./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer --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 0.1.23-aa41828 [2018-11-23 00:38:06,801 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 00:38:06,802 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 00:38:06,808 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 00:38:06,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 00:38:06,809 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 00:38:06,810 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 00:38:06,811 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 00:38:06,812 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 00:38:06,813 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 00:38:06,814 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 00:38:06,814 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 00:38:06,815 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 00:38:06,815 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 00:38:06,816 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 00:38:06,816 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 00:38:06,817 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 00:38:06,818 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 00:38:06,819 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 00:38:06,820 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 00:38:06,820 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 00:38:06,821 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 00:38:06,823 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 00:38:06,823 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 00:38:06,823 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 00:38:06,824 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 00:38:06,824 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 00:38:06,825 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 00:38:06,825 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 00:38:06,826 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 00:38:06,826 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 00:38:06,827 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 00:38:06,827 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 00:38:06,827 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 00:38:06,828 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 00:38:06,828 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 00:38:06,829 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-23 00:38:06,839 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 00:38:06,840 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 00:38:06,840 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 00:38:06,841 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 00:38:06,841 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 00:38:06,842 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 00:38:06,842 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 00:38:06,843 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 00:38:06,844 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 00:38:06,844 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 00:38:06,844 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 00:38:06,844 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 00:38:06,844 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 00:38:06,844 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 00:38:06,845 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 00:38:06,845 INFO L133 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer 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 [2018-11-23 00:38:06,869 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 00:38:06,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 00:38:06,880 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 00:38:06,881 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 00:38:06,881 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 00:38:06,882 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-11-23 00:38:06,921 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/data/44108a8b0/f567acf3effb4134811c44fd399dcedd/FLAG054b20367 [2018-11-23 00:38:07,347 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 00:38:07,347 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-11-23 00:38:07,355 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/data/44108a8b0/f567acf3effb4134811c44fd399dcedd/FLAG054b20367 [2018-11-23 00:38:07,365 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/data/44108a8b0/f567acf3effb4134811c44fd399dcedd [2018-11-23 00:38:07,368 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 00:38:07,368 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 00:38:07,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:07,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 00:38:07,372 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 00:38:07,372 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f3324f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07, skipping insertion in model container [2018-11-23 00:38:07,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,381 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 00:38:07,404 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 00:38:07,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:07,540 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 00:38:07,564 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 00:38:07,576 INFO L195 MainTranslator]: Completed translation [2018-11-23 00:38:07,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07 WrapperNode [2018-11-23 00:38:07,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 00:38:07,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:07,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 00:38:07,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 00:38:07,582 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,586 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,640 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 00:38:07,641 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 00:38:07,641 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 00:38:07,641 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 00:38:07,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,654 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,655 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... [2018-11-23 00:38:07,657 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 00:38:07,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 00:38:07,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 00:38:07,657 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 00:38:07,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/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 [2018-11-23 00:38:07,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 00:38:07,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 00:38:07,969 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 00:38:07,969 INFO L280 CfgBuilder]: Removed 9 assue(true) statements. [2018-11-23 00:38:07,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:07 BoogieIcfgContainer [2018-11-23 00:38:07,969 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 00:38:07,970 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 00:38:07,970 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 00:38:07,972 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 00:38:07,973 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:38:07,973 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 12:38:07" (1/3) ... [2018-11-23 00:38:07,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f3907e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:38:07, skipping insertion in model container [2018-11-23 00:38:07,974 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:38:07,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:38:07" (2/3) ... [2018-11-23 00:38:07,974 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f3907e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 12:38:07, skipping insertion in model container [2018-11-23 00:38:07,974 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 00:38:07,974 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:07" (3/3) ... [2018-11-23 00:38:07,976 INFO L375 chiAutomizerObserver]: Analyzing ICFG psyco_io_1_true-unreach-call_false-termination.c [2018-11-23 00:38:08,011 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 00:38:08,011 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 00:38:08,012 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 00:38:08,012 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 00:38:08,012 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 00:38:08,012 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 00:38:08,012 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 00:38:08,012 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 00:38:08,012 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 00:38:08,022 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2018-11-23 00:38:08,039 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2018-11-23 00:38:08,039 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:38:08,039 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:38:08,044 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:38:08,044 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 00:38:08,044 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 00:38:08,044 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2018-11-23 00:38:08,048 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2018-11-23 00:38:08,048 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:38:08,048 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:38:08,048 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-23 00:38:08,048 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-23 00:38:08,053 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue ~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 7#L-1true havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 47#L23-2true [2018-11-23 00:38:08,053 INFO L796 eck$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 [2018-11-23 00:38:08,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,057 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-23 00:38:08,058 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,059 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,095 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2018-11-23 00:38:08,134 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,134 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,135 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,135 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,147 INFO L82 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2018-11-23 00:38:08,147 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,147 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 00:38:08,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 00:38:08,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 00:38:08,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 00:38:08,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 00:38:08,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 00:38:08,249 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2018-11-23 00:38:08,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 00:38:08,306 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2018-11-23 00:38:08,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 00:38:08,308 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2018-11-23 00:38:08,310 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-23 00:38:08,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2018-11-23 00:38:08,316 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2018-11-23 00:38:08,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2018-11-23 00:38:08,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2018-11-23 00:38:08,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 00:38:08,317 INFO L705 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-23 00:38:08,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2018-11-23 00:38:08,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-23 00:38:08,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-23 00:38:08,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2018-11-23 00:38:08,341 INFO L728 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-23 00:38:08,341 INFO L608 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-23 00:38:08,341 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 00:38:08,342 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2018-11-23 00:38:08,342 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-23 00:38:08,342 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 00:38:08,342 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 00:38:08,343 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-23 00:38:08,343 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-23 00:38:08,343 INFO L794 eck$LassoCheckResult]: Stem: 174#ULTIMATE.startENTRY ~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 150#L-1 havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 151#L23-2 goto; 189#L335 [2018-11-23 00:38:08,343 INFO L796 eck$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 [2018-11-23 00:38:08,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,343 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-23 00:38:08,343 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,343 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,351 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2018-11-23 00:38:08,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 00:38:08,357 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2018-11-23 00:38:08,357 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 00:38:08,357 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 00:38:08,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 00:38:08,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 00:38:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 00:38:08,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~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; [?] 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; [?] goto; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; [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; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] 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; [?] assume 0 == main_~q~0; [?] assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; [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()) ----- [2018-11-23 00:38:08,442 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 12:38:08 BoogieIcfgContainer [2018-11-23 00:38:08,443 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 00:38:08,443 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 00:38:08,443 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 00:38:08,443 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 00:38:08,443 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:38:07" (3/4) ... [2018-11-23 00:38:08,445 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~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; [?] 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; [?] goto; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; [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; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] 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; [?] assume 0 == main_~q~0; [?] assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; [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()) ----- [2018-11-23 00:38:08,476 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_31e0501d-3b05-443b-9a38-30a0b657cec8/bin-2019/uautomizer/witness.graphml [2018-11-23 00:38:08,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 00:38:08,477 INFO L168 Benchmark]: Toolchain (without parser) took 1109.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -91.0 MB). Peak memory consumption was 45.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,478 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 00:38:08,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,480 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,480 INFO L168 Benchmark]: Boogie Preprocessor took 16.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,481 INFO L168 Benchmark]: RCFGBuilder took 312.51 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,481 INFO L168 Benchmark]: BuchiAutomizer took 472.77 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,482 INFO L168 Benchmark]: Witness Printer took 33.83 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 00:38:08,484 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.62 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.8 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 63.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -191.3 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.20 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 312.51 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: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 472.77 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: 51.1 MB). Peak memory consumption was 51.1 MB. Max. memory is 11.5 GB. * Witness Printer took 33.83 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: 2.7 MB). Peak memory consumption was 2.7 MB. 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 0.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.2s. 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@7da35130=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5aeaa14d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6efd7f79=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@266844e7=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@164c148=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34a3571d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8d79e8f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@536eba68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1908618a=0, m_connect_2=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6879fa58=10, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3996158e=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b8b58bf=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@131931c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@496554be=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@27b6c3b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3549f4d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5c019981=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@590233cf=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77b78c4d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@512cc529=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@38ed3816=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b4e4b11=0, q=0, method_id=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 23]: Nonterminating execution ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~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; [?] 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; [?] goto; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; [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; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] 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; [?] assume 0 == main_~q~0; [?] assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; [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()) ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] ~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; [?] 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; [?] goto; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [?] 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; [L15] main_~q~0 := 0; [L16] havoc main_~method_id~0; [L19] main_~this_sink~0 := 0; [L20] main_~this_sinkConnected~0 := 0; [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L5] ~m_flush~0 := 1; [L6] ~m_PipedOutputStream~0 := 2; [L7] ~m_close~0 := 3; [L8] ~m_write~0 := 4; [L9] ~m_connect_1~0 := 5; [L10] ~m_connect_2~0 := 6; [L15] ~q~0 := 0; [L16] havoc ~method_id~0; [L19] ~this_sink~0 := 0; [L20] ~this_sinkConnected~0 := 0; [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; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] 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; [?] assume 0 == main_~q~0; [?] assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [L23-L339] assume !false; [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33-L52] assume 0 == main_~q~0; [L34-L49] assume !(0 != main_#t~nondet4); [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [L23-L339] COND FALSE !(false) [L26] main_~P1~0 := main_#t~nondet0; [L26] havoc main_#t~nondet0; [L27] main_~P2~0 := main_#t~nondet1; [L27] havoc main_#t~nondet1; [L28] main_~P3~0 := main_#t~nondet2; [L28] havoc main_#t~nondet2; [L29] main_~P4~0 := main_#t~nondet3; [L29] havoc main_#t~nondet3; [L33] COND TRUE 0 == main_~q~0 [L34-L49] COND FALSE !(0 != main_#t~nondet4) [L34] havoc main_#t~nondet4; [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [L23-L339] COND FALSE !(false) [L26] ~P1~0 := #t~nondet0; [L26] havoc #t~nondet0; [L27] ~P2~0 := #t~nondet1; [L27] havoc #t~nondet1; [L28] ~P3~0 := #t~nondet2; [L28] havoc #t~nondet2; [L29] ~P4~0 := #t~nondet3; [L29] havoc #t~nondet3; [L33] COND TRUE 0 == ~q~0 [L34-L49] COND FALSE !(0 != #t~nondet4) [L34] havoc #t~nondet4; [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()) ----- 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...