./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_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/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 [2020-11-28 03:10:42,912 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:10:42,915 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:10:42,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:10:42,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:10:42,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:10:42,978 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:10:42,981 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:10:42,983 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:10:42,984 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:10:42,986 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:10:43,008 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:10:43,010 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:10:43,017 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:10:43,019 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:10:43,022 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:10:43,023 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:10:43,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:10:43,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:10:43,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:10:43,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:10:43,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:10:43,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:10:43,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:10:43,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:10:43,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:10:43,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:10:43,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:10:43,063 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:10:43,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:10:43,065 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:10:43,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:10:43,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:10:43,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:10:43,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:10:43,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:10:43,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:10:43,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:10:43,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:10:43,077 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:10:43,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:10:43,081 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-28 03:10:43,117 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:10:43,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:10:43,119 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:10:43,119 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:10:43,119 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:10:43,119 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-28 03:10:43,119 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-28 03:10:43,120 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-28 03:10:43,120 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-28 03:10:43,120 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-28 03:10:43,120 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-28 03:10:43,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:10:43,121 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:10:43,121 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-28 03:10:43,121 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:10:43,121 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:10:43,122 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:10:43,122 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-28 03:10:43,122 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-28 03:10:43,122 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-28 03:10:43,122 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:10:43,123 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:10:43,123 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-28 03:10:43,123 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:10:43,123 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-28 03:10:43,123 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:10:43,124 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:10:43,124 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-28 03:10:43,124 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:10:43,124 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:10:43,125 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:10:43,125 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-28 03:10:43,126 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-28 03:10:43,126 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_f4794138-4e06-4b5c-b92a-6c35c16cef9e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e42a14d02446d341c51d21bb42c9bd175f1ebef [2020-11-28 03:10:43,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:10:43,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:10:43,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:10:43,443 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:10:43,444 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:10:43,445 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_io_1.c [2020-11-28 03:10:43,551 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/data/28ddc022c/4c7490a6fcd047a3a1ba59cc71f22665/FLAG289bf0046 [2020-11-28 03:10:44,135 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:10:44,136 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/sv-benchmarks/c/psyco/psyco_io_1.c [2020-11-28 03:10:44,152 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/data/28ddc022c/4c7490a6fcd047a3a1ba59cc71f22665/FLAG289bf0046 [2020-11-28 03:10:44,499 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/data/28ddc022c/4c7490a6fcd047a3a1ba59cc71f22665 [2020-11-28 03:10:44,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:10:44,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:10:44,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:44,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:10:44,513 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:10:44,514 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,517 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7917cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44, skipping insertion in model container [2020-11-28 03:10:44,517 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:10:44,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:10:44,773 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:44,784 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:10:44,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:10:44,839 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:10:44,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44 WrapperNode [2020-11-28 03:10:44,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:10:44,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:44,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:10:44,842 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:10:44,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,860 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,889 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:10:44,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:10:44,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:10:44,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:10:44,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,909 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... [2020-11-28 03:10:44,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:10:44,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:10:44,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:10:44,925 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:10:44,926 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/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 [2020-11-28 03:10:45,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:10:45,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-28 03:10:45,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:10:45,562 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:10:45,562 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-11-28 03:10:45,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:45 BoogieIcfgContainer [2020-11-28 03:10:45,570 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:10:45,583 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-28 03:10:45,583 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-28 03:10:45,586 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-28 03:10:45,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:10:45,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 03:10:44" (1/3) ... [2020-11-28 03:10:45,588 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30218ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:10:45, skipping insertion in model container [2020-11-28 03:10:45,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:10:45,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:10:44" (2/3) ... [2020-11-28 03:10:45,589 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@30218ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 03:10:45, skipping insertion in model container [2020-11-28 03:10:45,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-28 03:10:45,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:45" (3/3) ... [2020-11-28 03:10:45,591 INFO L373 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2020-11-28 03:10:45,638 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-28 03:10:45,639 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-28 03:10:45,639 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-28 03:10:45,639 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:10:45,639 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:10:45,639 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-28 03:10:45,639 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:10:45,640 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-28 03:10:45,668 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-28 03:10:45,701 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-11-28 03:10:45,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:10:45,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:10:45,711 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:10:45,711 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:10:45,711 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-28 03:10:45,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-11-28 03:10:45,731 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-11-28 03:10:45,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:10:45,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:10:45,733 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-11-28 03:10:45,744 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-11-28 03:10:45,757 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 [2020-11-28 03:10:45,759 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 [2020-11-28 03:10:45,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:45,768 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-11-28 03:10:45,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:45,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136543340] [2020-11-28 03:10:45,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:45,941 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:45,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:45,979 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,006 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:10:46,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:46,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2020-11-28 03:10:46,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:46,012 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109347339] [2020-11-28 03:10:46,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:46,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,029 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,046 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,052 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:10:46,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:46,058 INFO L82 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2020-11-28 03:10:46,058 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:46,059 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293254153] [2020-11-28 03:10:46,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:10:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:10:46,171 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [293254153] [2020-11-28 03:10:46,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:10:46,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-28 03:10:46,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691618660] [2020-11-28 03:10:46,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-28 03:10:46,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-28 03:10:46,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-28 03:10:46,285 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2020-11-28 03:10:46,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:10:46,385 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2020-11-28 03:10:46,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-28 03:10:46,387 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2020-11-28 03:10:46,390 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-11-28 03:10:46,398 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2020-11-28 03:10:46,399 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2020-11-28 03:10:46,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-11-28 03:10:46,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2020-11-28 03:10:46,402 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-28 03:10:46,403 INFO L691 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-28 03:10:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2020-11-28 03:10:46,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-11-28 03:10:46,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-11-28 03:10:46,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2020-11-28 03:10:46,443 INFO L714 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-28 03:10:46,443 INFO L594 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-11-28 03:10:46,443 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-28 03:10:46,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2020-11-28 03:10:46,449 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-11-28 03:10:46,449 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-28 03:10:46,450 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-28 03:10:46,450 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-11-28 03:10:46,450 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-11-28 03:10:46,450 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 [2020-11-28 03:10:46,451 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 [2020-11-28 03:10:46,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:46,452 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-11-28 03:10:46,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:46,453 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122946063] [2020-11-28 03:10:46,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,480 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,508 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,513 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:10:46,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:46,516 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-11-28 03:10:46,516 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:46,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945080109] [2020-11-28 03:10:46,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,539 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,542 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,544 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:10:46,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:10:46,545 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-11-28 03:10:46,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-28 03:10:46,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450874150] [2020-11-28 03:10:46,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-28 03:10:46,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,566 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:10:46,583 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:10:46,589 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-28 03:10:46,898 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-11-28 03:10:47,046 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-28 03:10:47,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 03:10:47 BoogieIcfgContainer [2020-11-28 03:10:47,090 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-28 03:10:47,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:10:47,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:10:47,092 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:10:47,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:10:45" (3/4) ... [2020-11-28 03:10:47,095 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-28 03:10:47,157 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_f4794138-4e06-4b5c-b92a-6c35c16cef9e/bin/uautomizer/witness.graphml [2020-11-28 03:10:47,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:10:47,163 INFO L168 Benchmark]: Toolchain (without parser) took 2654.58 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 61.1 MB in the beginning and 58.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,167 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:47,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.22 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 71.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.2 MB in the beginning and 69.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:10:47,170 INFO L168 Benchmark]: Boogie Preprocessor took 33.68 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,171 INFO L168 Benchmark]: RCFGBuilder took 645.70 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 42.2 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,171 INFO L168 Benchmark]: BuchiAutomizer took 1506.79 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 41.8 MB in the beginning and 59.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,172 INFO L168 Benchmark]: Witness Printer took 70.38 ms. Allocated memory is still 117.4 MB. Free memory was 59.9 MB in the beginning and 58.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-28 03:10:47,177 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 96.5 MB. Free memory was 68.9 MB in the beginning and 68.9 MB in the end (delta: 27.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 331.22 ms. Allocated memory is still 96.5 MB. Free memory was 60.9 MB in the beginning and 71.2 MB in the end (delta: -10.3 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.32 ms. Allocated memory is still 96.5 MB. Free memory was 71.2 MB in the beginning and 69.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.68 ms. Allocated memory is still 96.5 MB. Free memory was 69.4 MB in the beginning and 68.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 645.70 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 42.2 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1506.79 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 41.8 MB in the beginning and 59.9 MB in the end (delta: -18.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Witness Printer took 70.38 ms. Allocated memory is still 117.4 MB. Free memory was 59.9 MB in the beginning and 58.0 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 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@55af29cd=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b55ce4b=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a89f6ba=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5db5b998=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71f802a2=0, m_connect_2=6, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71879fe0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d021146=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@49600beb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b542c70=0, NULL=3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@349abd40=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5143a14f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@214abb86=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1016501f=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@26e1c665=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b447bde=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@42b2060e=0, NULL=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e401556=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@23387d10=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@84f9584=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2035b806=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@807ad55=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a57482d=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...