./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/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 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 ................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:19,945 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:19,947 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:19,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:19,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:19,958 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:19,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:19,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:19,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:19,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:19,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:19,966 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:19,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:19,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:19,968 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:19,969 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:19,970 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:19,971 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:19,973 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:19,975 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:19,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:19,977 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:19,978 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:19,979 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:19,982 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:19,982 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:19,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:19,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:19,984 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:19,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:19,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:19,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:19,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:19,988 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:19,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:19,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:19,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:19,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:19,990 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:19,991 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:19,992 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:19,993 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 09:02:20,008 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:20,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:20,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:20,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:20,010 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:20,011 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 09:02:20,011 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 09:02:20,011 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 09:02:20,012 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 09:02:20,012 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 09:02:20,012 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 09:02:20,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:20,012 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:20,013 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 09:02:20,013 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:20,013 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:20,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:20,014 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 09:02:20,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 09:02:20,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 09:02:20,014 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:20,014 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:20,015 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 09:02:20,015 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:20,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 09:02:20,016 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:20,016 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:20,016 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 09:02:20,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:20,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:20,017 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 09:02:20,018 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 09:02:20,018 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/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 -> 36c0a5fa74c1b366a9089fb42e1a6f8123b61f10 [2019-10-22 09:02:20,047 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:20,059 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:20,062 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:20,064 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:20,064 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:20,065 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-10-22 09:02:20,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/data/6859c9077/97b15d334ca2417ebdb153e86977a297/FLAG4ebe1736f [2019-10-22 09:02:20,561 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:20,563 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/sv-benchmarks/c/product-lines/minepump_spec4_product04.cil.c [2019-10-22 09:02:20,577 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/data/6859c9077/97b15d334ca2417ebdb153e86977a297/FLAG4ebe1736f [2019-10-22 09:02:20,899 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/data/6859c9077/97b15d334ca2417ebdb153e86977a297 [2019-10-22 09:02:20,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:20,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:20,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:20,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:20,910 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:20,911 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,914 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46020af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:20, skipping insertion in model container [2019-10-22 09:02:20,914 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:20" (1/1) ... [2019-10-22 09:02:20,923 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:20,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:21,380 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:21,404 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:21,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:21,560 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:21,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21 WrapperNode [2019-10-22 09:02:21,561 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:21,562 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:21,562 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:21,562 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:21,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:21,662 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:21,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:21,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:21,680 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,691 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,697 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,703 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... [2019-10-22 09:02:21,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:21,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:21,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:21,707 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:21,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/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 [2019-10-22 09:02:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 09:02:21,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 09:02:21,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:21,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:22,476 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:22,477 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 09:02:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22 BoogieIcfgContainer [2019-10-22 09:02:22,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:22,479 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 09:02:22,479 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 09:02:22,482 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 09:02:22,483 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:22,484 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 09:02:20" (1/3) ... [2019-10-22 09:02:22,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d47ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:22, skipping insertion in model container [2019-10-22 09:02:22,488 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:22,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:21" (2/3) ... [2019-10-22 09:02:22,488 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d47ee4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 09:02:22, skipping insertion in model container [2019-10-22 09:02:22,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 09:02:22,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22" (3/3) ... [2019-10-22 09:02:22,490 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product04.cil.c [2019-10-22 09:02:22,543 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 09:02:22,543 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 09:02:22,544 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 09:02:22,544 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:22,544 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:22,544 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 09:02:22,544 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:22,544 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 09:02:22,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 09:02:22,584 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 09:02:22,584 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:22,586 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:22,594 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,594 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,595 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 09:02:22,595 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states. [2019-10-22 09:02:22,598 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2019-10-22 09:02:22,598 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:22,598 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:22,599 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,599 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:22,604 INFO L791 eck$LassoCheckResult]: Stem: 14#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25); 6#L-1true havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 21#L166true havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 55#L174true main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 50#L130true assume 0 != main_~tmp~0; 11#L103true havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 47#L851-1true [2019-10-22 09:02:22,605 INFO L793 eck$LassoCheckResult]: Loop: 47#L851-1true assume !false; 18#L410true assume test_~splverifierCounter~0 < 4; 31#L411true test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 37#L419true assume !(0 != test_~tmp~1); 39#L419-1true test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 22#L429true assume !(0 != test_~tmp___0~0); 24#L429-1true test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 10#L439true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 13#L447-1true assume !(0 != ~pumpRunning~0); 28#L276true assume !(0 != ~systemActive~0); 20#L283true havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 52#L258true __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 43#L851true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 47#L851-1true [2019-10-22 09:02:22,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:22,611 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-10-22 09:02:22,619 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:22,620 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66858883] [2019-10-22 09:02:22,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,620 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:22,620 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:23,672 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:23,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:23,673 INFO L82 PathProgramCache]: Analyzing trace with hash -1672941108, now seen corresponding path program 1 times [2019-10-22 09:02:23,674 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:23,674 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810174496] [2019-10-22 09:02:23,674 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,675 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,675 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:23,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:23,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810174496] [2019-10-22 09:02:23,741 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:23,741 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:23,741 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547246602] [2019-10-22 09:02:23,747 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-10-22 09:02:23,748 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:23,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:23,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:23,769 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 3 states. [2019-10-22 09:02:23,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:23,847 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2019-10-22 09:02:23,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:23,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 106 states and 144 transitions. [2019-10-22 09:02:23,854 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 66 [2019-10-22 09:02:23,861 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 106 states to 92 states and 129 transitions. [2019-10-22 09:02:23,862 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 92 [2019-10-22 09:02:23,863 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 92 [2019-10-22 09:02:23,864 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 129 transitions. [2019-10-22 09:02:23,867 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 09:02:23,867 INFO L688 BuchiCegarLoop]: Abstraction has 92 states and 129 transitions. [2019-10-22 09:02:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 129 transitions. [2019-10-22 09:02:23,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 90. [2019-10-22 09:02:23,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2019-10-22 09:02:23,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2019-10-22 09:02:23,900 INFO L711 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 09:02:23,900 INFO L591 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2019-10-22 09:02:23,900 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 09:02:23,900 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2019-10-22 09:02:23,903 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2019-10-22 09:02:23,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 09:02:23,903 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 09:02:23,904 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-10-22 09:02:23,904 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:23,904 INFO L791 eck$LassoCheckResult]: Stem: 189#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(13);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string5.base, #t~string5.offset, 1);call write~init~int(77, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(101, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(116, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(104, #t~string5.base, 4 + #t~string5.offset, 1);call write~init~int(58, #t~string5.base, 5 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 6 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string7.base, #t~string7.offset, 1);call write~init~int(82, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(73, #t~string7.base, 2 + #t~string7.offset, 1);call write~init~int(84, #t~string7.base, 3 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 4 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string9.base, #t~string9.offset, 1);call write~init~int(75, #t~string9.base, 1 + #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 2 + #t~string9.offset, 1);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string11.base, #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 1 + #t~string11.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(21);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(30);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(9);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(21);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(25);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(25); 177#L-1 havoc main_#res;havoc main_#t~ret0, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 178#L166 havoc valid_product_#res;havoc valid_product_~retValue_acc~2;havoc valid_product_~retValue_acc~2;valid_product_~retValue_acc~2 := 1;valid_product_#res := valid_product_~retValue_acc~2; 200#L174 main_#t~ret0 := valid_product_#res;main_~tmp~0 := main_#t~ret0;havoc main_#t~ret0; 224#L130 assume 0 != main_~tmp~0; 182#L103 havoc test_#t~nondet29, test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 183#L851-1 [2019-10-22 09:02:23,904 INFO L793 eck$LassoCheckResult]: Loop: 183#L851-1 assume !false; 243#L410 assume test_~splverifierCounter~0 < 4; 244#L411 test_~tmp~1 := test_#t~nondet29;havoc test_#t~nondet29; 259#L419 assume !(0 != test_~tmp~1); 257#L419-1 test_~tmp___0~0 := test_#t~nondet30;havoc test_#t~nondet30; 256#L429 assume !(0 != test_~tmp___0~0); 254#L429-1 test_~tmp___2~0 := test_#t~nondet31;havoc test_#t~nondet31; 253#L439 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 180#L447-1 assume !(0 != ~pumpRunning~0); 250#L276 assume 0 != ~systemActive~0; 249#L283 havoc __utac_acc__Specification4_spec__1_#t~ret68, __utac_acc__Specification4_spec__1_#t~ret69, __utac_acc__Specification4_spec__1_~tmp~5, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~5;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~4;havoc getWaterLevel_~retValue_acc~4;getWaterLevel_~retValue_acc~4 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~4; 248#L258 __utac_acc__Specification4_spec__1_#t~ret68 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~5 := __utac_acc__Specification4_spec__1_#t~ret68;havoc __utac_acc__Specification4_spec__1_#t~ret68; 246#L851 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~5); 183#L851-1 [2019-10-22 09:02:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-10-22 09:02:23,905 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:23,905 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614087440] [2019-10-22 09:02:23,906 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,906 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:23,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,392 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:24,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1673030481, now seen corresponding path program 1 times [2019-10-22 09:02:24,396 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:24,396 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124335557] [2019-10-22 09:02:24,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,396 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,410 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 41248457, now seen corresponding path program 1 times [2019-10-22 09:02:24,415 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:24,415 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94429422] [2019-10-22 09:02:24,416 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,417 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:24,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 09:02:24,796 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 09:02:45,226 WARN L191 SmtUtils]: Spent 20.27 s on a formula simplification. DAG size of input: 451 DAG size of output: 449 [2019-10-22 09:02:56,339 WARN L191 SmtUtils]: Spent 11.11 s on a formula simplification that was a NOOP. DAG size: 449 [2019-10-22 09:02:56,395 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 09:02:56 BoogieIcfgContainer [2019-10-22 09:02:56,395 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 09:02:56,396 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:56,396 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:56,396 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:56,397 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:22" (3/4) ... [2019-10-22 09:02:56,400 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-10-22 09:02:56,452 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1109478f-fa4d-4b02-89e9-7b600ae0e5bb/bin/uautomizer/witness.graphml [2019-10-22 09:02:56,453 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:56,454 INFO L168 Benchmark]: Toolchain (without parser) took 35551.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.6 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 54.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,455 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:56,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,456 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:56,456 INFO L168 Benchmark]: Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,457 INFO L168 Benchmark]: RCFGBuilder took 772.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,457 INFO L168 Benchmark]: BuchiAutomizer took 33916.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.7 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,458 INFO L168 Benchmark]: Witness Printer took 56.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:56,460 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 655.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 939.1 MB in the beginning and 1.1 GB in the end (delta: -178.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 772.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 33916.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 72.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -37.7 MB). Peak memory consumption was 296.5 MB. Max. memory is 11.5 GB. * Witness Printer took 56.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 33.8s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 33.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 90 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 74 SDtfs, 70 SDslu, 62 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 409]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1402} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=-5, NULL=0, retValue_acc=0, NULL=1402, NULL=-3, NULL=0, NULL=0, NULL=-9, NULL=-16, NULL=-10, NULL=-4, methaneLevelCritical=0, NULL=0, tmp___1=0, NULL=-18, NULL=-13, tmp___0=0, cleanupTimeShifts=4, tmp=0, NULL=-23, NULL=-8, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=-6, NULL=0, NULL=0, NULL=0, \result=1, NULL=-11, head=0, pumpRunning=0, tmp=1, \result=0, NULL=-2, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71eda092=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ac62397=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@627db45=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f19fac9=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59cd1bd6=0, NULL=1401, NULL=-20, tmp=1, NULL=-17, retValue_acc=1, tmp___2=54, retValue_acc=1, NULL=-21, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=-14, head=0, NULL=0, NULL=0, NULL=-22, NULL=0, NULL=0, NULL=-15, NULL=-12, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38271d28=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@691f8872=0, NULL=0, NULL=-7, NULL=-19, NULL=-1, NULL=-24} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L40] int cleanupTimeShifts = 4; [L183] int waterLevel = 1; [L184] int methaneLevelCritical = 0; [L268] int pumpRunning = 0; [L269] int systemActive = 1; [L637] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L121] int retValue_acc ; [L122] int tmp ; [L170] int retValue_acc ; [L173] retValue_acc = 1 [L174] return (retValue_acc); [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) [L400] int splverifierCounter ; [L401] int tmp ; [L402] int tmp___0 ; [L403] int tmp___1 ; [L404] int tmp___2 ; [L407] splverifierCounter = 0 Loop: [L409] COND TRUE 1 [L411] COND TRUE splverifierCounter < 4 [L417] tmp = __VERIFIER_nondet_int() [L419] COND FALSE !(\read(tmp)) [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND FALSE !(\read(tmp___0)) [L437] tmp___2 = __VERIFIER_nondet_int() [L439] COND TRUE \read(tmp___2) [L394] systemActive = 1 [L276] COND FALSE !(\read(pumpRunning)) [L283] COND TRUE \read(systemActive) [L844] int tmp ; [L845] int tmp___0 ; [L254] int retValue_acc ; [L257] retValue_acc = waterLevel [L258] return (retValue_acc); [L849] tmp = getWaterLevel() [L851] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...