./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gj2007b.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-lit/gj2007b.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 d6c7a19e50bb32a5896b861b4b348ab0b4232809 .......................................................................................................................................................................................................................................................................................................................................................................................... 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 07:06:33,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 07:06:33,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 07:06:33,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 07:06:33,262 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 07:06:33,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 07:06:33,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 07:06:33,277 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 07:06:33,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 07:06:33,282 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 07:06:33,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 07:06:33,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 07:06:33,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 07:06:33,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 07:06:33,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 07:06:33,292 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 07:06:33,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 07:06:33,295 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 07:06:33,296 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 07:06:33,298 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 07:06:33,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 07:06:33,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 07:06:33,308 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 07:06:33,309 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 07:06:33,312 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 07:06:33,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 07:06:33,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 07:06:33,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 07:06:33,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 07:06:33,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 07:06:33,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 07:06:33,315 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 07:06:33,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 07:06:33,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 07:06:33,318 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 07:06:33,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 07:06:33,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 07:06:33,319 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 07:06:33,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 07:06:33,320 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 07:06:33,321 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 07:06:33,321 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-20 07:06:33,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 07:06:33,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 07:06:33,347 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 07:06:33,347 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 07:06:33,347 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 07:06:33,348 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 07:06:33,348 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 07:06:33,348 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 07:06:33,348 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 07:06:33,348 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 07:06:33,349 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 07:06:33,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 07:06:33,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 07:06:33,349 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 07:06:33,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 07:06:33,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 07:06:33,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 07:06:33,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 07:06:33,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 07:06:33,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 07:06:33,350 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 07:06:33,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 07:06:33,351 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 07:06:33,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 07:06:33,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 07:06:33,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 07:06:33,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 07:06:33,352 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 07:06:33,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 07:06:33,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 07:06:33,352 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 07:06:33,352 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 07:06:33,353 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 07:06:33,354 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 -> d6c7a19e50bb32a5896b861b4b348ab0b4232809 [2020-10-20 07:06:33,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 07:06:33,568 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 07:06:33,572 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 07:06:33,573 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 07:06:33,574 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 07:06:33,575 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gj2007b.i [2020-10-20 07:06:33,636 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa190c15/9b6506378ff849b5862b9191a85c06c8/FLAG48b7b08ec [2020-10-20 07:06:34,074 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 07:06:34,075 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gj2007b.i [2020-10-20 07:06:34,081 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa190c15/9b6506378ff849b5862b9191a85c06c8/FLAG48b7b08ec [2020-10-20 07:06:34,481 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8aa190c15/9b6506378ff849b5862b9191a85c06c8 [2020-10-20 07:06:34,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 07:06:34,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 07:06:34,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:34,494 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 07:06:34,499 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 07:06:34,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44bf95df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34, skipping insertion in model container [2020-10-20 07:06:34,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 07:06:34,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 07:06:34,787 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:34,802 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 07:06:34,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 07:06:34,848 INFO L208 MainTranslator]: Completed translation [2020-10-20 07:06:34,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34 WrapperNode [2020-10-20 07:06:34,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 07:06:34,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:34,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 07:06:34,852 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 07:06:34,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,900 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 07:06:34,901 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 07:06:34,901 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 07:06:34,901 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 07:06:34,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (1/1) ... [2020-10-20 07:06:34,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 07:06:34,952 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 07:06:34,952 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 07:06:34,952 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 07:06:34,953 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (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 07:06:35,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 07:06:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 07:06:35,037 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 07:06:35,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 07:06:35,271 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 07:06:35,272 INFO L298 CfgBuilder]: Removed 13 assume(true) statements. [2020-10-20 07:06:35,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:35 BoogieIcfgContainer [2020-10-20 07:06:35,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 07:06:35,275 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 07:06:35,275 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 07:06:35,278 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 07:06:35,279 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:35,280 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 07:06:34" (1/3) ... [2020-10-20 07:06:35,281 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2542d7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:35, skipping insertion in model container [2020-10-20 07:06:35,281 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:35,281 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 07:06:34" (2/3) ... [2020-10-20 07:06:35,282 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2542d7b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 07:06:35, skipping insertion in model container [2020-10-20 07:06:35,282 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 07:06:35,282 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:35" (3/3) ... [2020-10-20 07:06:35,284 INFO L373 chiAutomizerObserver]: Analyzing ICFG gj2007b.i [2020-10-20 07:06:35,344 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 07:06:35,344 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 07:06:35,345 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 07:06:35,345 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 07:06:35,346 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 07:06:35,346 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 07:06:35,346 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 07:06:35,346 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 07:06:35,368 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-10-20 07:06:35,398 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 07:06:35,398 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:35,399 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:35,406 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:06:35,406 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:06:35,406 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 07:06:35,407 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states. [2020-10-20 07:06:35,409 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-10-20 07:06:35,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 07:06:35,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 07:06:35,410 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-10-20 07:06:35,410 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-10-20 07:06:35,422 INFO L794 eck$LassoCheckResult]: Stem: 15#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 13#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~x~0, main_~m~0, main_~n~0;main_~x~0 := 0;main_~m~0 := 0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 4#L28-2true [2020-10-20 07:06:35,423 INFO L796 eck$LassoCheckResult]: Loop: 4#L28-2true assume !!(main_~x~0 < main_~n~0); 10#L29true assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; 6#L29-2true main_~x~0 := 1 + main_~x~0; 4#L28-2true [2020-10-20 07:06:35,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:35,432 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-10-20 07:06:35,445 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:35,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698388278] [2020-10-20 07:06:35,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,569 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,584 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,606 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:35,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:35,607 INFO L82 PathProgramCache]: Analyzing trace with hash 40876, now seen corresponding path program 1 times [2020-10-20 07:06:35,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:35,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881263661] [2020-10-20 07:06:35,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:35,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,619 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,621 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:35,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:35,623 INFO L82 PathProgramCache]: Analyzing trace with hash 28699818, now seen corresponding path program 1 times [2020-10-20 07:06:35,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 07:06:35,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455399814] [2020-10-20 07:06:35,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 07:06:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,640 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 07:06:35,660 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 07:06:35,666 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 07:06:35,726 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:35,727 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:35,727 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:35,727 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:35,728 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 07:06:35,728 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:35,728 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:35,729 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:35,729 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2020-10-20 07:06:35,729 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:35,730 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:35,752 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 07:06:35,765 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 07:06:35,833 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:35,834 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:35,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:35,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:35,855 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 07:06:35,856 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet4=0} Honda state: {ULTIMATE.start_main_#t~nondet4=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:35,883 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 07:06:35,883 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:35,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 07:06:35,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 07:06:36,064 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 07:06:36,066 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 07:06:36,066 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 07:06:36,066 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 07:06:36,066 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 07:06:36,067 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 07:06:36,067 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:36,067 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 07:06:36,067 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 07:06:36,067 INFO L133 ssoRankerPreferences]: Filename of dumped script: gj2007b.i_Iteration1_Loop [2020-10-20 07:06:36,068 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 07:06:36,068 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 07:06:36,069 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 07:06:36,078 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 07:06:36,120 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 07:06:36,126 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:36,151 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 07:06:36,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:36,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:36,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:36,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:36,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:36,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:36,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:36,167 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 07:06:36,216 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 07:06:36,218 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 07:06:36,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 07:06:36,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 07:06:36,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 07:06:36,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 07:06:36,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 07:06:36,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:36,226 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 07:06:36,231 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 07:06:36,231 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 07:06:36,249 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 07:06:36,249 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 07:06:36,249 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 07:06:36,250 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~x~0 Supporting invariants [] Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 07:06:36,282 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 07:06:36,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 07:06:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:36,355 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 07:06:36,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:36,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 07:06:36,384 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 07:06:36,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 07:06:36,416 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 07:06:36,438 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 07:06:36,440 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states. Second operand 3 states. [2020-10-20 07:06:36,507 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states.. Second operand 3 states. Result 46 states and 60 transitions. Complement of second has 7 states. [2020-10-20 07:06:36,508 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 07:06:36,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-20 07:06:36,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2020-10-20 07:06:36,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 3 letters. [2020-10-20 07:06:36,513 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:36,513 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 5 letters. Loop has 3 letters. [2020-10-20 07:06:36,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:36,514 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 6 letters. [2020-10-20 07:06:36,514 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 07:06:36,515 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 60 transitions. [2020-10-20 07:06:36,520 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:36,524 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 0 states and 0 transitions. [2020-10-20 07:06:36,525 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 07:06:36,525 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 07:06:36,526 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 07:06:36,526 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 07:06:36,526 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:36,527 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:36,527 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 07:06:36,527 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 07:06:36,527 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 07:06:36,527 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 07:06:36,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 07:06:36,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 07:06:36 BoogieIcfgContainer [2020-10-20 07:06:36,535 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 07:06:36,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 07:06:36,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 07:06:36,536 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 07:06:36,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 07:06:35" (3/4) ... [2020-10-20 07:06:36,540 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 07:06:36,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 07:06:36,543 INFO L168 Benchmark]: Toolchain (without parser) took 2055.09 ms. Allocated memory was 36.7 MB in the beginning and 47.7 MB in the end (delta: 11.0 MB). Free memory was 17.2 MB in the beginning and 20.4 MB in the end (delta: -3.2 MB). Peak memory consumption was 7.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,544 INFO L168 Benchmark]: CDTParser took 1.06 ms. Allocated memory is still 34.6 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 357.54 ms. Allocated memory was 36.7 MB in the beginning and 43.5 MB in the end (delta: 6.8 MB). Free memory was 16.3 MB in the beginning and 25.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 43.5 MB. Free memory was 25.1 MB in the beginning and 23.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,547 INFO L168 Benchmark]: Boogie Preprocessor took 50.72 ms. Allocated memory is still 43.5 MB. Free memory was 23.4 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,548 INFO L168 Benchmark]: RCFGBuilder took 322.26 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: -87.4 kB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,549 INFO L168 Benchmark]: BuchiAutomizer took 1260.35 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 22.0 MB in the beginning and 20.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,550 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 47.7 MB. Free memory was 20.8 MB in the beginning and 20.4 MB in the end (delta: 336.8 kB). Peak memory consumption was 336.8 kB. Max. memory is 14.3 GB. [2020-10-20 07:06:36,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.06 ms. Allocated memory is still 34.6 MB. Free memory was 10.8 MB in the beginning and 10.7 MB in the end (delta: 45.5 kB). Peak memory consumption was 45.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 357.54 ms. Allocated memory was 36.7 MB in the beginning and 43.5 MB in the end (delta: 6.8 MB). Free memory was 16.3 MB in the beginning and 25.1 MB in the end (delta: -8.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 48.38 ms. Allocated memory is still 43.5 MB. Free memory was 25.1 MB in the beginning and 23.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 50.72 ms. Allocated memory is still 43.5 MB. Free memory was 23.4 MB in the beginning and 22.2 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 322.26 ms. Allocated memory was 43.5 MB in the beginning and 45.6 MB in the end (delta: 2.1 MB). Free memory was 22.2 MB in the beginning and 22.2 MB in the end (delta: -87.4 kB). Peak memory consumption was 11.9 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1260.35 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 22.0 MB in the beginning and 20.8 MB in the end (delta: 1.2 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. * Witness Printer took 5.08 ms. Allocated memory is still 47.7 MB. Free memory was 20.8 MB in the beginning and 20.4 MB in the end (delta: 336.8 kB). Peak memory consumption was 336.8 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 n + -1 * x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 12 SDtfs, 18 SDslu, 19 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 0 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 1 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...