./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a34fcaedf289ed1419ae371aaeede0cd9385c2dc .......................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 07:05:06,721 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:05:06,723 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:05:06,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:05:06,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:05:06,750 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:05:06,751 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:05:06,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:05:06,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:05:06,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:05:06,756 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:05:06,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:05:06,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:05:06,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:05:06,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:05:06,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:05:06,762 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:05:06,763 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:05:06,765 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:05:06,767 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:05:06,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:05:06,770 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:05:06,771 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:05:06,772 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:05:06,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:05:06,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:05:06,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:05:06,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:05:06,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:05:06,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:05:06,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:05:06,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:05:06,780 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:05:06,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:05:06,782 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:05:06,782 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:05:06,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:05:06,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:05:06,783 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:05:06,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:05:06,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:05:06,786 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:05:06,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:05:06,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:05:06,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:05:06,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:05:06,838 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:05:06,838 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:05:06,839 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:05:06,839 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:05:06,839 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:05:06,839 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:05:06,840 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:05:06,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:05:06,841 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:05:06,842 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:05:06,842 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:05:06,842 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:05:06,842 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:05:06,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:05:06,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:05:06,843 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:05:06,843 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:05:06,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:05:06,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:05:06,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:05:06,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:05:06,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:05:06,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:05:06,845 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:05:06,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:05:06,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:05:06,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:05:06,846 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:05:06,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:05:06,848 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a34fcaedf289ed1419ae371aaeede0cd9385c2dc [2020-10-20 07:05:07,060 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:05:07,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:05:07,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:05:07,083 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:05:07,083 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:05:07,085 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2020-10-20 07:05:07,159 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82fd04033/84c1f1e7be2d48358314b7abe8f1b528/FLAGa682ae428 [2020-10-20 07:05:07,634 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:05:07,635 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-acceleration/array_2-1-simple.i [2020-10-20 07:05:07,641 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82fd04033/84c1f1e7be2d48358314b7abe8f1b528/FLAGa682ae428 [2020-10-20 07:05:07,989 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82fd04033/84c1f1e7be2d48358314b7abe8f1b528 [2020-10-20 07:05:07,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:05:07,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:05:08,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:05:08,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:05:08,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:05:08,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:05:07" (1/1) ... [2020-10-20 07:05:08,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15e3d2b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08, skipping insertion in model container [2020-10-20 07:05:08,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:05:07" (1/1) ... [2020-10-20 07:05:08,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:05:08,034 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:05:08,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:05:08,350 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:05:08,371 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:05:08,390 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:05:08,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08 WrapperNode [2020-10-20 07:05:08,391 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:05:08,391 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:05:08,392 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:05:08,392 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:05:08,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,427 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:05:08,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:05:08,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:05:08,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:05:08,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,438 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... [2020-10-20 07:05:08,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:05:08,461 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:05:08,461 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:05:08,461 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:05:08,462 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:08,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:05:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-20 07:05:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:05:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 07:05:08,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:05:08,531 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:05:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 07:05:08,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 07:05:08,778 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:05:08,779 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 07:05:08,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08 BoogieIcfgContainer [2020-10-20 07:05:08,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:05:08,782 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:05:08,782 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:05:08,786 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:05:08,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:05:07" (1/3) ... [2020-10-20 07:05:08,789 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a296744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:05:08, skipping insertion in model container [2020-10-20 07:05:08,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:05:08" (2/3) ... [2020-10-20 07:05:08,790 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1a296744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:05:08, skipping insertion in model container [2020-10-20 07:05:08,790 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:05:08,790 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08" (3/3) ... [2020-10-20 07:05:08,792 INFO L373 chiAutomizerObserver]: Analyzing ICFG array_2-1-simple.i [2020-10-20 07:05:08,867 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:05:08,867 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:05:08,868 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:05:08,868 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:05:08,868 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:05:08,869 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:05:08,869 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:05:08,869 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:05:08,893 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:05:08,920 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:05:08,920 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:05:08,921 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:05:08,928 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:05:08,929 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:05:08,929 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:05:08,937 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-20 07:05:08,939 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 07:05:08,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:05:08,940 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:05:08,940 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:05:08,940 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 07:05:08,948 INFO L794 eck$LassoCheckResult]: Stem: 9#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(12); 6#L-1true havoc main_#res;havoc main_#t~mem4, main_#t~post3, main_#t~mem5, main_#t~mem6, main_~#A~0.base, main_~#A~0.offset, main_~#B~0.base, main_~#B~0.offset, main_~i~0, main_~tmp~0;call main_~#A~0.base, main_~#A~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#A~0.base);call write~unchecked~int(0, main_~#A~0.base, main_~#A~0.offset, 4);call main_~#B~0.base, main_~#B~0.offset := #Ultimate.allocOnStack(8192);#memory_int := ~initToZeroAtPointerBaseAddress~int(#memory_int, main_~#B~0.base);call write~unchecked~int(0, main_~#B~0.base, main_~#B~0.offset, 4);havoc main_~i~0;havoc main_~tmp~0;main_~i~0 := 0; 8#L24-3true [2020-10-20 07:05:08,949 INFO L796 eck$LassoCheckResult]: Loop: 8#L24-3true assume !!(main_~i~0 < 2048);call main_#t~mem4 := read~int(main_~#A~0.base, main_~#A~0.offset + 4 * main_~i~0, 4);main_~tmp~0 := main_#t~mem4;havoc main_#t~mem4;call write~int(main_~tmp~0, main_~#B~0.base, main_~#B~0.offset + 4 * main_~i~0, 4); 10#L24-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 8#L24-3true [2020-10-20 07:05:08,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:08,954 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:05:08,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:08,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630256933] [2020-10-20 07:05:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,120 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:09,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:09,122 INFO L82 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2020-10-20 07:05:09,122 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:09,123 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517869943] [2020-10-20 07:05:09,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:09,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,133 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,157 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:09,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:09,161 INFO L82 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2020-10-20 07:05:09,161 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:05:09,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [982693545] [2020-10-20 07:05:09,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:05:09,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,238 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:05:09,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:05:09,277 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:05:09,749 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 72 [2020-10-20 07:05:09,875 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-20 07:05:09,887 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:05:09,888 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:05:09,888 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:05:09,888 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:05:09,889 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:05:09,889 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:09,889 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:05:09,889 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:05:09,889 INFO L133 ssoRankerPreferences]: Filename of dumped script: array_2-1-simple.i_Iteration1_Lasso [2020-10-20 07:05:09,890 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:05:09,890 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:05:09,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:09,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,182 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2020-10-20 07:05:10,278 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,282 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,286 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,289 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,293 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,298 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 07:05:10,653 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:05:10,658 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:05:10,664 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:05:10,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:05:10,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:05:10,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:10,674 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:05:10,727 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 07:05:10,729 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:05:10,729 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:05:10,729 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:05:10,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:05:10,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 07:05:10,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:10,770 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:05:10,832 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 07:05:10,832 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 15 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:05:10,841 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:05:10,851 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 07:05:10,851 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:05:10,852 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1) = -8*ULTIMATE.start_main_~i~0 + 4095*v_rep(select #length ULTIMATE.start_main_~#A~0.base)_1 Supporting invariants [] [2020-10-20 07:05:10,978 INFO L297 tatePredicateManager]: 12 out of 12 supporting invariants were superfluous and have been removed [2020-10-20 07:05:10,989 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-20 07:05:11,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:05:11,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:11,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:05:11,052 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:11,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:05:11,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-20 07:05:11,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:05:11,126 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 07:05:11,144 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 07:05:11,146 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 3 states. [2020-10-20 07:05:11,214 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 3 states. Result 28 states and 36 transitions. Complement of second has 8 states. [2020-10-20 07:05:11,215 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 07:05:11,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:05:11,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2020-10-20 07:05:11,219 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 2 letters. [2020-10-20 07:05:11,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 07:05:11,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,220 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 2 letters. Loop has 4 letters. [2020-10-20 07:05:11,220 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:05:11,221 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 36 transitions. [2020-10-20 07:05:11,225 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:11,228 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 0 states and 0 transitions. [2020-10-20 07:05:11,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:05:11,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:05:11,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:05:11,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:05:11,230 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,230 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,230 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:05:11,231 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:05:11,231 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:05:11,231 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:05:11,231 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:05:11,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:05:11 BoogieIcfgContainer [2020-10-20 07:05:11,238 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:05:11,239 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:05:11,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:05:11,239 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:05:11,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:05:08" (3/4) ... [2020-10-20 07:05:11,243 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:05:11,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:05:11,245 INFO L168 Benchmark]: Toolchain (without parser) took 3251.33 ms. Allocated memory was 35.7 MB in the beginning and 56.1 MB in the end (delta: 20.4 MB). Free memory was 9.5 MB in the beginning and 18.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,246 INFO L168 Benchmark]: CDTParser took 1.12 ms. Allocated memory is still 35.1 MB. Free memory was 13.7 MB in the beginning and 13.7 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 390.73 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.6 MB in the beginning and 27.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 44.6 MB. Free memory was 26.9 MB in the beginning and 25.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,249 INFO L168 Benchmark]: Boogie Preprocessor took 32.63 ms. Allocated memory is still 44.6 MB. Free memory was 25.3 MB in the beginning and 23.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,250 INFO L168 Benchmark]: RCFGBuilder took 320.38 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 23.8 MB in the beginning and 23.0 MB in the end (delta: 718.3 kB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,251 INFO L168 Benchmark]: BuchiAutomizer took 2456.34 ms. Allocated memory was 46.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Free memory was 22.8 MB in the beginning and 18.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,251 INFO L168 Benchmark]: Witness Printer took 4.40 ms. Allocated memory is still 56.1 MB. Free memory was 18.7 MB in the beginning and 18.1 MB in the end (delta: 558.1 kB). Peak memory consumption was 558.1 kB. Max. memory is 14.3 GB. [2020-10-20 07:05:11,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.12 ms. Allocated memory is still 35.1 MB. Free memory was 13.7 MB in the beginning and 13.7 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 390.73 ms. Allocated memory was 35.7 MB in the beginning and 44.6 MB in the end (delta: 8.9 MB). Free memory was 8.6 MB in the beginning and 27.0 MB in the end (delta: -18.5 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 36.16 ms. Allocated memory is still 44.6 MB. Free memory was 26.9 MB in the beginning and 25.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 32.63 ms. Allocated memory is still 44.6 MB. Free memory was 25.3 MB in the beginning and 23.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * RCFGBuilder took 320.38 ms. Allocated memory was 44.6 MB in the beginning and 46.1 MB in the end (delta: 1.6 MB). Free memory was 23.8 MB in the beginning and 23.0 MB in the end (delta: 718.3 kB). Peak memory consumption was 12.4 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 2456.34 ms. Allocated memory was 46.1 MB in the beginning and 56.1 MB in the end (delta: 10.0 MB). Free memory was 22.8 MB in the beginning and 18.7 MB in the end (delta: 4.1 MB). Peak memory consumption was 14.1 MB. Max. memory is 14.3 GB. * Witness Printer took 4.40 ms. Allocated memory is still 56.1 MB. Free memory was 18.7 MB in the beginning and 18.1 MB in the end (delta: 558.1 kB). Peak memory consumption was 558.1 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length * 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 -8 * i + 4095 * unknown-#length-unknown[A] and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 6 SDslu, 6 SDs, 0 SdLazy, 13 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital232 mio100 ax100 hnf100 lsp96 ukn54 mio100 lsp57 div100 bol100 ite100 ukn100 eq171 hnf80 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 142ms VariablesStem: 6 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...