./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.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_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/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 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 .................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:55:02,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:55:02,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:55:02,832 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:55:02,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:55:02,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:55:02,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:55:02,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:55:02,853 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:55:02,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:55:02,863 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:55:02,865 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:55:02,866 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:55:02,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:55:02,871 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:55:02,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:55:02,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:55:02,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:55:02,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:55:02,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:55:02,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:55:02,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:55:02,895 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:55:02,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:55:02,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:55:02,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:55:02,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:55:02,901 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:55:02,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:55:02,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:55:02,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:55:02,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:55:02,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:55:02,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:55:02,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:55:02,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:55:02,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:55:02,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:55:02,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:55:02,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:55:02,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:55:02,913 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 22:55:02,934 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:55:02,935 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:55:02,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:55:02,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:55:02,936 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:55:02,937 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 22:55:02,937 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 22:55:02,937 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 22:55:02,937 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 22:55:02,938 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 22:55:02,938 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 22:55:02,938 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:55:02,938 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:55:02,938 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 22:55:02,939 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:55:02,939 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:55:02,939 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:55:02,939 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 22:55:02,939 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 22:55:02,940 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 22:55:02,940 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:55:02,940 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:55:02,940 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 22:55:02,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:55:02,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 22:55:02,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:55:02,941 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:55:02,941 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 22:55:02,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:55:02,942 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:55:02,942 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:55:02,942 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 22:55:02,944 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 22:55:02,944 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_6dab38f2-98f1-47e3-8ed4-160bf6112092/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0df1047e1b3c0d0ab9fe327b9db1c0dbac786684 [2020-11-29 22:55:03,224 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:55:03,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:55:03,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:55:03,268 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:55:03,269 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:55:03,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-11-29 22:55:03,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/data/7fefed885/27e96771c8c44c3586bceff7836a5815/FLAG6d1802fca [2020-11-29 22:55:03,896 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:55:03,897 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/sv-benchmarks/c/product-lines/minepump_spec3_product01.cil.c [2020-11-29 22:55:03,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/data/7fefed885/27e96771c8c44c3586bceff7836a5815/FLAG6d1802fca [2020-11-29 22:55:04,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/data/7fefed885/27e96771c8c44c3586bceff7836a5815 [2020-11-29 22:55:04,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:55:04,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:55:04,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:55:04,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:55:04,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:55:04,181 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f8aaa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04, skipping insertion in model container [2020-11-29 22:55:04,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:55:04,237 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:55:04,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:55:04,566 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:55:04,668 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:55:04,703 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:55:04,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04 WrapperNode [2020-11-29 22:55:04,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:55:04,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:55:04,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:55:04,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:55:04,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,734 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:55:04,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:55:04,770 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:55:04,770 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:55:04,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,806 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... [2020-11-29 22:55:04,812 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:55:04,813 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:55:04,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:55:04,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:55:04,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-29 22:55:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:55:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:55:04,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:55:04,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:55:05,824 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:55:05,826 INFO L298 CfgBuilder]: Removed 78 assume(true) statements. [2020-11-29 22:55:05,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:55:05 BoogieIcfgContainer [2020-11-29 22:55:05,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:55:05,829 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 22:55:05,829 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 22:55:05,833 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 22:55:05,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:55:05,834 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 10:55:04" (1/3) ... [2020-11-29 22:55:05,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158fb29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:55:05, skipping insertion in model container [2020-11-29 22:55:05,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:55:05,836 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:55:04" (2/3) ... [2020-11-29 22:55:05,836 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@158fb29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 10:55:05, skipping insertion in model container [2020-11-29 22:55:05,837 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 22:55:05,837 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:55:05" (3/3) ... [2020-11-29 22:55:05,838 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product01.cil.c [2020-11-29 22:55:05,900 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 22:55:05,900 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 22:55:05,900 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 22:55:05,901 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:55:05,901 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:55:05,901 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 22:55:05,901 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:55:05,901 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 22:55:05,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 22:55:05,946 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 22:55:05,946 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:55:05,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:55:05,956 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:55:05,957 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:55:05,957 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-29 22:55:05,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states. [2020-11-29 22:55:05,963 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2020-11-29 22:55:05,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:55:05,963 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:55:05,964 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:55:05,964 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:55:05,969 INFO L794 eck$LassoCheckResult]: Stem: 39#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 10#L-1true havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 58#L251true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 26#L259true main_#t~ret32 := valid_product_#res;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 18#L391true assume 0 != main_~tmp~2; 65#L368true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 24#L281-1true [2020-11-29 22:55:05,978 INFO L796 eck$LassoCheckResult]: Loop: 24#L281-1true assume !false; 40#L172true assume test_~splverifierCounter~0 < 4; 51#L173true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 62#L181true assume !(0 != test_~tmp~0); 46#L181-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 48#L191true assume !(0 != test_~tmp___0~0); 36#L191-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 8#L201true assume 0 != test_~tmp___2~0; 64#L207-2true assume !(0 != ~pumpRunning~0); 3#L58true assume 0 != ~systemActive~0; 16#L65true havoc __utac_acc__Specification3_spec__1_#t~ret29, __utac_acc__Specification3_spec__1_#t~ret30, __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 59#L448true __utac_acc__Specification3_spec__1_#t~ret29 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret29;havoc __utac_acc__Specification3_spec__1_#t~ret29; 35#L275true assume 0 != __utac_acc__Specification3_spec__1_~tmp~1; 24#L281-1true [2020-11-29 22:55:05,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:05,987 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2020-11-29 22:55:06,000 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:06,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755862860] [2020-11-29 22:55:06,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:06,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:06,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:06,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:06,478 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:55:06,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:06,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1682573544, now seen corresponding path program 1 times [2020-11-29 22:55:06,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:06,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136213775] [2020-11-29 22:55:06,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:06,502 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:06,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:06,517 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:06,527 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:55:06,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:06,530 INFO L82 PathProgramCache]: Analyzing trace with hash 31705394, now seen corresponding path program 1 times [2020-11-29 22:55:06,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:06,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359320220] [2020-11-29 22:55:06,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:55:06,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:55:06,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359320220] [2020-11-29 22:55:06,700 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:55:06,700 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-29 22:55:06,701 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48304888] [2020-11-29 22:55:06,793 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:55:06,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-29 22:55:06,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-29 22:55:06,808 INFO L87 Difference]: Start difference. First operand 63 states. Second operand 5 states. [2020-11-29 22:55:06,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:55:06,996 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2020-11-29 22:55:06,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-29 22:55:07,001 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2020-11-29 22:55:07,014 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2020-11-29 22:55:07,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2020-11-29 22:55:07,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2020-11-29 22:55:07,032 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2020-11-29 22:55:07,034 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2020-11-29 22:55:07,036 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-11-29 22:55:07,037 INFO L691 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2020-11-29 22:55:07,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2020-11-29 22:55:07,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2020-11-29 22:55:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-11-29 22:55:07,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2020-11-29 22:55:07,093 INFO L714 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2020-11-29 22:55:07,094 INFO L594 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2020-11-29 22:55:07,094 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-11-29 22:55:07,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2020-11-29 22:55:07,098 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2020-11-29 22:55:07,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-29 22:55:07,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-29 22:55:07,100 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2020-11-29 22:55:07,100 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:55:07,100 INFO L794 eck$LassoCheckResult]: Stem: 321#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(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(13);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string36.base, #t~string36.offset, 1);call write~init~int(77, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(101, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(116, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(104, #t~string36.base, 4 + #t~string36.offset, 1);call write~init~int(58, #t~string36.base, 5 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 6 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string38.base, #t~string38.offset, 1);call write~init~int(82, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(73, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(84, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 4 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string40.base, #t~string40.offset, 1);call write~init~int(75, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 2 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string42.base, #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 1 + #t~string42.offset, 1);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(21);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(30);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(9);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(30);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(9);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 286#L-1 havoc main_#res;havoc main_#t~ret32, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 287#L251 havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 306#L259 main_#t~ret32 := valid_product_#res;main_~tmp~2 := main_#t~ret32;havoc main_#t~ret32; 298#L391 assume 0 != main_~tmp~2; 299#L368 havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 341#L281-1 [2020-11-29 22:55:07,101 INFO L796 eck$LassoCheckResult]: Loop: 341#L281-1 assume !false; 356#L172 assume test_~splverifierCounter~0 < 4; 334#L173 test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 335#L181 assume !(0 != test_~tmp~0); 326#L181-1 test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 327#L191 assume !(0 != test_~tmp___0~0); 365#L191-1 test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 364#L201 assume 0 != test_~tmp___2~0; 361#L207-2 assume !(0 != ~pumpRunning~0); 360#L58 assume 0 != ~systemActive~0; 296#L65 havoc __utac_acc__Specification3_spec__1_#t~ret29, __utac_acc__Specification3_spec__1_#t~ret30, __utac_acc__Specification3_spec__1_#t~ret31, __utac_acc__Specification3_spec__1_~tmp~1, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 297#L448 __utac_acc__Specification3_spec__1_#t~ret29 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~1 := __utac_acc__Specification3_spec__1_#t~ret29;havoc __utac_acc__Specification3_spec__1_#t~ret29; 316#L275 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~1);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 317#L480 __utac_acc__Specification3_spec__1_#t~ret30 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret30;havoc __utac_acc__Specification3_spec__1_#t~ret30; 324#L281 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 341#L281-1 [2020-11-29 22:55:07,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:07,101 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2020-11-29 22:55:07,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:07,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476472456] [2020-11-29 22:55:07,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,152 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,217 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,246 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:55:07,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:07,247 INFO L82 PathProgramCache]: Analyzing trace with hash -2045467412, now seen corresponding path program 1 times [2020-11-29 22:55:07,247 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:07,248 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166300613] [2020-11-29 22:55:07,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:07,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,253 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,257 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,261 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:55:07,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:55:07,262 INFO L82 PathProgramCache]: Analyzing trace with hash 404117638, now seen corresponding path program 1 times [2020-11-29 22:55:07,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:55:07,262 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798906658] [2020-11-29 22:55:07,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:55:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,322 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:55:07,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:55:07,430 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:56:23,409 WARN L193 SmtUtils]: Spent 1.26 m on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2020-11-29 22:57:09,110 WARN L193 SmtUtils]: Spent 45.69 s on a formula simplification that was a NOOP. DAG size: 433 [2020-11-29 22:57:09,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 10:57:09 BoogieIcfgContainer [2020-11-29 22:57:09,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 22:57:09,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:57:09,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:57:09,292 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:57:09,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:55:05" (3/4) ... [2020-11-29 22:57:09,295 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-29 22:57:09,401 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6dab38f2-98f1-47e3-8ed4-160bf6112092/bin/uautomizer/witness.graphml [2020-11-29 22:57:09,408 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:57:09,410 INFO L168 Benchmark]: Toolchain (without parser) took 125234.06 ms. Allocated memory was 96.5 MB in the beginning and 142.6 MB in the end (delta: 46.1 MB). Free memory was 67.9 MB in the beginning and 103.6 MB in the end (delta: -35.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,412 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 75.5 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:57:09,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.15 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 62.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,414 INFO L168 Benchmark]: Boogie Procedure Inliner took 61.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,418 INFO L168 Benchmark]: Boogie Preprocessor took 43.39 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 58.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,419 INFO L168 Benchmark]: RCFGBuilder took 1014.29 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 88.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,420 INFO L168 Benchmark]: BuchiAutomizer took 123446.85 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 88.1 MB in the beginning and 105.7 MB in the end (delta: -17.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,424 INFO L168 Benchmark]: Witness Printer took 132.07 ms. Allocated memory is still 142.6 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:57:09,427 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 75.5 MB. Free memory is still 41.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 530.15 ms. Allocated memory is still 96.5 MB. Free memory was 67.6 MB in the beginning and 62.8 MB in the end (delta: 4.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 61.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.8 MB in the beginning and 60.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.39 ms. Allocated memory is still 96.5 MB. Free memory was 60.2 MB in the beginning and 58.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1014.29 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 58.1 MB in the beginning and 88.1 MB in the end (delta: -30.0 MB). Peak memory consumption was 15.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 123446.85 ms. Allocated memory was 117.4 MB in the beginning and 142.6 MB in the end (delta: 25.2 MB). Free memory was 88.1 MB in the beginning and 105.7 MB in the end (delta: -17.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 16.1 GB. * Witness Printer took 132.07 ms. Allocated memory is still 142.6 MB. Free memory was 105.7 MB in the beginning and 103.6 MB in the end (delta: 2.1 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 5 locations. The remainder module has 100 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 123.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 122.9s. 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, 63 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 100 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 106 SDtfs, 280 SDslu, 300 SDs, 0 SdLazy, 43 SolverSat, 14 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: 171]: 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 {NULL=15345, NULL=0, NULL=0, NULL=0, NULL=0, NULL=1, NULL=0, retValue_acc=0, NULL=15364, NULL=0, NULL=15367, NULL=15358, NULL=0, NULL=15354, NULL=15370, NULL=15371, methaneLevelCritical=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba0be0c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37e44b3c=0, NULL=0, tmp___1=0, NULL=15350, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d316357=0, NULL=0, NULL=0, NULL=15363, tmp=0, cleanupTimeShifts=4, tmp=0, NULL=15344, NULL=15348, NULL=15347, tmp___0=1, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, retValue_acc=0, tmp___0=0, NULL=15351, \result=1, head=0, pumpRunning=0, \result=0, NULL=15360, NULL=15355, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77ba128c=0, NULL=0, NULL=0, NULL=15357, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fa0f5a2=76, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17ccd5a0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50416116=0, NULL=0, NULL=0, retValue_acc=1, NULL=15353, NULL=0, NULL=0, NULL=15365, NULL=0, NULL=0, NULL=15361, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3fa0e8f0=0, tmp___2=76, NULL=0, splverifierCounter=0, NULL=0, NULL=0, \result=0, NULL=15356, NULL=15346, NULL=15349, NULL=15366, tmp___1=0, head=0, NULL=15359, NULL=15352, NULL=0, NULL=0, NULL=15368, NULL=15362, NULL=15369} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L309] int cleanupTimeShifts = 4; [L405] int waterLevel = 1; [L406] int methaneLevelCritical = 0; [L654] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L382] int retValue_acc ; [L383] int tmp ; [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); [L389] tmp = valid_product() [L391] COND TRUE \read(tmp) [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 Loop: [L171] COND TRUE 1 [L173] COND TRUE splverifierCounter < 4 [L179] tmp = __VERIFIER_nondet_int() [L181] COND FALSE !(\read(tmp)) [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L267] int tmp ; [L268] int tmp___0 ; [L269] int tmp___1 ; [L444] int retValue_acc ; [L447] retValue_acc = methaneLevelCritical [L448] return (retValue_acc); [L273] tmp = isMethaneLevelCritical() [L275] COND FALSE !(\read(tmp)) [L476] int retValue_acc ; [L479] retValue_acc = waterLevel [L480] return (retValue_acc); [L279] tmp___0 = getWaterLevel() [L281] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...