./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/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 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed ........................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 15:43:45,790 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:43:45,791 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:43:45,798 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:43:45,798 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:43:45,799 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:43:45,799 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:43:45,800 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:43:45,801 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:43:45,802 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:43:45,803 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:43:45,803 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:43:45,804 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:43:45,805 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:43:45,806 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:43:45,806 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:43:45,807 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:43:45,808 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:43:45,809 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:43:45,811 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:43:45,811 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:43:45,812 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:43:45,814 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:43:45,814 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:43:45,814 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:43:45,815 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:43:45,816 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:43:45,816 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:43:45,817 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:43:45,818 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:43:45,818 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:43:45,818 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:43:45,819 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:43:45,819 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:43:45,819 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:43:45,819 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:43:45,820 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 15:43:45,831 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:43:45,831 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:43:45,832 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 15:43:45,832 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 15:43:45,832 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 15:43:45,832 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 15:43:45,832 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 15:43:45,832 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 15:43:45,833 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:43:45,833 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 15:43:45,834 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 15:43:45,834 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 15:43:45,834 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:43:45,835 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:43:45,835 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 15:43:45,835 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:43:45,835 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 15:43:45,836 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:43:45,836 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:43:45,836 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 15:43:45,836 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:43:45,836 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 15:43:45,836 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 15:43:45,837 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 15:43:45,837 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_fd9a7192-8c91-4101-a98c-b084d11eba24/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 -> 827eeb7ed0fbeaca90933bfcb4457632a3c9b0ed [2018-11-18 15:43:45,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:43:45,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:43:45,866 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:43:45,867 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:43:45,867 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:43:45,867 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:43:45,903 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/data/513e65872/088927cedc8a44e6a38e41d594b4c922/FLAG4ffdb93ae [2018-11-18 15:43:46,334 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:43:46,334 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/sv-benchmarks/c/product-lines/minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:43:46,341 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/data/513e65872/088927cedc8a44e6a38e41d594b4c922/FLAG4ffdb93ae [2018-11-18 15:43:46,349 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/data/513e65872/088927cedc8a44e6a38e41d594b4c922 [2018-11-18 15:43:46,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:43:46,352 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:43:46,353 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:43:46,353 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:43:46,356 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:43:46,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,358 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46, skipping insertion in model container [2018-11-18 15:43:46,358 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:43:46,396 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:43:46,572 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:43:46,581 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:43:46,677 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:43:46,694 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:43:46,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46 WrapperNode [2018-11-18 15:43:46,694 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:43:46,694 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:43:46,695 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:43:46,695 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:43:46,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,731 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:43:46,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:43:46,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:43:46,731 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:43:46,737 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,740 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,746 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... [2018-11-18 15:43:46,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:43:46,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:43:46,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:43:46,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:43:46,758 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/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 [2018-11-18 15:43:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:43:46,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:43:46,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:43:47,280 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:43:47,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:43:47 BoogieIcfgContainer [2018-11-18 15:43:47,281 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:43:47,281 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 15:43:47,281 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 15:43:47,284 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 15:43:47,284 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:43:47,284 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 03:43:46" (1/3) ... [2018-11-18 15:43:47,285 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2629e6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:43:47, skipping insertion in model container [2018-11-18 15:43:47,285 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:43:47,285 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:43:46" (2/3) ... [2018-11-18 15:43:47,286 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2629e6aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 03:43:47, skipping insertion in model container [2018-11-18 15:43:47,286 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 15:43:47,286 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:43:47" (3/3) ... [2018-11-18 15:43:47,287 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:43:47,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 15:43:47,320 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 15:43:47,320 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 15:43:47,320 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 15:43:47,320 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:43:47,320 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:43:47,321 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 15:43:47,321 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:43:47,321 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 15:43:47,332 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 15:43:47,351 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 15:43:47,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:43:47,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:43:47,358 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,358 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,358 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 15:43:47,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states. [2018-11-18 15:43:47,363 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 72 [2018-11-18 15:43:47,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:43:47,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:43:47,363 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,364 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,367 INFO L794 eck$LassoCheckResult]: Stem: 88#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 13#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 74#L914true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 28#L907true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 93#L922true main_#t~ret45 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 37#L601true assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 104#L572true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 79#L622true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 48#L835-3true [2018-11-18 15:43:47,367 INFO L796 eck$LassoCheckResult]: Loop: 48#L835-3true assume true; 42#L835-1true assume !false; 107#L836true assume test_~splverifierCounter~0 < 4; 77#L837true test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 81#L845true assume !(0 != test_~tmp~7); 84#L845-2true test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 9#L855true assume !(0 != test_~tmp___0~2); 12#L855-2true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 64#L865true assume 0 != test_~tmp___2~0; 33#L871-2true assume { :begin_inline_timeShift } true; 4#L665true assume !(0 != ~pumpRunning~0); 10#L665-2true assume !(0 != ~systemActive~0); 71#L672-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 91#L465true __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; 78#L633true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 80#L633-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 109#L682true assume { :end_inline_timeShift } true; 48#L835-3true [2018-11-18 15:43:47,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:47,372 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2018-11-18 15:43:47,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:47,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:47,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:43:47,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:47,533 INFO L82 PathProgramCache]: Analyzing trace with hash 2106204507, now seen corresponding path program 1 times [2018-11-18 15:43:47,534 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:47,534 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:47,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:43:47,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:47,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1370262930, now seen corresponding path program 1 times [2018-11-18 15:43:47,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:47,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:47,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:43:47,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:43:47,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 15:43:47,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:43:47,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 15:43:47,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 15:43:47,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 15:43:47,750 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 6 states. [2018-11-18 15:43:47,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:43:47,904 INFO L93 Difference]: Finished difference Result 279 states and 360 transitions. [2018-11-18 15:43:47,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 15:43:47,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 279 states and 360 transitions. [2018-11-18 15:43:47,911 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 179 [2018-11-18 15:43:47,918 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 279 states to 249 states and 330 transitions. [2018-11-18 15:43:47,919 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 249 [2018-11-18 15:43:47,920 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 249 [2018-11-18 15:43:47,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 249 states and 330 transitions. [2018-11-18 15:43:47,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 15:43:47,922 INFO L705 BuchiCegarLoop]: Abstraction has 249 states and 330 transitions. [2018-11-18 15:43:47,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states and 330 transitions. [2018-11-18 15:43:47,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 156. [2018-11-18 15:43:47,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-18 15:43:47,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 207 transitions. [2018-11-18 15:43:47,949 INFO L728 BuchiCegarLoop]: Abstraction has 156 states and 207 transitions. [2018-11-18 15:43:47,949 INFO L608 BuchiCegarLoop]: Abstraction has 156 states and 207 transitions. [2018-11-18 15:43:47,949 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 15:43:47,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 156 states and 207 transitions. [2018-11-18 15:43:47,951 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 112 [2018-11-18 15:43:47,951 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 15:43:47,951 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 15:43:47,952 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,952 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:43:47,952 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string38.base,#t~string38.offset := 44];#memory_int := #memory_int[#t~string38.base,1 + #t~string38.offset := 77];#memory_int := #memory_int[#t~string38.base,2 + #t~string38.offset := 101];#memory_int := #memory_int[#t~string38.base,3 + #t~string38.offset := 116];#memory_int := #memory_int[#t~string38.base,4 + #t~string38.offset := 104];#memory_int := #memory_int[#t~string38.base,5 + #t~string38.offset := 58];#memory_int := #memory_int[#t~string38.base,6 + #t~string38.offset := 0];call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string40.base,#t~string40.offset := 67];#memory_int := #memory_int[#t~string40.base,1 + #t~string40.offset := 82];#memory_int := #memory_int[#t~string40.base,2 + #t~string40.offset := 73];#memory_int := #memory_int[#t~string40.base,3 + #t~string40.offset := 84];#memory_int := #memory_int[#t~string40.base,4 + #t~string40.offset := 0];call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string42.base,#t~string42.offset := 79];#memory_int := #memory_int[#t~string42.base,1 + #t~string42.offset := 75];#memory_int := #memory_int[#t~string42.base,2 + #t~string42.offset := 0];call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string44.base,#t~string44.offset := 41];#memory_int := #memory_int[#t~string44.base,1 + #t~string44.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(13);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 79];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 110];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 79];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,2 + #t~string55.offset := 102];#memory_int := #memory_int[#t~string55.base,3 + #t~string55.offset := 0];call #t~string57.base, #t~string57.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string57.base,#t~string57.offset := 44];#memory_int := #memory_int[#t~string57.base,1 + #t~string57.offset := 80];#memory_int := #memory_int[#t~string57.base,2 + #t~string57.offset := 117];#memory_int := #memory_int[#t~string57.base,3 + #t~string57.offset := 109];#memory_int := #memory_int[#t~string57.base,4 + #t~string57.offset := 112];#memory_int := #memory_int[#t~string57.base,5 + #t~string57.offset := 58];#memory_int := #memory_int[#t~string57.base,6 + #t~string57.offset := 0];call #t~string59.base, #t~string59.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string59.base,#t~string59.offset := 79];#memory_int := #memory_int[#t~string59.base,1 + #t~string59.offset := 110];#memory_int := #memory_int[#t~string59.base,2 + #t~string59.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string61.base,#t~string61.offset := 79];#memory_int := #memory_int[#t~string61.base,1 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,2 + #t~string61.offset := 102];#memory_int := #memory_int[#t~string61.base,3 + #t~string61.offset := 0];call #t~string63.base, #t~string63.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 41];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 32];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 10];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 426#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret45, main_~retValue_acc~6, main_~tmp~3;havoc main_~retValue_acc~6;havoc main_~tmp~3;assume { :begin_inline_select_helpers } true; 427#L914 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 449#L907 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 450#L922 main_#t~ret45 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~3 := main_#t~ret45;havoc main_#t~ret45; 461#L601 assume 0 != main_~tmp~3;assume { :begin_inline_setup } true; 462#L572 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 499#L622 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 472#L835-3 [2018-11-18 15:43:47,953 INFO L796 eck$LassoCheckResult]: Loop: 472#L835-3 assume true; 467#L835-1 assume !false; 468#L836 assume test_~splverifierCounter~0 < 4; 496#L837 test_~tmp~7 := test_#t~nondet67;havoc test_#t~nondet67; 497#L845 assume !(0 != test_~tmp~7); 502#L845-2 test_~tmp___0~2 := test_#t~nondet68;havoc test_#t~nondet68; 418#L855 assume !(0 != test_~tmp___0~2); 420#L855-2 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 425#L865 assume 0 != test_~tmp___2~0; 454#L871-2 assume { :begin_inline_timeShift } true; 411#L665 assume !(0 != ~pumpRunning~0); 412#L665-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret48, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 421#L697 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 478#L689-1 assume { :end_inline_processEnvironment__wrappee__base } true; 433#L697-1 assume { :end_inline_processEnvironment } true; 482#L672-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret46, __utac_acc__Specification2_spec__2_#t~ret47, __utac_acc__Specification2_spec__2_~tmp~4, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~4;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 492#L465 __utac_acc__Specification2_spec__2_#t~ret46 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~4 := __utac_acc__Specification2_spec__2_#t~ret46;havoc __utac_acc__Specification2_spec__2_#t~ret46; 498#L633 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~4);~methAndRunningLastTime~0 := 0; 451#L633-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 500#L682 assume { :end_inline_timeShift } true; 472#L835-3 [2018-11-18 15:43:47,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:47,953 INFO L82 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2018-11-18 15:43:47,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:47,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:47,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:43:47,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:47,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:47,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1517897382, now seen corresponding path program 1 times [2018-11-18 15:43:47,998 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:47,998 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:47,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:47,999 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 15:43:47,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:48,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:48,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:43:48,007 INFO L82 PathProgramCache]: Analyzing trace with hash -1404544241, now seen corresponding path program 1 times [2018-11-18 15:43:48,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 15:43:48,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 15:43:48,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:48,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:43:48,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:43:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:43:48,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 15:44:20,951 WARN L180 SmtUtils]: Spent 32.84 s on a formula simplification. DAG size of input: 399 DAG size of output: 397 [2018-11-18 15:44:43,249 WARN L180 SmtUtils]: Spent 22.29 s on a formula simplification that was a NOOP. DAG size: 395 [2018-11-18 15:44:43,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 03:44:43 BoogieIcfgContainer [2018-11-18 15:44:43,318 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 15:44:43,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:44:43,319 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:44:43,319 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:44:43,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:43:47" (3/4) ... [2018-11-18 15:44:43,322 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 15:44:43,361 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fd9a7192-8c91-4101-a98c-b084d11eba24/bin-2019/uautomizer/witness.graphml [2018-11-18 15:44:43,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:44:43,362 INFO L168 Benchmark]: Toolchain (without parser) took 57010.06 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 273.7 MB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -308.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:44:43,362 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:44:43,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 15:44:43,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.57 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:44:43,363 INFO L168 Benchmark]: Boogie Preprocessor took 25.40 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. [2018-11-18 15:44:43,363 INFO L168 Benchmark]: RCFGBuilder took 524.18 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: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:44:43,363 INFO L168 Benchmark]: BuchiAutomizer took 56036.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.7 MB). Peak memory consumption was 321.4 MB. Max. memory is 11.5 GB. [2018-11-18 15:44:43,364 INFO L168 Benchmark]: Witness Printer took 42.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:44:43,367 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 341.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.57 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.40 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. * RCFGBuilder took 524.18 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: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 56036.87 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 112.7 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -186.7 MB). Peak memory consumption was 321.4 MB. Max. memory is 11.5 GB. * Witness Printer took 42.54 ms. Allocated memory is still 1.3 GB. Free memory is still 1.3 GB. There was no memory consumed. 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 156 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 55.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 55.7s. Construction of modules took 0.1s. 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, 93 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 156 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 136 SDtfs, 512 SDslu, 727 SDs, 0 SdLazy, 42 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s 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: 835]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4acbe50=0, "Off"=34, ") "=0, "CRIT"=0, ")"=0, retValue_acc=0, "Off"=0, ") "=29, ",Meth:"=8, "OK"=0, methaneLevelCritical=0, retValue_acc=1, "\n"=0, tmp=0, tmp___1=0, "__utac__get_this_argtype"=17, "__utac__get_this_arg"=20, "__utac__get_this_arg"=24, "libacc.c"=18, "Env(Water:%i"=12, cleanupTimeShifts=4, "libacc.c"=15, "OK"=38, "On"=35, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@52b7dfe4=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_argtype"=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1cd9b5b3=0, systemActive=1, waterLevel=1, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, ",Meth:"=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@507859ca=0, ")"=37, "Off"=0, ",Pump:"=0, "On"=0, \result=1, "i > 0 && i <= this->argsCount"=27, head=0, pumpRunning=0, ",Pump:"=33, \result=0, "i > 0 && i <= this->argsCount"=23, tmp=1, "libacc.c"=0, "Env(Water:%i"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b59e6a3=160, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31a3ea19=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@37d8f5eb=0, "Pump(System:"=0, "i > 0 && i <= this->argsCount"=0, tmp___0=0, "Off"=28, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@66177780=0, "libacc.c"=22, tmp___2=160, tmp___0=0, "i > 0 && i <= this->argsCount"=16, splverifierCounter=0, "On"=0, methAndRunningLastTime=0, \result=0, "On"=31, head=0, "libacc.c"=0, tmp=0, "libacc.c"=26, "i > 0 && i <= this->argsCount"=19, "__utac__get_this_arg"=0, "__utac__get_this_argtype"=14, "libacc.c"=0, "libacc.c"=0, "CRIT"=11, tmp=0, "\n"=39, "Pump(System:"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 835]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L346] FCALL "i > 0 && i <= this->argsCount" [L346] FCALL "libacc.c" [L347] FCALL "__utac__get_this_arg" [L353] FCALL "i > 0 && i <= this->argsCount" [L353] FCALL "libacc.c" [L354] FCALL "__utac__get_this_arg" [L392] FCALL "i > 0 && i <= this->argsCount" [L392] FCALL "libacc.c" [L393] FCALL "__utac__get_this_argtype" [L399] FCALL "i > 0 && i <= this->argsCount" [L399] FCALL "libacc.c" [L400] FCALL "__utac__get_this_argtype" [L474] FCALL "Env(Water:%i" [L475] FCALL ",Meth:" [L479] FCALL "CRIT" [L483] FCALL "OK" [L487] FCALL ")" [L759] FCALL "Pump(System:" [L763] FCALL "On" [L767] FCALL "Off" [L771] FCALL ",Pump:" [L775] FCALL "On" [L779] FCALL "Off" [L783] FCALL ") " [L785] FCALL "\n" [L422] int waterLevel = 1; [L423] int methaneLevelCritical = 0; [L511] int cleanupTimeShifts = 4; [L616] int methAndRunningLastTime ; [L658] int pumpRunning = 0; [L659] int systemActive = 1; [L218] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L592] int retValue_acc ; [L593] int tmp ; [L597] FCALL select_helpers() [L598] FCALL select_features() [L599] CALL, EXPR valid_product() [L918] int retValue_acc ; [L921] retValue_acc = 1 [L922] RET return (retValue_acc); [L599] EXPR valid_product() [L599] tmp = valid_product() [L601] COND TRUE \read(tmp) [L603] FCALL setup() [L604] CALL runTest() [L582] CALL __utac_acc__Specification2_spec__1() [L621] RET methAndRunningLastTime = 0 [L582] __utac_acc__Specification2_spec__1() [L583] CALL test() [L826] int splverifierCounter ; [L827] int tmp ; [L828] int tmp___0 ; [L829] int tmp___1 ; [L830] int tmp___2 ; [L833] splverifierCounter = 0 Loop: [L835] COND TRUE 1 [L837] COND TRUE splverifierCounter < 4 [L843] tmp = __VERIFIER_nondet_int() [L845] COND FALSE !(\read(tmp)) [L853] tmp___0 = __VERIFIER_nondet_int() [L855] COND FALSE !(\read(tmp___0)) [L863] tmp___2 = __VERIFIER_nondet_int() [L865] COND TRUE \read(tmp___2) [L880] CALL timeShift() [L665] COND FALSE !(\read(pumpRunning)) [L672] COND TRUE \read(systemActive) [L674] CALL processEnvironment() [L694] int tmp ; [L697] COND FALSE !(\read(pumpRunning)) [L712] RET, FCALL processEnvironment__wrappee__base() [L674] processEnvironment() [L680] CALL __utac_acc__Specification2_spec__2() [L626] int tmp ; [L627] int tmp___0 ; [L631] CALL, EXPR isMethaneLevelCritical() [L461] int retValue_acc ; [L464] retValue_acc = methaneLevelCritical [L465] RET return (retValue_acc); [L631] EXPR isMethaneLevelCritical() [L631] tmp = isMethaneLevelCritical() [L633] COND FALSE !(\read(tmp)) [L649] RET methAndRunningLastTime = 0 [L680] RET __utac_acc__Specification2_spec__2() [L880] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...