./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/PastaB6.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/PastaB6.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash da25fea724fb7067684e538055d94650c61f9268 ................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:00,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:00,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:00,434 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:00,434 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:00,444 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:00,446 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:00,449 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:00,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:00,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:00,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:00,457 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:00,459 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:00,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:00,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:00,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:00,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:00,471 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:00,473 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:00,476 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:00,479 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:00,482 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:00,484 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:00,485 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:00,490 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:00,490 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:00,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:00,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:00,496 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:00,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:00,497 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:00,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:00,499 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:00,499 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:00,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:00,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:00,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:00,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:00,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:00,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:00,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:00,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:00,543 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:00,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:00,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:00,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:00,548 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:00,548 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:00,548 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:00,549 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:00,549 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:00,549 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:00,550 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:00,551 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:00,551 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:00,551 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:00,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:00,552 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:00,552 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:00,552 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:00,552 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:00,553 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:00,553 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:00,553 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:00,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:00,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:00,554 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:00,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:00,555 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:00,555 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:00,555 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:00,557 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:00,557 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da25fea724fb7067684e538055d94650c61f9268 [2020-10-20 06:36:00,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:00,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:00,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:00,784 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:00,786 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:00,787 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/PastaB6.c [2020-10-20 06:36:00,865 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b2e4d42d/7e13d91af46d4067aa2237eb20cd58e5/FLAG478c3f333 [2020-10-20 06:36:01,438 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:01,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/PastaB6.c [2020-10-20 06:36:01,445 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b2e4d42d/7e13d91af46d4067aa2237eb20cd58e5/FLAG478c3f333 [2020-10-20 06:36:01,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b2e4d42d/7e13d91af46d4067aa2237eb20cd58e5 [2020-10-20 06:36:01,745 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:01,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:01,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:01,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:01,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:01,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3bcbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01, skipping insertion in model container [2020-10-20 06:36:01,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,768 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:01,784 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:01,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:01,934 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:01,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:01,956 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:36:01,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01 WrapperNode [2020-10-20 06:36:01,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:01,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:01,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:36:01,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:36:01,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,971 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,985 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:01,985 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:36:01,985 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:36:01,985 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:36:01,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:01,995 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:02,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:02,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:02,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:02,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... [2020-10-20 06:36:02,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:36:02,015 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:36:02,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:36:02,016 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:36:02,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:02,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:36:02,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:36:02,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:36:02,231 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:36:02,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:02 BoogieIcfgContainer [2020-10-20 06:36:02,237 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:36:02,238 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:36:02,238 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:36:02,244 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:36:02,245 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:02,246 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:01" (1/3) ... [2020-10-20 06:36:02,247 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7d1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:02, skipping insertion in model container [2020-10-20 06:36:02,248 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:02,248 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:01" (2/3) ... [2020-10-20 06:36:02,248 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1f7d1223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:02, skipping insertion in model container [2020-10-20 06:36:02,249 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:02,249 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:02" (3/3) ... [2020-10-20 06:36:02,250 INFO L373 chiAutomizerObserver]: Analyzing ICFG PastaB6.c [2020-10-20 06:36:02,297 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:36:02,298 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:36:02,298 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:36:02,298 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:36:02,298 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:36:02,298 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:36:02,298 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:36:02,299 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:36:02,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:02,332 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:02,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:02,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:02,338 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:02,339 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:02,339 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:36:02,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:02,340 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:02,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:02,340 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:02,340 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:02,340 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:02,347 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~y~0 := main_#t~nondet1;havoc main_#t~nondet1; 8#L11-2true [2020-10-20 06:36:02,354 INFO L796 eck$LassoCheckResult]: Loop: 8#L11-2true assume !!(main_~x~0 > 0 && main_~y~0 > 0);main_~x~0 := main_~x~0 - 1;main_~y~0 := main_~y~0 - 1; 8#L11-2true [2020-10-20 06:36:02,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:02,361 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:36:02,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:02,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289298871] [2020-10-20 06:36:02,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,451 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,455 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,472 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:02,474 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:02,474 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-20 06:36:02,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:02,475 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210165496] [2020-10-20 06:36:02,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,490 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:02,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:02,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-20 06:36:02,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:02,493 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655960556] [2020-10-20 06:36:02,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,501 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:02,507 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:02,509 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:02,574 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:02,574 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:02,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:02,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:02,575 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:36:02,575 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:02,575 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:02,575 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:02,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB6.c_Iteration1_Loop [2020-10-20 06:36:02,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:02,576 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:02,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,785 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:02,786 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:36:02,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:02,817 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:02,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:36:02,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:02,891 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:36:02,893 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:02,893 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:02,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:02,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:02,894 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:02,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:02,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:02,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:02,895 INFO L133 ssoRankerPreferences]: Filename of dumped script: PastaB6.c_Iteration1_Loop [2020-10-20 06:36:02,895 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:02,895 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:02,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:02,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:03,017 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:03,023 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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:03,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:03,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:03,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:03,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:03,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:03,038 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:03,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:03,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:03,045 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:36:03,055 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:36:03,055 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:03,064 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:36:03,064 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:36:03,065 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:36:03,066 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = 1*ULTIMATE.start_main_~y~0 Supporting invariants [] [2020-10-20 06:36:03,103 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:36:03,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:03,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:03,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:36:03,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:03,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:03,165 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:36:03,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:03,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:36:03,188 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 06:36:03,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-10-20 06:36:03,239 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-10-20 06:36:03,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:36:03,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:36:03,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-20 06:36:03,245 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-10-20 06:36:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:03,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-10-20 06:36:03,246 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:03,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-20 06:36:03,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:03,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-10-20 06:36:03,251 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:03,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-20 06:36:03,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:36:03,258 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:36:03,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:36:03,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:03,259 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:03,259 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:03,260 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:03,260 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:36:03,260 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:36:03,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:03,261 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:36:03,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:36:03 BoogieIcfgContainer [2020-10-20 06:36:03,268 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:36:03,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:36:03,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:36:03,269 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:36:03,270 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:02" (3/4) ... [2020-10-20 06:36:03,274 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:36:03,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:36:03,277 INFO L168 Benchmark]: Toolchain (without parser) took 1529.40 ms. Allocated memory was 43.0 MB in the beginning and 48.2 MB in the end (delta: 5.2 MB). Free memory was 25.2 MB in the beginning and 17.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 12.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,278 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 33.0 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 49.5 kB). Peak memory consumption was 49.5 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.33 ms. Allocated memory is still 43.0 MB. Free memory was 24.3 MB in the beginning and 15.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 43.0 MB. Free memory was 15.0 MB in the beginning and 13.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,282 INFO L168 Benchmark]: Boogie Preprocessor took 29.74 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 13.5 MB in the beginning and 26.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,283 INFO L168 Benchmark]: RCFGBuilder took 221.48 ms. Allocated memory is still 44.0 MB. Free memory was 26.1 MB in the beginning and 17.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,284 INFO L168 Benchmark]: BuchiAutomizer took 1030.10 ms. Allocated memory was 44.0 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Free memory was 17.6 MB in the beginning and 18.0 MB in the end (delta: -403.6 kB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,285 INFO L168 Benchmark]: Witness Printer took 5.72 ms. Allocated memory is still 48.2 MB. Free memory was 18.0 MB in the beginning and 17.7 MB in the end (delta: 359.3 kB). Peak memory consumption was 359.3 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:03,290 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 33.0 MB. Free memory was 11.9 MB in the beginning and 11.9 MB in the end (delta: 49.5 kB). Peak memory consumption was 49.5 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 204.33 ms. Allocated memory is still 43.0 MB. Free memory was 24.3 MB in the beginning and 15.0 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 27.25 ms. Allocated memory is still 43.0 MB. Free memory was 15.0 MB in the beginning and 13.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 29.74 ms. Allocated memory was 43.0 MB in the beginning and 44.0 MB in the end (delta: 1.0 MB). Free memory was 13.5 MB in the beginning and 26.3 MB in the end (delta: -12.8 MB). Peak memory consumption was 4.0 MB. Max. memory is 14.3 GB. * RCFGBuilder took 221.48 ms. Allocated memory is still 44.0 MB. Free memory was 26.1 MB in the beginning and 17.8 MB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1030.10 ms. Allocated memory was 44.0 MB in the beginning and 48.2 MB in the end (delta: 4.2 MB). Free memory was 17.6 MB in the beginning and 18.0 MB in the end (delta: -403.6 kB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.72 ms. Allocated memory is still 48.2 MB. Free memory was 18.0 MB in the beginning and 17.7 MB in the end (delta: 359.3 kB). Peak memory consumption was 359.3 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 y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 41ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...