./Ultimate.py --spec ../../sv-benchmarks/c/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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/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_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/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 0.1.23-5842f4b [2018-11-18 15:59:21,214 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:59:21,215 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:59:21,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:59:21,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:59:21,222 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:59:21,222 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:59:21,224 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:59:21,225 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:59:21,225 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:59:21,226 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:59:21,226 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:59:21,227 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:59:21,227 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:59:21,228 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:59:21,228 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:59:21,229 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:59:21,229 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:59:21,231 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:59:21,232 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:59:21,232 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:59:21,233 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:59:21,235 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:59:21,235 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:59:21,235 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:59:21,236 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:59:21,236 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:59:21,237 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:59:21,237 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:59:21,238 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:59:21,238 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:59:21,238 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:59:21,238 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:59:21,238 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:59:21,239 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:59:21,239 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:59:21,239 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:59:21,250 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:59:21,250 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:59:21,251 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:59:21,251 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:59:21,251 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:59:21,251 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:59:21,251 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:59:21,251 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:59:21,252 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:59:21,252 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:59:21,253 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:59:21,254 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:59:21,254 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:59:21,254 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:59:21,254 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:59:21,254 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:59:21,254 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:59:21,254 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:59:21,255 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:59:21,255 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_039219c4-a13f-4851-aaa2-79bfb897edd3/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 [2018-11-18 15:59:21,281 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:59:21,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:59:21,293 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:59:21,294 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:59:21,294 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:59:21,295 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/../../sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-11-18 15:59:21,339 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/data/4c7b7ba88/091db2fc2e224ea7ab57ebec128ac9f4/FLAG3902b6570 [2018-11-18 15:59:21,676 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:59:21,676 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/sv-benchmarks/c/psyco/psyco_io_1_true-unreach-call_false-termination.c [2018-11-18 15:59:21,683 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/data/4c7b7ba88/091db2fc2e224ea7ab57ebec128ac9f4/FLAG3902b6570 [2018-11-18 15:59:22,096 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/data/4c7b7ba88/091db2fc2e224ea7ab57ebec128ac9f4 [2018-11-18 15:59:22,099 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:59:22,099 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:59:22,100 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:59:22,100 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:59:22,102 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:59:22,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,104 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbc74b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22, skipping insertion in model container [2018-11-18 15:59:22,105 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:59:22,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:59:22,244 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:59:22,246 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:59:22,265 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:59:22,275 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:59:22,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22 WrapperNode [2018-11-18 15:59:22,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:59:22,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:59:22,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:59:22,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:59:22,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:59:22,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:59:22,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:59:22,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:59:22,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... [2018-11-18 15:59:22,315 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:59:22,316 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:59:22,316 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:59:22,316 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:59:22,316 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/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 [2018-11-18 15:59:22,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:59:22,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:59:22,630 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:59:22,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:22 BoogieIcfgContainer [2018-11-18 15:59:22,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:59:22,631 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:59:22,631 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:59:22,633 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:59:22,634 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:59:22,634 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:59:22" (1/3) ... [2018-11-18 15:59:22,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1beaaa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:59:22, skipping insertion in model container [2018-11-18 15:59:22,635 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:59:22,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:59:22" (2/3) ... [2018-11-18 15:59:22,635 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1beaaa7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:59:22, skipping insertion in model container [2018-11-18 15:59:22,635 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:59:22,635 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:22" (3/3) ... [2018-11-18 15:59:22,636 INFO L375 chiAutomizerObserver]: Analyzing ICFG psyco_io_1_true-unreach-call_false-termination.c [2018-11-18 15:59:22,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:59:22,672 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:59:22,672 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:59:22,672 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:59:22,672 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:59:22,672 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:59:22,672 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:59:22,673 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:59:22,673 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:59:22,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2018-11-18 15:59:22,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2018-11-18 15:59:22,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:59:22,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:59:22,706 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:59:22,706 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-18 15:59:22,706 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:59:22,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states. [2018-11-18 15:59:22,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2018-11-18 15:59:22,710 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:59:22,710 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:59:22,710 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2018-11-18 15:59:22,710 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2018-11-18 15:59:22,715 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 27#L23-3true [2018-11-18 15:59:22,715 INFO L796 eck$LassoCheckResult]: Loop: 27#L23-3true assume true; 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; 33#L33true assume !(0 == main_~q~0); 63#L53true assume !(1 == main_~q~0); 60#L105true assume !(2 == main_~q~0); 44#L221true assume !(3 == main_~q~0); 27#L23-3true [2018-11-18 15:59:22,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:22,718 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2018-11-18 15:59:22,719 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:22,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:22,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:22,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:22,795 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:22,796 INFO L82 PathProgramCache]: Analyzing trace with hash 1071430156, now seen corresponding path program 1 times [2018-11-18 15:59:22,796 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:22,796 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:22,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:22,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:22,807 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:22,807 INFO L82 PathProgramCache]: Analyzing trace with hash 151479374, now seen corresponding path program 1 times [2018-11-18 15:59:22,807 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:22,807 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:22,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:22,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:59:22,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:59:22,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:59:22,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:59:22,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:59:22,915 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:59:22,917 INFO L87 Difference]: Start difference. First operand 67 states. Second operand 3 states. [2018-11-18 15:59:22,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:59:22,963 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2018-11-18 15:59:22,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:59:22,965 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2018-11-18 15:59:22,967 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-18 15:59:22,971 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2018-11-18 15:59:22,972 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2018-11-18 15:59:22,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2018-11-18 15:59:22,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2018-11-18 15:59:22,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:59:22,974 INFO L705 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-18 15:59:22,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2018-11-18 15:59:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-11-18 15:59:22,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-11-18 15:59:22,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2018-11-18 15:59:22,994 INFO L728 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-18 15:59:22,994 INFO L608 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2018-11-18 15:59:22,994 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:59:22,994 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2018-11-18 15:59:22,995 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2018-11-18 15:59:22,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:59:22,995 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:59:22,995 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2018-11-18 15:59:22,995 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2018-11-18 15:59:22,996 INFO L794 eck$LassoCheckResult]: Stem: 175#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;~m_flush~0 := 1;~m_PipedOutputStream~0 := 2;~m_close~0 := 3;~m_write~0 := 4;~m_connect_1~0 := 5;~m_connect_2~0 := 6; 150#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~nondet4, main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~nondet8, main_#t~nondet9, main_#t~nondet10, main_#t~nondet11, main_#t~nondet12, main_#t~nondet13, main_#t~nondet14, main_#t~nondet15, main_#t~nondet16, main_#t~nondet17, main_#t~nondet18, main_#t~nondet19, main_#t~nondet20, main_#t~nondet21, main_~P1~0, main_~P2~0, main_~P3~0, main_~P4~0, main_~q~0, main_~method_id~0, main_~this_sink~0, main_~this_sinkConnected~0;main_~q~0 := 0;havoc main_~method_id~0;main_~this_sink~0 := 0;main_~this_sinkConnected~0 := 0; 151#L23-3 assume true; 171#L335 [2018-11-18 15:59:22,996 INFO L796 eck$LassoCheckResult]: Loop: 171#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; 178#L33 assume 0 == main_~q~0; 179#L34 assume !(0 != main_#t~nondet4);havoc main_#t~nondet4; 171#L335 [2018-11-18 15:59:22,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:22,996 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2018-11-18 15:59:22,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:22,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:22,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:22,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,004 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:23,004 INFO L82 PathProgramCache]: Analyzing trace with hash 41819, now seen corresponding path program 1 times [2018-11-18 15:59:23,004 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:23,004 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:23,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:23,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:59:23,010 INFO L82 PathProgramCache]: Analyzing trace with hash 889541497, now seen corresponding path program 1 times [2018-11-18 15:59:23,010 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:59:23,010 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:59:23,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:59:23,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:59:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:59:23,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:59:23 BoogieIcfgContainer [2018-11-18 15:59:23,095 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:59:23,095 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:59:23,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:59:23,095 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:59:23,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:59:22" (3/4) ... [2018-11-18 15:59:23,098 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:59:23,130 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_039219c4-a13f-4851-aaa2-79bfb897edd3/bin-2019/uautomizer/witness.graphml [2018-11-18 15:59:23,130 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:59:23,131 INFO L168 Benchmark]: Toolchain (without parser) took 1032.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -93.6 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,132 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:59:23,132 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.42 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.72 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,133 INFO L168 Benchmark]: Boogie Preprocessor took 17.99 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,133 INFO L168 Benchmark]: RCFGBuilder took 315.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,134 INFO L168 Benchmark]: BuchiAutomizer took 463.55 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:59:23,134 INFO L168 Benchmark]: Witness Printer took 35.70 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. [2018-11-18 15:59:23,136 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.42 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.72 ms. Allocated memory is still 1.0 GB. Free memory was 945.6 MB in the beginning and 943.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.99 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 315.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). Peak memory consumption was 15.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 463.55 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: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * Witness Printer took 35.70 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@3a4d5609=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b686d2b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73654416=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e4f948c=9, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6f65c033=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3978b129=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595a3bf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69d55511=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@68f4446f=0, m_connect_2=6, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bb95a4c=10, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d3767d3=8, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19c50b5c=7, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57c3f7e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@bbd67bc=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@112b1491=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d470e1b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@51ec6c35=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@870d7ea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@747dce34=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37c36077=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@59a45102=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39444d0d=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...