./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i --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-memory-alloca/stroeder1-alloca-2.i -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 206fc0df1055f51a334aa0371a01a5320b241a2f ...................................................................................................................................................................................................................................................................................................................................................................................................................... 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 06:41:03,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:41:03,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:41:03,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:41:03,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:41:03,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:41:03,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:41:03,688 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:41:03,690 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:41:03,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:41:03,696 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:41:03,697 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:41:03,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:41:03,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:41:03,704 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:41:03,705 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:41:03,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:41:03,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:41:03,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:41:03,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:41:03,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:41:03,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:41:03,727 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:41:03,728 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:41:03,730 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:41:03,730 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:41:03,730 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:41:03,731 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:41:03,731 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:41:03,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:41:03,733 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:41:03,733 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:41:03,734 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:41:03,735 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:41:03,736 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:41:03,736 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:41:03,737 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:41:03,737 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:41:03,737 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:41:03,738 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:41:03,739 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:41:03,739 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:41:03,766 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:41:03,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:41:03,767 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:41:03,767 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:41:03,767 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:41:03,768 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:41:03,768 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:41:03,768 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:41:03,768 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:41:03,768 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:41:03,769 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:41:03,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:41:03,769 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:41:03,769 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:41:03,769 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:41:03,769 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:41:03,770 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:41:03,770 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:41:03,770 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:41:03,770 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:41:03,770 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:41:03,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:41:03,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:41:03,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:41:03,771 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:41:03,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:41:03,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:41:03,772 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:41:03,772 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:41:03,773 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:41:03,773 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 -> 206fc0df1055f51a334aa0371a01a5320b241a2f [2020-10-20 06:41:03,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:41:03,973 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:41:03,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:41:03,978 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:41:03,978 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:41:03,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2020-10-20 06:41:04,056 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e89c7a8/52c9df652c744f17bba838056b752add/FLAGf99f56d6a [2020-10-20 06:41:04,686 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:41:04,687 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-memory-alloca/stroeder1-alloca-2.i [2020-10-20 06:41:04,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e89c7a8/52c9df652c744f17bba838056b752add/FLAGf99f56d6a [2020-10-20 06:41:05,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b2e89c7a8/52c9df652c744f17bba838056b752add [2020-10-20 06:41:05,062 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:41:05,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:41:05,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:05,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:41:05,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:41:05,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a1e405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05, skipping insertion in model container [2020-10-20 06:41:05,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:41:05,130 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:41:05,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:05,439 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:41:05,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:41:05,579 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:41:05,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05 WrapperNode [2020-10-20 06:41:05,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:41:05,582 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:05,582 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:41:05,582 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:41:05,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,608 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,626 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:41:05,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:41:05,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:41:05,626 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:41:05,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,633 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,636 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,642 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,647 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (1/1) ... [2020-10-20 06:41:05,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:41:05,650 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:41:05,650 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:41:05,650 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:41:05,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (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 06:41:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 06:41:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:41:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 06:41:05,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:41:05,716 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:41:05,998 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:41:05,999 INFO L298 CfgBuilder]: Removed 7 assume(true) statements. [2020-10-20 06:41:06,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:06 BoogieIcfgContainer [2020-10-20 06:41:06,001 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:41:06,002 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:41:06,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:41:06,006 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:41:06,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:06,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:41:05" (1/3) ... [2020-10-20 06:41:06,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d46d782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:06, skipping insertion in model container [2020-10-20 06:41:06,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:06,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:41:05" (2/3) ... [2020-10-20 06:41:06,012 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d46d782 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:41:06, skipping insertion in model container [2020-10-20 06:41:06,013 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:41:06,013 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:06" (3/3) ... [2020-10-20 06:41:06,015 INFO L373 chiAutomizerObserver]: Analyzing ICFG stroeder1-alloca-2.i [2020-10-20 06:41:06,079 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:41:06,080 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:41:06,080 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:41:06,080 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:41:06,081 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:41:06,081 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:41:06,081 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:41:06,081 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:41:06,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:41:06,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:41:06,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:06,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:06,122 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:41:06,122 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:41:06,122 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:41:06,122 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-10-20 06:41:06,124 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2020-10-20 06:41:06,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:41:06,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:41:06,125 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-10-20 06:41:06,125 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2020-10-20 06:41:06,133 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 3#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~ret6, main_~array_size~0, main_~numbers~0.base, main_~numbers~0.offset;main_~array_size~0 := main_#t~nondet4;havoc main_#t~nondet4; 8#L561true assume !(main_~array_size~0 < 1); 13#L561-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(4 * main_~array_size~0);main_~numbers~0.base, main_~numbers~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset, sumOfThirdBytes_#in~array_size := main_~numbers~0.base, main_~numbers~0.offset, main_~array_size~0;havoc sumOfThirdBytes_#res;havoc sumOfThirdBytes_#t~mem3, sumOfThirdBytes_#t~post2, sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset, sumOfThirdBytes_~array_size, sumOfThirdBytes_~i~0, sumOfThirdBytes_~sum~0, sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset := sumOfThirdBytes_#in~numbers.base, sumOfThirdBytes_#in~numbers.offset;sumOfThirdBytes_~array_size := sumOfThirdBytes_#in~array_size;havoc sumOfThirdBytes_~i~0;havoc sumOfThirdBytes_~sum~0;havoc sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset;sumOfThirdBytes_~sum~0 := 0;sumOfThirdBytes_~i~0 := 0; 11#L552-3true [2020-10-20 06:41:06,133 INFO L796 eck$LassoCheckResult]: Loop: 11#L552-3true assume !!(sumOfThirdBytes_~i~0 < sumOfThirdBytes_~array_size);sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~#numbers.base, sumOfThirdBytes_~#numbers.offset + 4 * sumOfThirdBytes_~i~0;sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset := sumOfThirdBytes_~p~0.base, 2 + sumOfThirdBytes_~p~0.offset;call sumOfThirdBytes_#t~mem3 := read~int(sumOfThirdBytes_~p~0.base, sumOfThirdBytes_~p~0.offset, 1);sumOfThirdBytes_~sum~0 := sumOfThirdBytes_~sum~0 + sumOfThirdBytes_#t~mem3;havoc sumOfThirdBytes_#t~mem3; 9#L552-2true sumOfThirdBytes_#t~post2 := sumOfThirdBytes_~i~0;sumOfThirdBytes_~i~0 := 1 + sumOfThirdBytes_#t~post2;havoc sumOfThirdBytes_#t~post2; 11#L552-3true [2020-10-20 06:41:06,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:06,139 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2020-10-20 06:41:06,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:06,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638066486] [2020-10-20 06:41:06,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,255 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,270 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,292 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:06,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:06,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2020-10-20 06:41:06,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:06,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349660083] [2020-10-20 06:41:06,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,306 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,314 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,318 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:06,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:06,320 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2020-10-20 06:41:06,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:41:06,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827267049] [2020-10-20 06:41:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:41:06,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,345 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:41:06,364 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:41:06,374 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:41:06,685 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-10-20 06:41:06,775 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:41:06,776 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:41:06,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:41:06,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:41:06,777 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:41:06,777 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:06,777 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:41:06,777 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:41:06,777 INFO L133 ssoRankerPreferences]: Filename of dumped script: stroeder1-alloca-2.i_Iteration1_Lasso [2020-10-20 06:41:06,777 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:41:06,778 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:41:06,804 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 06:41:06,814 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 06:41:06,817 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 06:41:06,820 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 06:41:06,825 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 06:41:06,960 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 06:41:06,965 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 06:41:06,968 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 06:41:06,976 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 06:41:06,981 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 06:41:06,986 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 06:41:06,991 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 06:41:07,313 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:41:07,319 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 06:41:07,343 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 06:41:07,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:07,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:07,346 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:07,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:07,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:07,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:07,349 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 06:41:07,355 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 06:41:07,406 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 06:41:07,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:07,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:07,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:07,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:07,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:07,410 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:07,410 INFO L402 nArgumentSynthesizer]: A total of 0 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 06:41:07,412 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:07,456 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 06:41:07,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:07,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:41:07,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:07,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:07,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:07,459 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:41:07,459 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:07,461 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:41:07,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:07,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:07,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:07,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:07,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:41:07,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:07,515 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:07,522 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) [2020-10-20 06:41:07,562 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 06:41:07,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:41:07,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:41:07,569 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:41:07,569 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:07,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:41:07,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:41:07,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:41:07,641 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2020-10-20 06:41:07,641 INFO L444 ModelExtractionUtils]: 16 out of 37 variables were initially zero. Simplification set additionally 18 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 06:41:07,647 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:41:07,656 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2020-10-20 06:41:07,656 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:41:07,657 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_sumOfThirdBytes_~array_size, ULTIMATE.start_sumOfThirdBytes_~i~0) = 1*ULTIMATE.start_sumOfThirdBytes_~array_size - 1*ULTIMATE.start_sumOfThirdBytes_~i~0 Supporting invariants [] [2020-10-20 06:41:07,698 INFO L297 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2020-10-20 06:41:07,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:41:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:07,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:41:07,757 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:41:07,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:41:07,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:41:07,851 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 06:41:07,872 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 06:41:07,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2020-10-20 06:41:07,929 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 23 states and 28 transitions. Complement of second has 7 states. [2020-10-20 06:41:07,930 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 06:41:07,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 06:41:07,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 17 transitions. [2020-10-20 06:41:07,935 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 2 letters. [2020-10-20 06:41:07,936 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:07,936 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 6 letters. Loop has 2 letters. [2020-10-20 06:41:07,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:07,937 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 17 transitions. Stem has 4 letters. Loop has 4 letters. [2020-10-20 06:41:07,937 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:41:07,938 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 28 transitions. [2020-10-20 06:41:07,941 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:07,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 0 states and 0 transitions. [2020-10-20 06:41:07,946 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:41:07,946 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:41:07,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:41:07,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:41:07,947 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:07,947 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:07,947 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:41:07,947 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:41:07,948 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:41:07,948 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:41:07,948 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:41:07,962 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:41:07 BoogieIcfgContainer [2020-10-20 06:41:07,962 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:41:07,962 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:41:07,962 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:41:07,963 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:41:07,963 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:41:06" (3/4) ... [2020-10-20 06:41:07,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:41:07,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:41:07,973 INFO L168 Benchmark]: Toolchain (without parser) took 2908.00 ms. Allocated memory was 39.3 MB in the beginning and 49.8 MB in the end (delta: 10.5 MB). Free memory was 16.0 MB in the beginning and 25.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,974 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 30.9 MB. Free memory was 6.9 MB in the beginning and 6.9 MB in the end (delta: 42.0 kB). Peak memory consumption was 42.0 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.88 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.1 MB in the beginning and 20.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.22 ms. Allocated memory is still 41.4 MB. Free memory was 20.1 MB in the beginning and 18.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,979 INFO L168 Benchmark]: Boogie Preprocessor took 23.01 ms. Allocated memory is still 41.4 MB. Free memory was 18.3 MB in the beginning and 16.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,981 INFO L168 Benchmark]: RCFGBuilder took 352.10 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 16.7 MB in the beginning and 19.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,987 INFO L168 Benchmark]: BuchiAutomizer took 1959.54 ms. Allocated memory was 41.9 MB in the beginning and 49.8 MB in the end (delta: 7.9 MB). Free memory was 18.9 MB in the beginning and 25.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:41:07,987 INFO L168 Benchmark]: Witness Printer took 7.56 ms. Allocated memory is still 49.8 MB. Free memory was 25.6 MB in the beginning and 25.1 MB in the end (delta: 441.6 kB). Peak memory consumption was 441.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:41:08,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 30.9 MB. Free memory was 6.9 MB in the beginning and 6.9 MB in the end (delta: 42.0 kB). Peak memory consumption was 42.0 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 510.88 ms. Allocated memory was 39.3 MB in the beginning and 41.4 MB in the end (delta: 2.1 MB). Free memory was 15.1 MB in the beginning and 20.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 44.22 ms. Allocated memory is still 41.4 MB. Free memory was 20.1 MB in the beginning and 18.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.01 ms. Allocated memory is still 41.4 MB. Free memory was 18.3 MB in the beginning and 16.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 352.10 ms. Allocated memory was 41.4 MB in the beginning and 41.9 MB in the end (delta: 524.3 kB). Free memory was 16.7 MB in the beginning and 19.2 MB in the end (delta: -2.4 MB). Peak memory consumption was 7.5 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1959.54 ms. Allocated memory was 41.9 MB in the beginning and 49.8 MB in the end (delta: 7.9 MB). Free memory was 18.9 MB in the beginning and 25.6 MB in the end (delta: -6.6 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * Witness Printer took 7.56 ms. Allocated memory is still 49.8 MB. Free memory was 25.6 MB in the beginning and 25.1 MB in the end (delta: 441.6 kB). Peak memory consumption was 441.6 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 array_size + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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: 9 SDtfs, 10 SDslu, 8 SDs, 0 SdLazy, 6 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital119 mio100 ax115 hnf99 lsp82 ukn80 mio100 lsp61 div100 bol100 ite100 ukn100 eq189 hnf90 smp100 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 25ms VariablesStem: 1 VariablesLoop: 0 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...