./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c 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/psyco/psyco_io_1.c -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 69c831b1eda23dac6e2f4454b4feebfba511ade3 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:47:28,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:47:28,006 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:47:28,022 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:47:28,023 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:47:28,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:47:28,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:47:28,036 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:47:28,040 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:47:28,041 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:47:28,042 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:47:28,044 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:47:28,045 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:47:28,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:47:28,049 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:47:28,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:47:28,052 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:47:28,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:47:28,057 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:47:28,061 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:47:28,065 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:47:28,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:47:28,070 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:47:28,071 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:47:28,073 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:47:28,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:47:28,074 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:47:28,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:47:28,078 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:47:28,079 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:47:28,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:47:28,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:47:28,080 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:47:28,082 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:47:28,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:47:28,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:47:28,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:47:28,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:47:28,085 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:47:28,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:47:28,087 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:47:28,088 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-28 20:47:28,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:47:28,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:47:28,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:47:28,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:47:28,122 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:47:28,122 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-28 20:47:28,122 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-28 20:47:28,122 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-28 20:47:28,123 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-28 20:47:28,123 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-28 20:47:28,123 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-28 20:47:28,123 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:47:28,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 20:47:28,129 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:47:28,129 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:47:28,129 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 20:47:28,129 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:47:28,129 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-28 20:47:28,130 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-28 20:47:28,130 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-28 20:47:28,130 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 20:47:28,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:47:28,131 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-28 20:47:28,131 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:47:28,131 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-28 20:47:28,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:47:28,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:47:28,132 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-28 20:47:28,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:47:28,133 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:47:28,133 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:47:28,134 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-28 20:47:28,135 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-28 20:47:28,135 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 -> 69c831b1eda23dac6e2f4454b4feebfba511ade3 [2019-11-28 20:47:28,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:47:28,451 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:47:28,455 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:47:28,456 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:47:28,457 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:47:28,457 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/psyco/psyco_io_1.c [2019-11-28 20:47:28,530 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa245db7b/992fd29bc7c04bd18470e7552453bda8/FLAG5d9c9ab70 [2019-11-28 20:47:28,995 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:47:28,996 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/psyco/psyco_io_1.c [2019-11-28 20:47:29,005 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa245db7b/992fd29bc7c04bd18470e7552453bda8/FLAG5d9c9ab70 [2019-11-28 20:47:29,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa245db7b/992fd29bc7c04bd18470e7552453bda8 [2019-11-28 20:47:29,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:47:29,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:47:29,420 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:47:29,420 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:47:29,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:47:29,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,429 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dc4abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29, skipping insertion in model container [2019-11-28 20:47:29,429 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,438 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:47:29,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:47:29,670 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:47:29,678 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:47:29,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:47:29,808 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:47:29,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29 WrapperNode [2019-11-28 20:47:29,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:47:29,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:47:29,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:47:29,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:47:29,816 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,847 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:47:29,848 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:47:29,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:47:29,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:47:29,858 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,858 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,860 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (1/1) ... [2019-11-28 20:47:29,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:47:29,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:47:29,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:47:29,877 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:47:29,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (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 20:47:29,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:47:29,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:47:30,344 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:47:30,345 INFO L287 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-28 20:47:30,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:47:30 BoogieIcfgContainer [2019-11-28 20:47:30,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:47:30,347 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-28 20:47:30,347 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-28 20:47:30,351 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-28 20:47:30,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:47:30,352 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:47:29" (1/3) ... [2019-11-28 20:47:30,353 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cb893b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:47:30, skipping insertion in model container [2019-11-28 20:47:30,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:47:30,354 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:47:29" (2/3) ... [2019-11-28 20:47:30,354 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7cb893b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:47:30, skipping insertion in model container [2019-11-28 20:47:30,354 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-28 20:47:30,355 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:47:30" (3/3) ... [2019-11-28 20:47:30,356 INFO L371 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2019-11-28 20:47:30,401 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-28 20:47:30,401 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-28 20:47:30,402 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-28 20:47:30,402 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:47:30,402 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:47:30,402 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-28 20:47:30,402 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:47:30,403 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-28 20:47:30,419 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2019-11-28 20:47:30,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2019-11-28 20:47:30,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:47:30,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:47:30,453 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:47:30,453 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:47:30,453 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-28 20:47:30,454 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2019-11-28 20:47:30,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2019-11-28 20:47:30,463 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:47:30,463 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:47:30,464 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-28 20:47:30,464 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2019-11-28 20:47:30,472 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue ~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 47#L23-2true [2019-11-28 20:47:30,476 INFO L796 eck$LassoCheckResult]: Loop: 47#L23-2true goto; 69#L335true assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3; 32#L33true assume !(0 == main_~q~0); 63#L53true assume !(1 == main_~q~0); 60#L105true assume !(2 == main_~q~0); 43#L221true assume !(3 == main_~q~0); 47#L23-2true [2019-11-28 20:47:30,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,481 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-28 20:47:30,489 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,489 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94837196] [2019-11-28 20:47:30,489 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,586 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:47:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2019-11-28 20:47:30,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653323201] [2019-11-28 20:47:30,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,603 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:47:30,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,605 INFO L82 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2019-11-28 20:47:30,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,606 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846019165] [2019-11-28 20:47:30,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-28 20:47:30,668 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 20:47:30,669 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846019165] [2019-11-28 20:47:30,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-28 20:47:30,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-28 20:47:30,671 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557430039] [2019-11-28 20:47:30,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-28 20:47:30,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-28 20:47:30,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-28 20:47:30,762 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2019-11-28 20:47:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-28 20:47:30,848 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2019-11-28 20:47:30,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-28 20:47:30,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2019-11-28 20:47:30,855 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2019-11-28 20:47:30,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2019-11-28 20:47:30,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2019-11-28 20:47:30,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2019-11-28 20:47:30,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2019-11-28 20:47:30,865 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-28 20:47:30,865 INFO L688 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-28 20:47:30,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2019-11-28 20:47:30,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2019-11-28 20:47:30,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2019-11-28 20:47:30,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2019-11-28 20:47:30,900 INFO L711 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-28 20:47:30,900 INFO L591 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2019-11-28 20:47:30,900 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-28 20:47:30,901 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2019-11-28 20:47:30,902 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2019-11-28 20:47:30,902 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-28 20:47:30,902 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-28 20:47:30,903 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2019-11-28 20:47:30,903 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-28 20:47:30,903 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY ~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 150#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 151#L23-2 goto; 189#L335 [2019-11-28 20:47:30,904 INFO L796 eck$LassoCheckResult]: Loop: 189#L335 assume !false;main_~P1~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~P2~0 := main_#t~nondet1;havoc main_#t~nondet1;main_~P3~0 := main_#t~nondet2;havoc main_#t~nondet2;main_~P4~0 := main_#t~nondet3;havoc main_#t~nondet3; 177#L33 assume 0 == main_~q~0; 178#L34 assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; 189#L335 [2019-11-28 20:47:30,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,904 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2019-11-28 20:47:30,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,905 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021474435] [2019-11-28 20:47:30,905 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,936 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:47:30,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,939 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2019-11-28 20:47:30,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528763752] [2019-11-28 20:47:30,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,956 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:47:30,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-28 20:47:30,958 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2019-11-28 20:47:30,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-28 20:47:30,959 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97810385] [2019-11-28 20:47:30,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-28 20:47:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-28 20:47:30,991 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-28 20:47:31,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:47:31 BoogieIcfgContainer [2019-11-28 20:47:31,096 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-28 20:47:31,097 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:47:31,097 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:47:31,097 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:47:31,098 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:47:30" (3/4) ... [2019-11-28 20:47:31,101 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-28 20:47:31,148 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:47:31,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:47:31,151 INFO L168 Benchmark]: Toolchain (without parser) took 1733.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -92.3 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:47:31,151 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:47:31,152 INFO L168 Benchmark]: CACSL2BoogieTranslator took 389.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:47:31,153 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:47:31,153 INFO L168 Benchmark]: Boogie Preprocessor took 28.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:47:31,154 INFO L168 Benchmark]: RCFGBuilder took 469.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2019-11-28 20:47:31,155 INFO L168 Benchmark]: BuchiAutomizer took 749.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-11-28 20:47:31,155 INFO L168 Benchmark]: Witness Printer took 51.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 20:47:31,158 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 389.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 20.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.52 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 469.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 749.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * Witness Printer took 51.84 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. 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 (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 52 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 52 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 98 SDtfs, 4 SDslu, 73 SDs, 0 SdLazy, 22 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 23]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {m_PipedOutputStream=2, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e0fe25d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57e53a73=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12c01c15=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a691c7b=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6ba25631=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@534db1c6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7286fcd6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@281bcf8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c57a368=0, m_connect_2=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5fa5c3e4=10, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57a9c299=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6aac8e60=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a508d29=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59824a99=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e051544=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ea89b5d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7cc92879=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6efbb341=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5086fcd9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5feffc4d=0, P4=9, P3=7, P2=8, P1=10, m_close=3, m_write=4, m_flush=1, this_sink=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70ff6464=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b623e60=0, q=0, method_id=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 23]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L5] int m_flush = 1; [L6] int m_PipedOutputStream = 2; [L7] int m_close = 3; [L8] int m_write = 4; [L9] int m_connect_1 = 5; [L10] int m_connect_2 = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_sink = 0; [L20] int this_sinkConnected = 0; Loop: [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND TRUE q == 0 [L34] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...