./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/psyco/psyco_io_1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/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 0e42a14d02446d341c51d21bb42c9bd175f1ebef ........................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-29 23:59:10,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 23:59:10,047 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 23:59:10,093 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 23:59:10,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 23:59:10,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 23:59:10,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 23:59:10,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 23:59:10,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 23:59:10,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 23:59:10,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 23:59:10,107 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 23:59:10,108 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 23:59:10,109 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 23:59:10,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 23:59:10,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 23:59:10,114 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 23:59:10,115 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 23:59:10,118 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 23:59:10,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 23:59:10,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 23:59:10,125 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 23:59:10,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 23:59:10,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 23:59:10,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 23:59:10,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 23:59:10,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 23:59:10,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 23:59:10,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 23:59:10,136 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 23:59:10,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 23:59:10,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 23:59:10,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 23:59:10,141 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 23:59:10,142 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 23:59:10,143 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 23:59:10,144 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 23:59:10,144 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 23:59:10,145 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 23:59:10,146 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 23:59:10,147 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 23:59:10,157 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 23:59:10,200 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 23:59:10,202 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 23:59:10,204 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 23:59:10,204 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 23:59:10,205 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 23:59:10,205 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 23:59:10,205 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 23:59:10,206 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 23:59:10,206 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 23:59:10,206 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 23:59:10,207 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 23:59:10,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 23:59:10,208 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 23:59:10,208 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 23:59:10,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 23:59:10,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 23:59:10,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 23:59:10,210 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 23:59:10,210 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 23:59:10,210 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 23:59:10,211 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 23:59:10,211 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 23:59:10,211 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 23:59:10,211 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 23:59:10,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 23:59:10,212 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 23:59:10,212 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 23:59:10,212 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 23:59:10,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 23:59:10,213 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 23:59:10,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 23:59:10,213 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 23:59:10,216 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 23:59:10,216 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e42a14d02446d341c51d21bb42c9bd175f1ebef [2020-11-29 23:59:10,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 23:59:10,508 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 23:59:10,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 23:59:10,513 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 23:59:10,514 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 23:59:10,515 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_io_1.c [2020-11-29 23:59:10,590 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/data/dc229d6f8/63aa7d5b5293457b93cf8fa46b5a836a/FLAG74fed10d6 [2020-11-29 23:59:11,102 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 23:59:11,103 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/sv-benchmarks/c/psyco/psyco_io_1.c [2020-11-29 23:59:11,113 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/data/dc229d6f8/63aa7d5b5293457b93cf8fa46b5a836a/FLAG74fed10d6 [2020-11-29 23:59:11,477 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/data/dc229d6f8/63aa7d5b5293457b93cf8fa46b5a836a [2020-11-29 23:59:11,479 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 23:59:11,481 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 23:59:11,483 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:11,483 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 23:59:11,486 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 23:59:11,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@190588cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11, skipping insertion in model container [2020-11-29 23:59:11,490 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,498 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 23:59:11,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 23:59:11,723 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:59:11,733 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 23:59:11,806 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 23:59:11,832 INFO L208 MainTranslator]: Completed translation [2020-11-29 23:59:11,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11 WrapperNode [2020-11-29 23:59:11,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 23:59:11,835 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 23:59:11,835 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 23:59:11,835 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 23:59:11,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,853 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,881 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 23:59:11,882 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 23:59:11,882 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 23:59:11,882 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 23:59:11,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,909 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... [2020-11-29 23:59:11,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 23:59:11,914 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 23:59:11,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 23:59:11,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 23:59:11,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/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 [2020-11-29 23:59:12,036 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 23:59:12,037 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 23:59:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 23:59:12,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 23:59:12,589 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 23:59:12,589 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-29 23:59:12,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:12 BoogieIcfgContainer [2020-11-29 23:59:12,591 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 23:59:12,593 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 23:59:12,593 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 23:59:12,623 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 23:59:12,624 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:59:12,624 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 11:59:11" (1/3) ... [2020-11-29 23:59:12,626 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49e0fe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:59:12, skipping insertion in model container [2020-11-29 23:59:12,626 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:59:12,627 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 11:59:11" (2/3) ... [2020-11-29 23:59:12,629 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@49e0fe04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 11:59:12, skipping insertion in model container [2020-11-29 23:59:12,629 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 23:59:12,629 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:12" (3/3) ... [2020-11-29 23:59:12,631 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2020-11-29 23:59:12,730 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 23:59:12,731 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 23:59:12,731 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 23:59:12,731 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 23:59:12,731 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 23:59:12,731 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 23:59:12,732 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 23:59:12,732 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 23:59:12,748 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-29 23:59:12,775 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-11-29 23:59:12,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:59:12,776 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:59:12,784 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 23:59:12,784 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:59:12,784 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 23:59:12,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-29 23:59:12,790 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-11-29 23:59:12,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:59:12,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:59:12,792 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-29 23:59:12,792 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-29 23:59:12,801 INFO L794 eck$LassoCheckResult]: Stem: 27#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 11#L-1true havoc main_#res;havoc 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_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, 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; 15#L25-2true [2020-11-29 23:59:12,801 INFO L796 eck$LassoCheckResult]: Loop: 15#L25-2true goto; 32#L337true assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10; 69#L35true assume !(0 == main_~q~0); 31#L55true assume !(1 == main_~q~0); 47#L107true assume !(2 == main_~q~0); 26#L223true assume !(3 == main_~q~0); 15#L25-2true [2020-11-29 23:59:12,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:12,809 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-29 23:59:12,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:12,820 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880636495] [2020-11-29 23:59:12,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:12,924 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:12,945 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:12,967 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:59:12,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:12,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2020-11-29 23:59:12,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:12,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388754606] [2020-11-29 23:59:12,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:12,978 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:12,984 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:12,987 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:59:12,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:12,997 INFO L82 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2020-11-29 23:59:12,997 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:12,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1741404887] [2020-11-29 23:59:12,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 23:59:13,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 23:59:13,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1741404887] [2020-11-29 23:59:13,113 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 23:59:13,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 23:59:13,114 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455235791] [2020-11-29 23:59:13,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 23:59:13,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-29 23:59:13,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-29 23:59:13,269 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2020-11-29 23:59:13,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 23:59:13,376 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2020-11-29 23:59:13,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-29 23:59:13,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2020-11-29 23:59:13,385 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-11-29 23:59:13,393 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2020-11-29 23:59:13,394 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2020-11-29 23:59:13,395 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-11-29 23:59:13,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2020-11-29 23:59:13,397 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 23:59:13,398 INFO L691 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-29 23:59:13,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2020-11-29 23:59:13,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-29 23:59:13,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-29 23:59:13,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2020-11-29 23:59:13,436 INFO L714 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-29 23:59:13,437 INFO L594 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-29 23:59:13,437 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 23:59:13,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2020-11-29 23:59:13,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-11-29 23:59:13,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 23:59:13,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 23:59:13,444 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-29 23:59:13,444 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-29 23:59:13,445 INFO L794 eck$LassoCheckResult]: Stem: 173#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~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; 154#L-1 havoc main_#res;havoc 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_#t~nondet22, main_#t~nondet23, main_#t~nondet24, main_#t~nondet25, main_#t~nondet26, main_#t~nondet27, main_#t~nondet28, 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; 155#L25-2 goto; 161#L337 [2020-11-29 23:59:13,445 INFO L796 eck$LassoCheckResult]: Loop: 161#L337 assume !false;main_~P1~0 := main_#t~nondet7;havoc main_#t~nondet7;main_~P2~0 := main_#t~nondet8;havoc main_#t~nondet8;main_~P3~0 := main_#t~nondet9;havoc main_#t~nondet9;main_~P4~0 := main_#t~nondet10;havoc main_#t~nondet10; 182#L35 assume 0 == main_~q~0; 164#L36 assume !(0 != main_#t~nondet11);havoc main_#t~nondet11; 161#L337 [2020-11-29 23:59:13,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:13,446 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-11-29 23:59:13,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:13,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016628145] [2020-11-29 23:59:13,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,460 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,473 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,479 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:59:13,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:13,480 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-11-29 23:59:13,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:13,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376569142] [2020-11-29 23:59:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:13,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,490 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,494 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:59:13,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 23:59:13,495 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-11-29 23:59:13,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 23:59:13,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705529782] [2020-11-29 23:59:13,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 23:59:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,519 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 23:59:13,532 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 23:59:13,538 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 23:59:13,970 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-11-29 23:59:14,114 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-29 23:59:14,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 11:59:14 BoogieIcfgContainer [2020-11-29 23:59:14,157 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 23:59:14,159 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 23:59:14,159 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 23:59:14,159 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 23:59:14,160 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 11:59:12" (3/4) ... [2020-11-29 23:59:14,163 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 23:59:14,206 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_12612745-02f2-4a6c-92d7-63d4c4759b98/bin/uautomizer/witness.graphml [2020-11-29 23:59:14,207 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 23:59:14,211 INFO L168 Benchmark]: Toolchain (without parser) took 2727.16 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 76.3 MB in the beginning and 56.4 MB in the end (delta: 19.9 MB). Peak memory consumption was 42.0 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,216 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:59:14,217 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.12 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 78.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.67 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 76.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 23:59:14,219 INFO L168 Benchmark]: Boogie Preprocessor took 31.74 ms. Allocated memory is still 102.8 MB. Free memory was 76.9 MB in the beginning and 75.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,223 INFO L168 Benchmark]: RCFGBuilder took 677.17 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 49.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,225 INFO L168 Benchmark]: BuchiAutomizer took 1565.37 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 49.6 MB in the beginning and 58.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,225 INFO L168 Benchmark]: Witness Printer took 48.17 ms. Allocated memory is still 123.7 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 23:59:14,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 102.8 MB. Free memory is still 58.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 351.12 ms. Allocated memory is still 102.8 MB. Free memory was 76.0 MB in the beginning and 78.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.67 ms. Allocated memory is still 102.8 MB. Free memory was 78.6 MB in the beginning and 76.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 31.74 ms. Allocated memory is still 102.8 MB. Free memory was 76.9 MB in the beginning and 75.1 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 677.17 ms. Allocated memory is still 102.8 MB. Free memory was 75.1 MB in the beginning and 49.6 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1565.37 ms. Allocated memory was 102.8 MB in the beginning and 123.7 MB in the end (delta: 21.0 MB). Free memory was 49.6 MB in the beginning and 58.6 MB in the end (delta: -9.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Witness Printer took 48.17 ms. Allocated memory is still 123.7 MB. Free memory was 58.6 MB in the beginning and 56.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. 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: 25]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {m_PipedOutputStream=2, NULL=2, NULL=0, \result=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@74b31b81=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6a6dafba=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687e4c30=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@732d33c6=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1fae5131=0, m_connect_2=6, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24dfda1d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41e920d1=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73254b89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b763ecf=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18b93d01=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23cedea=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18154d68=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@755fb082=0, NULL=0, NULL=0, NULL=0, NULL=4, P4=18, P3=17, P2=16, P1=19, m_close=3, m_write=4, m_flush=1, this_sink=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21231c8e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29444fd3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70643071=0, NULL=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1473cd6e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1500e1ef=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3aaef8f4=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d05443=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8e1a93d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5957e7e8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 25]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L7] int m_flush = 1; [L8] int m_PipedOutputStream = 2; [L9] int m_close = 3; [L10] int m_write = 4; [L11] int m_connect_1 = 5; [L12] int m_connect_2 = 6; [L17] int q = 0; [L18] int method_id; [L21] int this_sink = 0; [L22] int this_sinkConnected = 0; Loop: [L25] COND TRUE 1 [L28] int P1=__VERIFIER_nondet_int(); [L29] int P2=__VERIFIER_nondet_int(); [L30] int P3=__VERIFIER_nondet_int(); [L31] int P4=__VERIFIER_nondet_int(); [L35] COND TRUE q == 0 [L36] COND FALSE !(__VERIFIER_nondet_int()) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...