:34:10,077 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:34:10,078 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:34:10,078 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:34:10,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:34:10,079 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:34:10,080 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:34:10,080 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:34:10,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:34:10,081 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:34:10,081 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:34:10,082 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:34:10,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:34:10,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:34:10,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:34:10,083 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:34:10,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:34:10,083 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:34:10,084 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:34:10,084 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:34:10,085 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:34:10,085 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 -> 8fcad1cc5c987e49a6afac90dd5119b31f7d391b [2020-10-20 06:34:10,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:34:10,351 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:34:10,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:34:10,355 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:34:10,355 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:34:10,356 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2020-10-20 06:34:10,423 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4139e56/85f90b436c0a443eb27bcc4919fc7d58/FLAG05219a906 [2020-10-20 06:34:10,907 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:34:10,908 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2020-10-20 06:34:10,914 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4139e56/85f90b436c0a443eb27bcc4919fc7d58/FLAG05219a906 [2020-10-20 06:34:11,289 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a4139e56/85f90b436c0a443eb27bcc4919fc7d58 [2020-10-20 06:34:11,294 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:34:11,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:34:11,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:11,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:34:11,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:34:11,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,324 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f9e60b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11, skipping insertion in model container [2020-10-20 06:34:11,325 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:34:11,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:34:11,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:11,611 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:34:11,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:34:11,634 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:34:11,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11 WrapperNode [2020-10-20 06:34:11,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:34:11,639 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:11,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:34:11,640 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:34:11,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,652 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:34:11,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:34:11,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:34:11,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:34:11,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,685 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,694 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (1/1) ... [2020-10-20 06:34:11,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:34:11,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:34:11,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:34:11,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:34:11,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (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 06:34:11,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:34:11,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:34:11,915 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:34:11,916 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:34:11,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:11 BoogieIcfgContainer [2020-10-20 06:34:11,918 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:34:11,918 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:34:11,919 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:34:11,923 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:34:11,924 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:11,924 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:34:11" (1/3) ... [2020-10-20 06:34:11,925 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9ef0db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:11, skipping insertion in model container [2020-10-20 06:34:11,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:11,926 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:34:11" (2/3) ... [2020-10-20 06:34:11,926 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9ef0db1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:34:11, skipping insertion in model container [2020-10-20 06:34:11,926 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:34:11,927 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:11" (3/3) ... [2020-10-20 06:34:11,929 INFO L373 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c [2020-10-20 06:34:11,993 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:34:11,994 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:34:11,994 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:34:11,994 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:34:11,995 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:34:11,995 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:34:11,996 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:34:11,996 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:34:12,013 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-20 06:34:12,033 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:34:12,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:12,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:12,041 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:12,042 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:34:12,042 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:34:12,042 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-10-20 06:34:12,043 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:34:12,043 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:34:12,044 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:34:12,044 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:34:12,044 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:34:12,053 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~z~0;main_~x~0 := 0;main_~y~0 := 100;main_~z~0 := main_#t~nondet0;havoc main_#t~nondet0; 8#L15-2true [2020-10-20 06:34:12,053 INFO L796 eck$LassoCheckResult]: Loop: 8#L15-2true assume !!(main_~x~0 < 40); 3#L15true assume 0 == main_~z~0;main_~x~0 := 1 + main_~x~0; 8#L15-2true [2020-10-20 06:34:12,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:12,060 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:34:12,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:12,069 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965283728] [2020-10-20 06:34:12,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:12,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,149 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,154 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,174 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:12,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:12,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1284, now seen corresponding path program 1 times [2020-10-20 06:34:12,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:12,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307925092] [2020-10-20 06:34:12,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,188 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,192 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,194 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:12,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:12,196 INFO L82 PathProgramCache]: Analyzing trace with hash 31075, now seen corresponding path program 1 times [2020-10-20 06:34:12,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:34:12,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920445640] [2020-10-20 06:34:12,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:34:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:34:12,213 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:34:12,215 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:34:12,282 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:12,283 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:12,283 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:12,284 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:12,284 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:34:12,284 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:12,285 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:12,285 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:12,285 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c_Iteration1_Loop [2020-10-20 06:34:12,285 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:12,286 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:12,326 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 06:34:12,339 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 06:34:12,407 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:12,408 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 06:34:12,421 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:12,422 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 06:34:12,434 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:34:12,435 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0=0} Honda state: {ULTIMATE.start_main_~z~0=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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:12,490 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:34:12,490 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 06:34:12,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:34:12,526 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:34:12,558 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:34:12,560 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:34:12,560 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:34:12,560 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:34:12,561 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:34:12,561 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:34:12,561 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:12,561 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:34:12,561 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:34:12,561 INFO L133 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-easy1.c_Iteration1_Loop [2020-10-20 06:34:12,561 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:34:12,562 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:34:12,563 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 06:34:12,576 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 06:34:12,622 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:34:12,628 INFO L489 LassoAnalysis]: Using template 'affine'. 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 06:34:12,638 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 06:34:12,642 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:12,642 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:12,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:12,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:12,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:12,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:12,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:12,651 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 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 06:34:12,690 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 06:34:12,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:34:12,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:34:12,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:34:12,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:34:12,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:34:12,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:34:12,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:34:12,700 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:34:12,705 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:34:12,705 INFO L444 ModelExtractionUtils]: 0 out of 3 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:34:12,727 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:34:12,727 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:34:12,727 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:34:12,728 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = -2*ULTIMATE.start_main_~x~0 + 79 Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:34:12,764 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:34:12,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:34:12,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:12,809 INFO L263 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:34:12,811 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:34:12,822 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:34:12,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:34:12,843 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 06:34:12,860 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2020-10-20 06:34:12,862 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states. Second operand 3 states. [2020-10-20 06:34:12,936 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states.. Second operand 3 states. Result 17 states and 22 transitions. Complement of second has 7 states. [2020-10-20 06:34:12,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2020-10-20 06:34:12,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:34:12,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 12 transitions. [2020-10-20 06:34:12,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-20 06:34:12,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:12,941 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 3 letters. Loop has 2 letters. [2020-10-20 06:34:12,941 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:12,942 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 12 transitions. Stem has 1 letters. Loop has 4 letters. [2020-10-20 06:34:12,942 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:34:12,943 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 22 transitions. [2020-10-20 06:34:12,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:12,948 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2020-10-20 06:34:12,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:34:12,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:34:12,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:34:12,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:34:12,950 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:12,950 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:12,950 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:34:12,950 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:34:12,950 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:34:12,950 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:34:12,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:34:12,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:34:12 BoogieIcfgContainer [2020-10-20 06:34:12,956 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:34:12,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:34:12,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:34:12,957 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:34:12,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:34:11" (3/4) ... [2020-10-20 06:34:12,960 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:34:12,960 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:34:12,963 INFO L168 Benchmark]: Toolchain (without parser) took 1666.99 ms. Allocated memory was 34.1 MB in the beginning and 48.2 MB in the end (delta: 14.2 MB). Free memory was 6.9 MB in the beginning and 16.5 MB in the end (delta: -9.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,965 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.2 kB). Peak memory consumption was 47.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,966 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 27.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 44.6 MB. Free memory was 27.8 MB in the beginning and 26.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,968 INFO L168 Benchmark]: Boogie Preprocessor took 21.71 ms. Allocated memory is still 44.6 MB. Free memory was 26.4 MB in the beginning and 25.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,969 INFO L168 Benchmark]: RCFGBuilder took 221.57 ms. Allocated memory is still 44.6 MB. Free memory was 25.1 MB in the beginning and 16.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,970 INFO L168 Benchmark]: BuchiAutomizer took 1037.51 ms. Allocated memory was 44.6 MB in the beginning and 48.2 MB in the end (delta: 3.7 MB). Free memory was 16.6 MB in the beginning and 16.8 MB in the end (delta: -286.7 kB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,971 INFO L168 Benchmark]: Witness Printer took 4.45 ms. Allocated memory is still 48.2 MB. Free memory was 16.8 MB in the beginning and 16.5 MB in the end (delta: 340.2 kB). Peak memory consumption was 340.2 kB. Max. memory is 14.3 GB. [2020-10-20 06:34:12,976 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 33.6 MB. Free memory was 11.0 MB in the beginning and 11.0 MB in the end (delta: 47.2 kB). Peak memory consumption was 47.2 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 319.62 ms. Allocated memory was 36.2 MB in the beginning and 44.6 MB in the end (delta: 8.4 MB). Free memory was 19.0 MB in the beginning and 27.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 10.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 34.36 ms. Allocated memory is still 44.6 MB. Free memory was 27.8 MB in the beginning and 26.4 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 21.71 ms. Allocated memory is still 44.6 MB. Free memory was 26.4 MB in the beginning and 25.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 221.57 ms. Allocated memory is still 44.6 MB. Free memory was 25.1 MB in the beginning and 16.7 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1037.51 ms. Allocated memory was 44.6 MB in the beginning and 48.2 MB in the end (delta: 3.7 MB). Free memory was 16.6 MB in the beginning and 16.8 MB in the end (delta: -286.7 kB). Peak memory consumption was 3.4 MB. Max. memory is 14.3 GB. * Witness Printer took 4.45 ms. Allocated memory is still 48.2 MB. Free memory was 16.8 MB in the beginning and 16.5 MB in the end (delta: 340.2 kB). Peak memory consumption was 340.2 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 -2 * x + 79 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 5 SDslu, 6 SDs, 0 SdLazy, 7 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 22ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 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...