./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-invgen/apache-get-tag.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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-invgen/apache-get-tag.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 01c80fcdd0a0da14cc25a34188deb5573e4a4209 ................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 03:17:47,395 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 03:17:47,398 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 03:17:47,416 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 03:17:47,416 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 03:17:47,418 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 03:17:47,420 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 03:17:47,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 03:17:47,431 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 03:17:47,432 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 03:17:47,433 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 03:17:47,434 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 03:17:47,434 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 03:17:47,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 03:17:47,436 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 03:17:47,437 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 03:17:47,438 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 03:17:47,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 03:17:47,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 03:17:47,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 03:17:47,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 03:17:47,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 03:17:47,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 03:17:47,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 03:17:47,450 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 03:17:47,450 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 03:17:47,450 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 03:17:47,451 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 03:17:47,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 03:17:47,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 03:17:47,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 03:17:47,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 03:17:47,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 03:17:47,455 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 03:17:47,456 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 03:17:47,457 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 03:17:47,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 03:17:47,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 03:17:47,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 03:17:47,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 03:17:47,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 03:17:47,463 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 03:17:47,479 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 03:17:47,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 03:17:47,481 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 03:17:47,481 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 03:17:47,481 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 03:17:47,481 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 03:17:47,481 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 03:17:47,482 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 03:17:47,482 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 03:17:47,482 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 03:17:47,482 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 03:17:47,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 03:17:47,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 03:17:47,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 03:17:47,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 03:17:47,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 03:17:47,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 03:17:47,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 03:17:47,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 03:17:47,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 03:17:47,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 03:17:47,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 03:17:47,485 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 03:17:47,485 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 03:17:47,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 03:17:47,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 03:17:47,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 03:17:47,486 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 03:17:47,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 03:17:47,486 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 03:17:47,487 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 03:17:47,488 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 03:17:47,488 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 -> 01c80fcdd0a0da14cc25a34188deb5573e4a4209 [2019-11-28 03:17:47,798 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 03:17:47,811 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 03:17:47,816 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 03:17:47,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 03:17:47,818 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 03:17:47,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-invgen/apache-get-tag.i [2019-11-28 03:17:47,893 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95562e8d4/27bae7ee7e584d3c8a4e9089ebbe9f5f/FLAG47d4394b0 [2019-11-28 03:17:48,344 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 03:17:48,347 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-invgen/apache-get-tag.i [2019-11-28 03:17:48,355 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95562e8d4/27bae7ee7e584d3c8a4e9089ebbe9f5f/FLAG47d4394b0 [2019-11-28 03:17:48,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95562e8d4/27bae7ee7e584d3c8a4e9089ebbe9f5f [2019-11-28 03:17:48,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 03:17:48,733 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 03:17:48,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 03:17:48,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 03:17:48,737 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 03:17:48,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:48,741 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf4c1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48, skipping insertion in model container [2019-11-28 03:17:48,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:48,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 03:17:48,767 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 03:17:48,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:17:48,964 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 03:17:48,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 03:17:48,993 INFO L208 MainTranslator]: Completed translation [2019-11-28 03:17:48,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48 WrapperNode [2019-11-28 03:17:48,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 03:17:48,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 03:17:48,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 03:17:48,994 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 03:17:49,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,090 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 03:17:49,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 03:17:49,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 03:17:49,090 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 03:17:49,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,102 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (1/1) ... [2019-11-28 03:17:49,116 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 03:17:49,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 03:17:49,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 03:17:49,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 03:17:49,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (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 [2019-11-28 03:17:49,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 03:17:49,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 03:17:49,533 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 03:17:49,533 INFO L297 CfgBuilder]: Removed 38 assume(true) statements. [2019-11-28 03:17:49,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49 BoogieIcfgContainer [2019-11-28 03:17:49,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 03:17:49,535 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 03:17:49,535 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 03:17:49,538 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 03:17:49,539 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:17:49,539 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:17:48" (1/3) ... [2019-11-28 03:17:49,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37439b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:49, skipping insertion in model container [2019-11-28 03:17:49,541 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:17:49,541 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:17:48" (2/3) ... [2019-11-28 03:17:49,541 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37439b77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:17:49, skipping insertion in model container [2019-11-28 03:17:49,542 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 03:17:49,542 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49" (3/3) ... [2019-11-28 03:17:49,543 INFO L371 chiAutomizerObserver]: Analyzing ICFG apache-get-tag.i [2019-11-28 03:17:49,592 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 03:17:49,593 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 03:17:49,593 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 03:17:49,593 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 03:17:49,593 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 03:17:49,593 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 03:17:49,594 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 03:17:49,594 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 03:17:49,609 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-11-28 03:17:49,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2019-11-28 03:17:49,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:17:49,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:17:49,641 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:17:49,641 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:17:49,641 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 03:17:49,641 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2019-11-28 03:17:49,646 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 28 [2019-11-28 03:17:49,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 03:17:49,647 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 03:17:49,647 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 03:17:49,647 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-28 03:17:49,655 INFO L794 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~pre2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_#t~nondet6, main_#t~nondet7, main_#t~post8, main_#t~nondet9, main_#t~post10, main_~tagbuf_len~0, main_~t~0;havoc main_~tagbuf_len~0;havoc main_~t~0;main_~tagbuf_len~0 := main_#t~nondet1;havoc main_#t~nondet1; 17#L15true assume main_~tagbuf_len~0 >= 1; 39#L15-1true main_~t~0 := 0;main_#t~pre2 := main_~tagbuf_len~0 - 1;main_~tagbuf_len~0 := main_~tagbuf_len~0 - 1;havoc main_#t~pre2; 4#L18-2true [2019-11-28 03:17:49,656 INFO L796 eck$LassoCheckResult]: Loop: 4#L18-2true assume !false; 25#L19true assume !(main_~t~0 == main_~tagbuf_len~0); 64#L24true assume !(0 != main_#t~nondet3);havoc main_#t~nondet3;__VERIFIER_assert_#in~cond := (if 0 <= main_~t~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 10#L4-6true assume !(0 == __VERIFIER_assert_~cond); 6#L4-8true __VERIFIER_assert_#in~cond := (if main_~t~0 <= main_~tagbuf_len~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 5#L4-9true assume !(0 == __VERIFIER_assert_~cond); 16#L4-11true main_#t~post4 := main_~t~0;main_~t~0 := 1 + main_#t~post4;havoc main_#t~post4; 4#L18-2true [2019-11-28 03:17:49,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:17:49,663 INFO L82 PathProgramCache]: Analyzing trace with hash 30884, now seen corresponding path program 1 times [2019-11-28 03:17:49,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:17:49,672 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915127756] [2019-11-28 03:17:49,673 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:17:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,782 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:17:49,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:17:49,784 INFO L82 PathProgramCache]: Analyzing trace with hash 868415643, now seen corresponding path program 1 times [2019-11-28 03:17:49,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:17:49,784 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907870362] [2019-11-28 03:17:49,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:17:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,822 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:17:49,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:17:49,823 INFO L82 PathProgramCache]: Analyzing trace with hash -450162024, now seen corresponding path program 1 times [2019-11-28 03:17:49,824 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 03:17:49,824 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655180374] [2019-11-28 03:17:49,824 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 03:17:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 03:17:49,848 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 03:17:49,963 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:17:49,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:17:49,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:17:49,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:17:49,964 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-11-28 03:17:49,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:17:49,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:17:49,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:17:49,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2019-11-28 03:17:49,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:17:49,965 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:17:49,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,242 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:17:50,243 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) [2019-11-28 03:17:50,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-28 03:17:50,256 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:17:50,278 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-28 03:17:50,278 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:17:50,319 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-28 03:17:50,321 INFO L210 LassoAnalysis]: Preferences: [2019-11-28 03:17:50,322 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-11-28 03:17:50,322 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-28 03:17:50,322 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-11-28 03:17:50,322 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-11-28 03:17:50,322 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:17:50,322 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-28 03:17:50,322 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-11-28 03:17:50,323 INFO L133 ssoRankerPreferences]: Filename of dumped script: apache-get-tag.i_Iteration1_Loop [2019-11-28 03:17:50,323 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-28 03:17:50,323 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-28 03:17:50,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,354 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-28 03:17:50,451 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-28 03:17:50,456 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:17:50,464 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 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:17:50,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:17:50,467 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:17:50,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:17:50,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:17:50,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:17:50,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:17:50,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-28 03:17:50,475 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) [2019-11-28 03:17:50,487 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 [2019-11-28 03:17:50,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-11-28 03:17:50,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-28 03:17:50,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-28 03:17:50,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-28 03:17:50,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-28 03:17:50,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-28 03:17:50,493 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 [2019-11-28 03:17:50,496 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-28 03:17:50,505 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-28 03:17:50,506 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 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-28 03:17:50,513 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-28 03:17:50,513 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-28 03:17:50,513 INFO L510 LassoAnalysis]: Proved termination. [2019-11-28 03:17:50,514 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~tagbuf_len~0, ULTIMATE.start_main_~t~0) = 1*ULTIMATE.start_main_~tagbuf_len~0 - 1*ULTIMATE.start_main_~t~0 Supporting invariants [] [MP z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Exception during sending of exit command (exit): Broken pipe Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-28 03:17:50,522 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-28 03:17:50,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 03:17:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:17:50,569 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-28 03:17:50,571 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:17:50,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 03:17:50,588 INFO L255 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-28 03:17:50,589 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-28 03:17:50,630 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-28 03:17:50,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-28 03:17:50,679 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-28 03:17:50,681 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 63 states. Second operand 5 states. [2019-11-28 03:17:50,965 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 63 states.. Second operand 5 states. Result 180 states and 240 transitions. Complement of second has 11 states. [2019-11-28 03:17:50,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2019-11-28 03:17:50,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-11-28 03:17:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 176 transitions. [2019-11-28 03:17:50,970 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 3 letters. Loop has 7 letters. [2019-11-28 03:17:50,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:17:50,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 10 letters. Loop has 7 letters. [2019-11-28 03:17:50,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:17:50,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 176 transitions. Stem has 3 letters. Loop has 14 letters. [2019-11-28 03:17:50,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-28 03:17:50,974 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 180 states and 240 transitions. [2019-11-28 03:17:50,982 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:17:50,985 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 180 states to 0 states and 0 transitions. [2019-11-28 03:17:50,986 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-28 03:17:50,986 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-28 03:17:50,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-28 03:17:50,987 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 03:17:50,987 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:17:50,988 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:17:50,988 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-28 03:17:50,988 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 03:17:50,988 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-28 03:17:50,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-28 03:17:50,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-28 03:17:50,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:17:50 BoogieIcfgContainer [2019-11-28 03:17:50,995 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 03:17:50,996 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 03:17:50,996 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 03:17:50,996 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 03:17:50,997 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:17:49" (3/4) ... [2019-11-28 03:17:51,000 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-28 03:17:51,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 03:17:51,003 INFO L168 Benchmark]: Toolchain (without parser) took 2269.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 956.3 MB in the beginning and 954.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 118.0 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,004 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:17:51,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,007 INFO L168 Benchmark]: Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,008 INFO L168 Benchmark]: RCFGBuilder took 417.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,009 INFO L168 Benchmark]: BuchiAutomizer took 1460.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.2 MB in the end (delta: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. [2019-11-28 03:17:51,009 INFO L168 Benchmark]: Witness Printer took 4.84 ms. Allocated memory is still 1.1 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 03:17:51,014 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 259.75 ms. Allocated memory is still 1.0 GB. Free memory was 956.3 MB in the beginning and 945.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 95.93 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -166.6 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.41 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 417.36 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1460.52 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 954.2 MB in the end (delta: 124.8 MB). Peak memory consumption was 124.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.84 ms. Allocated memory is still 1.1 GB. Free memory is still 954.2 MB. There was no memory consumed. Max. memory is 11.5 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 tagbuf_len + -1 * t and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. 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: 34 SDtfs, 63 SDslu, 53 SDs, 0 SdLazy, 113 SolverSat, 23 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital26 mio100 ax100 hnf100 lsp65 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq158 hnf96 smp73 dnf100 smp100 tf110 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 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...