./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/psyco/psyco_io_1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/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 0.2.0-69874e2 [2020-12-01 15:49:25,836 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:49:25,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:49:25,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:49:25,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:49:25,942 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:49:25,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:49:25,960 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:49:25,965 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:49:25,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:49:25,976 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:49:25,978 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:49:25,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:49:25,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:49:25,986 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:49:25,988 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:49:25,989 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:49:25,990 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:49:25,992 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:49:25,995 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:49:25,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:49:26,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:49:26,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:49:26,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:49:26,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:49:26,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:49:26,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:49:26,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:49:26,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:49:26,013 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:49:26,013 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:49:26,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:49:26,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:49:26,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:49:26,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:49:26,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:49:26,021 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:49:26,021 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:49:26,022 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:49:26,023 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:49:26,025 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:49:26,026 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-12-01 15:49:26,058 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:49:26,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:49:26,060 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:49:26,060 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:49:26,060 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:49:26,061 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-12-01 15:49:26,061 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-12-01 15:49:26,061 INFO L138 SettingsManager]: * Use old map elimination=false [2020-12-01 15:49:26,062 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-12-01 15:49:26,062 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-12-01 15:49:26,062 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-12-01 15:49:26,063 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:49:26,063 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:49:26,063 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-12-01 15:49:26,063 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:49:26,064 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:49:26,064 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:49:26,064 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-12-01 15:49:26,064 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-12-01 15:49:26,065 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-12-01 15:49:26,065 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:49:26,065 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:49:26,066 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-12-01 15:49:26,066 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:49:26,066 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-12-01 15:49:26,066 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:49:26,067 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:49:26,067 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-12-01 15:49:26,067 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:49:26,068 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:49:26,068 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:49:26,068 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-12-01 15:49:26,069 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-12-01 15:49:26,070 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_ef00313a-f864-4c42-a2a1-8d12f92adec5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0e42a14d02446d341c51d21bb42c9bd175f1ebef [2020-12-01 15:49:26,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:49:26,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:49:26,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:49:26,438 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:49:26,439 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:49:26,440 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/../../sv-benchmarks/c/psyco/psyco_io_1.c [2020-12-01 15:49:26,547 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/data/f28c016e6/3f6d04be1b604d1fa3923ba57b51b7f4/FLAG6dc5a1433 [2020-12-01 15:49:27,181 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:49:27,182 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/sv-benchmarks/c/psyco/psyco_io_1.c [2020-12-01 15:49:27,202 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/data/f28c016e6/3f6d04be1b604d1fa3923ba57b51b7f4/FLAG6dc5a1433 [2020-12-01 15:49:27,507 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/data/f28c016e6/3f6d04be1b604d1fa3923ba57b51b7f4 [2020-12-01 15:49:27,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:49:27,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:49:27,523 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:49:27,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:49:27,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:49:27,531 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:27,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d92c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27, skipping insertion in model container [2020-12-01 15:49:27,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:27,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:49:27,610 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:49:27,896 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:49:27,915 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:49:27,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:49:27,975 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:49:27,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27 WrapperNode [2020-12-01 15:49:27,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:49:27,978 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:49:27,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:49:27,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:49:27,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,001 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,035 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:49:28,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:49:28,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:49:28,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:49:28,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,061 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,095 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... [2020-12-01 15:49:28,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:49:28,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:49:28,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:49:28,101 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:49:28,113 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/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 [2020-12-01 15:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:49:28,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:49:28,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:49:28,680 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:49:28,680 INFO L298 CfgBuilder]: Removed 11 assume(true) statements. [2020-12-01 15:49:28,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:28 BoogieIcfgContainer [2020-12-01 15:49:28,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:49:28,684 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-12-01 15:49:28,685 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-12-01 15:49:28,689 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-12-01 15:49:28,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:28,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 01.12 03:49:27" (1/3) ... [2020-12-01 15:49:28,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ca739ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:49:28, skipping insertion in model container [2020-12-01 15:49:28,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:28,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:49:27" (2/3) ... [2020-12-01 15:49:28,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6ca739ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 01.12 03:49:28, skipping insertion in model container [2020-12-01 15:49:28,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-12-01 15:49:28,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:28" (3/3) ... [2020-12-01 15:49:28,695 INFO L389 chiAutomizerObserver]: Analyzing ICFG psyco_io_1.c [2020-12-01 15:49:28,803 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-12-01 15:49:28,804 INFO L360 BuchiCegarLoop]: Hoare is false [2020-12-01 15:49:28,804 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-12-01 15:49:28,804 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:49:28,804 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:49:28,805 INFO L364 BuchiCegarLoop]: Difference is false [2020-12-01 15:49:28,805 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:49:28,805 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-12-01 15:49:28,836 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-12-01 15:49:28,876 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-12-01 15:49:28,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:28,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:28,885 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:49:28,885 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:49:28,885 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-12-01 15:49:28,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2020-12-01 15:49:28,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 53 [2020-12-01 15:49:28,892 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:28,892 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:28,893 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-12-01 15:49:28,893 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2020-12-01 15:49:28,901 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 [2020-12-01 15:49:28,902 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 [2020-12-01 15:49:28,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:28,909 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2020-12-01 15:49:28,919 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:28,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615886963] [2020-12-01 15:49:28,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,044 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,067 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,094 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:29,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:29,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1070475851, now seen corresponding path program 1 times [2020-12-01 15:49:29,096 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:29,097 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676697719] [2020-12-01 15:49:29,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,112 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,116 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:29,118 INFO L82 PathProgramCache]: Analyzing trace with hash 150525069, now seen corresponding path program 1 times [2020-12-01 15:49:29,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:29,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349483498] [2020-12-01 15:49:29,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:49:29,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:49:29,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349483498] [2020-12-01 15:49:29,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:49:29,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 15:49:29,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75125738] [2020-12-01 15:49:29,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:49:29,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 15:49:29,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 15:49:29,334 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2020-12-01 15:49:29,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:49:29,478 INFO L93 Difference]: Finished difference Result 66 states and 102 transitions. [2020-12-01 15:49:29,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 15:49:29,483 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 102 transitions. [2020-12-01 15:49:29,489 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-12-01 15:49:29,500 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 52 states and 77 transitions. [2020-12-01 15:49:29,502 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 52 [2020-12-01 15:49:29,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2020-12-01 15:49:29,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 77 transitions. [2020-12-01 15:49:29,505 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-12-01 15:49:29,506 INFO L692 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-12-01 15:49:29,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 77 transitions. [2020-12-01 15:49:29,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-12-01 15:49:29,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-12-01 15:49:29,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 77 transitions. [2020-12-01 15:49:29,552 INFO L715 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-12-01 15:49:29,553 INFO L595 BuchiCegarLoop]: Abstraction has 52 states and 77 transitions. [2020-12-01 15:49:29,553 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-12-01 15:49:29,553 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 77 transitions. [2020-12-01 15:49:29,562 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 49 [2020-12-01 15:49:29,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-12-01 15:49:29,563 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-12-01 15:49:29,564 INFO L853 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-12-01 15:49:29,565 INFO L854 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-12-01 15:49:29,565 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 [2020-12-01 15:49:29,566 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 [2020-12-01 15:49:29,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:29,568 INFO L82 PathProgramCache]: Analyzing trace with hash 29859, now seen corresponding path program 1 times [2020-12-01 15:49:29,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:29,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069830657] [2020-12-01 15:49:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,610 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,648 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,655 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:29,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:29,667 INFO L82 PathProgramCache]: Analyzing trace with hash 40826, now seen corresponding path program 1 times [2020-12-01 15:49:29,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:29,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108139067] [2020-12-01 15:49:29,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,673 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,680 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,683 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:29,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:49:29,689 INFO L82 PathProgramCache]: Analyzing trace with hash 889540504, now seen corresponding path program 1 times [2020-12-01 15:49:29,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:49:29,690 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137786022] [2020-12-01 15:49:29,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:49:29,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,719 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:49:29,741 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:49:29,754 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:49:30,142 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 73 [2020-12-01 15:49:30,290 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-12-01 15:49:30,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 01.12 03:49:30 BoogieIcfgContainer [2020-12-01 15:49:30,351 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-12-01 15:49:30,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:49:30,355 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:49:30,355 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:49:30,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:49:28" (3/4) ... [2020-12-01 15:49:30,365 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-12-01 15:49:30,425 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_ef00313a-f864-4c42-a2a1-8d12f92adec5/bin/uautomizer/witness.graphml [2020-12-01 15:49:30,430 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:49:30,432 INFO L168 Benchmark]: Toolchain (without parser) took 2913.63 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 95.5 MB in the beginning and 129.1 MB in the end (delta: -33.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:30,434 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 36.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:30,435 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.00 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 100.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:30,436 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.51 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:30,436 INFO L168 Benchmark]: Boogie Preprocessor took 62.70 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 96.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:49:30,437 INFO L168 Benchmark]: RCFGBuilder took 582.90 ms. Allocated memory is still 125.8 MB. Free memory was 96.4 MB in the beginning and 70.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:30,438 INFO L168 Benchmark]: BuchiAutomizer took 1666.82 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 70.2 MB in the beginning and 131.2 MB in the end (delta: -61.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:30,438 INFO L168 Benchmark]: Witness Printer took 76.33 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 129.1 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:49:30,442 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 79.7 MB. Free memory was 36.5 MB in the beginning and 36.4 MB in the end (delta: 63.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.00 ms. Allocated memory is still 125.8 MB. Free memory was 95.1 MB in the beginning and 100.1 MB in the end (delta: -5.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.51 ms. Allocated memory is still 125.8 MB. Free memory was 100.1 MB in the beginning and 98.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.70 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 96.4 MB in the end (delta: 1.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 582.90 ms. Allocated memory is still 125.8 MB. Free memory was 96.4 MB in the beginning and 70.7 MB in the end (delta: 25.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1666.82 ms. Allocated memory was 125.8 MB in the beginning and 157.3 MB in the end (delta: 31.5 MB). Free memory was 70.2 MB in the beginning and 131.2 MB in the end (delta: -61.0 MB). Peak memory consumption was 33.4 MB. Max. memory is 16.1 GB. * Witness Printer took 76.33 ms. Allocated memory is still 157.3 MB. Free memory was 130.2 MB in the beginning and 129.1 MB in the end (delta: 1.0 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 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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=29307} State at position 1 is {m_PipedOutputStream=2, NULL=29308, NULL=0, \result=0, NULL=29307, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50ca3362=19, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fa4d7c0=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@657cbef2=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d4924f5=18, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c19471d=0, m_connect_2=6, m_connect_1=5, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56ab2f09=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ab1b1c6=0, this_sinkConnected=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45e4b819=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4078df65=0, NULL=29309, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656a9b89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@656122f8=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21cbcc2d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@67ac56a6=0, NULL=0, NULL=0, NULL=0, NULL=29310, 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@4fa46304=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@782cd4b7=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@18e89fdb=0, NULL=0, q=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@413e425b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b3f35c6=0, method_id=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1eede854=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@723d04ce=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2aff52=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3060a34b=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...