./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/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 eaa884e9733c01fe9db8345a7c098b974c9047d7 .............................................................................................................................................................................................................................................................................................................................................................................. 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 0.1.23-0cd3be1 [2018-11-28 13:10:56,948 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:10:56,949 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:10:56,958 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:10:56,958 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:10:56,959 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:10:56,960 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:10:56,961 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:10:56,963 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:10:56,963 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:10:56,964 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:10:56,964 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:10:56,965 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:10:56,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:10:56,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:10:56,967 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:10:56,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:10:56,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:10:56,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:10:56,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:10:56,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:10:56,973 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:10:56,975 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:10:56,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:10:56,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:10:56,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:10:56,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:10:56,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:10:56,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:10:56,979 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:10:56,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:10:56,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:10:56,979 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:10:56,980 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:10:56,980 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:10:56,981 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:10:56,981 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:10:56,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:10:56,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:10:56,995 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:10:56,995 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:10:56,996 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:10:56,996 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:10:56,997 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:10:56,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:10:56,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:10:56,999 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:10:56,999 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:10:56,999 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:10:56,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:10:56,999 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:10:56,999 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:10:57,000 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:10:57,000 INFO L133 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_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/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 -> eaa884e9733c01fe9db8345a7c098b974c9047d7 [2018-11-28 13:10:57,025 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:10:57,034 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:10:57,037 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:10:57,038 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:10:57,038 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:10:57,039 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 13:10:57,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/data/cea348fc3/99a70884e16a44ff87e772b7accad38a/FLAGf84f08d7c [2018-11-28 13:10:57,482 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:10:57,483 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 13:10:57,493 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/data/cea348fc3/99a70884e16a44ff87e772b7accad38a/FLAGf84f08d7c [2018-11-28 13:10:57,505 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/data/cea348fc3/99a70884e16a44ff87e772b7accad38a [2018-11-28 13:10:57,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:10:57,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:10:57,509 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:10:57,509 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:10:57,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:10:57,513 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57, skipping insertion in model container [2018-11-28 13:10:57,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:10:57,549 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:10:57,744 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:10:57,807 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:10:57,863 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:10:57,879 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:10:57,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57 WrapperNode [2018-11-28 13:10:57,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:10:57,880 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:10:57,880 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:10:57,880 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:10:57,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:10:57,915 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:10:57,915 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:10:57,915 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:10:57,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,931 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,939 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... [2018-11-28 13:10:57,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:10:57,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:10:57,942 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:10:57,942 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:10:57,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/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 [2018-11-28 13:10:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:10:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:10:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:10:57,979 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:10:58,381 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:10:58,381 INFO L280 CfgBuilder]: Removed 102 assue(true) statements. [2018-11-28 13:10:58,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:58 BoogieIcfgContainer [2018-11-28 13:10:58,382 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:10:58,382 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:10:58,382 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:10:58,384 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:10:58,385 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:10:58,385 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:10:57" (1/3) ... [2018-11-28 13:10:58,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d80f351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:10:58, skipping insertion in model container [2018-11-28 13:10:58,386 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:10:58,386 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:10:57" (2/3) ... [2018-11-28 13:10:58,386 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d80f351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:10:58, skipping insertion in model container [2018-11-28 13:10:58,386 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:10:58,387 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:58" (3/3) ... [2018-11-28 13:10:58,388 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 13:10:58,421 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:10:58,422 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:10:58,422 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:10:58,422 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:10:58,422 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:10:58,422 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:10:58,422 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:10:58,423 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:10:58,423 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:10:58,434 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-11-28 13:10:58,454 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 13:10:58,454 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:10:58,454 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:10:58,460 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:58,460 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:58,460 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:10:58,460 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-11-28 13:10:58,464 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-28 13:10:58,464 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:10:58,464 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:10:58,464 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:58,465 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:58,468 INFO L794 eck$LassoCheckResult]: Stem: 30#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #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.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 11#L-1true havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 46#L766true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 69#L774true main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 50#L901true assume 0 != main_~tmp~7; 5#L877true ~methAndRunningLastTime~0 := 0; 67#L785true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 70#L796-1true [2018-11-28 13:10:58,468 INFO L796 eck$LassoCheckResult]: Loop: 70#L796-1true assume !false; 53#L229true assume test_~splverifierCounter~0 < 4; 6#L230true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 37#L238true assume !(0 != test_~tmp~2); 34#L238-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 21#L248true assume !(0 != test_~tmp___0~0); 19#L248-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 68#L258true assume 0 != test_~tmp___2~0; 25#L264-1true assume !(0 != ~pumpRunning~0); 74#L57true assume !(0 != ~systemActive~0); 61#L64true havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 14#L329-1true __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 65#L796true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 70#L796-1true [2018-11-28 13:10:58,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:58,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 13:10:58,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:58,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:58,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,510 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:58,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:58,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:58,641 INFO L82 PathProgramCache]: Analyzing trace with hash 10972499, now seen corresponding path program 1 times [2018-11-28 13:10:58,641 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:58,641 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:58,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:58,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:58,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:58,653 INFO L82 PathProgramCache]: Analyzing trace with hash 844269005, now seen corresponding path program 1 times [2018-11-28 13:10:58,653 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:58,653 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:58,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,654 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:58,654 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:10:58,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:10:58,757 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:10:58,757 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 13:10:58,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:10:58,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:10:58,880 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 6 states. [2018-11-28 13:10:59,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:10:59,011 INFO L93 Difference]: Finished difference Result 190 states and 265 transitions. [2018-11-28 13:10:59,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:10:59,013 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 190 states and 265 transitions. [2018-11-28 13:10:59,018 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 119 [2018-11-28 13:10:59,023 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 190 states to 169 states and 244 transitions. [2018-11-28 13:10:59,023 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 169 [2018-11-28 13:10:59,024 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 169 [2018-11-28 13:10:59,025 INFO L73 IsDeterministic]: Start isDeterministic. Operand 169 states and 244 transitions. [2018-11-28 13:10:59,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:10:59,026 INFO L705 BuchiCegarLoop]: Abstraction has 169 states and 244 transitions. [2018-11-28 13:10:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states and 244 transitions. [2018-11-28 13:10:59,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 109. [2018-11-28 13:10:59,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-28 13:10:59,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 157 transitions. [2018-11-28 13:10:59,058 INFO L728 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2018-11-28 13:10:59,058 INFO L608 BuchiCegarLoop]: Abstraction has 109 states and 157 transitions. [2018-11-28 13:10:59,058 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:10:59,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 109 states and 157 transitions. [2018-11-28 13:10:59,059 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2018-11-28 13:10:59,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:10:59,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:10:59,060 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:59,060 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:10:59,060 INFO L794 eck$LassoCheckResult]: Stem: 323#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #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.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string24.base, #t~string24.offset := #Ultimate.alloc(13);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(77, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(101, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(116, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(104, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string28.base, #t~string28.offset, 1);call write~init~int(82, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(73, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(84, #t~string28.base, 3 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 4 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(75, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(21);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(30);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(9);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(21);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(30);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(9);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(25);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(30);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(9);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(25);~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4; 295#L-1 havoc main_#res;havoc main_#t~ret71, main_~retValue_acc~9, main_~tmp~7;havoc main_~retValue_acc~9;havoc main_~tmp~7; 296#L766 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 336#L774 main_#t~ret71 := valid_product_#res;main_~tmp~7 := main_#t~ret71;havoc main_#t~ret71; 339#L901 assume 0 != main_~tmp~7; 282#L877 ~methAndRunningLastTime~0 := 0; 283#L785 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 292#L796-1 [2018-11-28 13:10:59,061 INFO L796 eck$LassoCheckResult]: Loop: 292#L796-1 assume !false; 342#L229 assume test_~splverifierCounter~0 < 4; 284#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 285#L238 assume !(0 != test_~tmp~2); 325#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 312#L248 assume !(0 != test_~tmp___0~0); 308#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 309#L258 assume 0 != test_~tmp___2~0; 317#L264-1 assume !(0 != ~pumpRunning~0); 316#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 340#L89 assume !(0 != ~pumpRunning~0); 331#L64 havoc __utac_acc__Specification2_spec__2_#t~ret69, __utac_acc__Specification2_spec__2_#t~ret70, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 300#L329-1 __utac_acc__Specification2_spec__2_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret69;havoc __utac_acc__Specification2_spec__2_#t~ret69; 301#L796 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 292#L796-1 [2018-11-28 13:10:59,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:59,061 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 13:10:59,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:59,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:59,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:59,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:59,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:59,103 INFO L82 PathProgramCache]: Analyzing trace with hash 319619009, now seen corresponding path program 1 times [2018-11-28 13:10:59,103 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:59,103 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:59,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,104 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:10:59,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:59,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:10:59,113 INFO L82 PathProgramCache]: Analyzing trace with hash 382006919, now seen corresponding path program 1 times [2018-11-28 13:10:59,114 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:10:59,114 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:10:59,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:10:59,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:10:59,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:10:59,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:05,037 WARN L180 SmtUtils]: Spent 5.76 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 13:11:07,723 WARN L180 SmtUtils]: Spent 2.68 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 13:11:07,769 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:11:07 BoogieIcfgContainer [2018-11-28 13:11:07,769 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:11:07,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:11:07,770 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:11:07,770 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:11:07,770 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:10:58" (3/4) ... [2018-11-28 13:11:07,772 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 13:11:07,804 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b40434e-efd8-4ae0-a25f-3ff4eda948bd/bin-2019/uautomizer/witness.graphml [2018-11-28 13:11:07,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:11:07,806 INFO L168 Benchmark]: Toolchain (without parser) took 10298.43 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 274.2 MB). Free memory was 956.0 MB in the beginning and 985.3 MB in the end (delta: -29.3 MB). Peak memory consumption was 244.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,807 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:11:07,807 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,807 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,808 INFO L168 Benchmark]: Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:11:07,808 INFO L168 Benchmark]: RCFGBuilder took 439.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,808 INFO L168 Benchmark]: BuchiAutomizer took 9387.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 987.4 MB in the end (delta: 46.1 MB). Peak memory consumption was 379.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,808 INFO L168 Benchmark]: Witness Printer took 35.31 ms. Allocated memory is still 1.3 GB. Free memory was 987.4 MB in the beginning and 985.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:07,810 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 371.08 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -135.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.33 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 439.89 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9387.39 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.0 GB in the beginning and 987.4 MB in the end (delta: 46.1 MB). Peak memory consumption was 379.7 MB. Max. memory is 11.5 GB. * Witness Printer took 35.31 ms. Allocated memory is still 1.3 GB. Free memory was 987.4 MB in the beginning and 985.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 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 6 locations. The remainder module has 109 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 9.0s. 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, 60 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 109 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 96 SDtfs, 361 SDslu, 539 SDs, 0 SdLazy, 42 SolverSat, 9 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: 228]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=35, NULL=19, NULL=0, NULL=0, NULL=0, NULL=38, retValue_acc=0, NULL=12, NULL=28, methaneLevelCritical=0, NULL=36, tmp=0, NULL=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=23, cleanupTimeShifts=4, NULL=27, NULL=11, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=0, NULL=16, retValue_acc=0, NULL=0, NULL=0, tmp___0=0, NULL=0, NULL=17, NULL=0, NULL=0, NULL=0, NULL=37, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3c350467=0, NULL=33, head=0, pumpRunning=0, \result=0, NULL=22, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6566313c=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ecbbcf3=0, NULL=29, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33368a13=0, tmp___2=56, tmp___0=0, NULL=14, NULL=31, splverifierCounter=0, methAndRunningLastTime=0, \result=0, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@201dde13=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59066105=56, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f234e5b=0, NULL=0, NULL=0, NULL=34, NULL=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5efeaa14=0, NULL=18, NULL=26, NULL=15, NULL=20, NULL=24, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L286] int waterLevel = 1; [L287] int methaneLevelCritical = 0; [L544] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L779] int methAndRunningLastTime ; [L818] int cleanupTimeShifts = 4; [L892] int retValue_acc ; [L893] int tmp ; [L770] int retValue_acc ; [L773] retValue_acc = 1 [L774] return (retValue_acc); [L899] tmp = valid_product() [L901] COND TRUE \read(tmp) [L784] methAndRunningLastTime = 0 [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 Loop: [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND FALSE !(\read(tmp)) [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L789] int tmp ; [L790] int tmp___0 ; [L325] int retValue_acc ; [L328] retValue_acc = methaneLevelCritical [L329] return (retValue_acc); [L794] tmp = isMethaneLevelCritical() [L796] COND FALSE !(\read(tmp)) [L812] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...