./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/config/AutomizerReach.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_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --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 Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:56:16,056 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:56:16,057 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:56:16,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:56:16,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:56:16,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:56:16,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:56:16,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:56:16,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:56:16,069 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:56:16,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:56:16,070 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:56:16,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:56:16,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:56:16,072 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:56:16,073 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:56:16,074 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:56:16,075 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:56:16,076 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:56:16,077 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:56:16,078 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:56:16,079 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:56:16,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:56:16,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:56:16,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:56:16,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:56:16,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:56:16,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:56:16,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:56:16,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:56:16,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:56:16,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:56:16,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:56:16,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:56:16,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:56:16,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:56:16,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:56:16,096 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:56:16,097 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:56:16,097 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:56:16,097 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:56:16,098 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:56:16,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:56:16,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:56:16,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:56:16,099 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:56:16,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:56:16,100 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_98af570a-d8a0-48a6-8320-4487c58c320d/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(G ! call(__VERIFIER_error())) ) 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 12:56:16,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:56:16,136 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:56:16,138 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:56:16,139 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:56:16,139 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:56:16,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 12:56:16,180 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/data/d6d536af7/f15a0a7d021e4fea829bcf3601ed7fe4/FLAGa76c1ef88 [2018-11-28 12:56:16,637 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:56:16,637 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/sv-benchmarks/c/product-lines/minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 12:56:16,645 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/data/d6d536af7/f15a0a7d021e4fea829bcf3601ed7fe4/FLAGa76c1ef88 [2018-11-28 12:56:16,654 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/data/d6d536af7/f15a0a7d021e4fea829bcf3601ed7fe4 [2018-11-28 12:56:16,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:56:16,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:56:16,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:56:16,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:56:16,660 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:56:16,661 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:16" (1/1) ... [2018-11-28 12:56:16,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7be3033b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:16, skipping insertion in model container [2018-11-28 12:56:16,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:56:16" (1/1) ... [2018-11-28 12:56:16,667 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:56:16,697 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:56:16,906 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:56:16,960 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:56:17,012 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:56:17,033 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:56:17,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17 WrapperNode [2018-11-28 12:56:17,033 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:56:17,034 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:56:17,034 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:56:17,034 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:56:17,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:56:17,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:56:17,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:56:17,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:56:17,064 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,067 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... [2018-11-28 12:56:17,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:56:17,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:56:17,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:56:17,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:56:17,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:56:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:56:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:56:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:56:17,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:56:17,135 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:56:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:56:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:56:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:56:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:56:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:56:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:56:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:56:17,136 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:56:17,136 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:56:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:56:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:56:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:56:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:56:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:56:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:56:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:56:17,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:56:17,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:56:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:56:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:56:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:56:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:56:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:56:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:56:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:56:17,138 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:56:17,138 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:56:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:56:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:56:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:56:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:56:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:56:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:56:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:56:17,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:56:17,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:56:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:56:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:56:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:56:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:56:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:56:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:56:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:56:17,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:56:17,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:56:17,552 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:56:17,552 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:56:17,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:56:17 BoogieIcfgContainer [2018-11-28 12:56:17,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:56:17,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:56:17,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:56:17,556 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:56:17,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:56:16" (1/3) ... [2018-11-28 12:56:17,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:56:17, skipping insertion in model container [2018-11-28 12:56:17,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:56:17" (2/3) ... [2018-11-28 12:56:17,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@190d8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:56:17, skipping insertion in model container [2018-11-28 12:56:17,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:56:17" (3/3) ... [2018-11-28 12:56:17,559 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15_true-unreach-call_false-termination.cil.c [2018-11-28 12:56:17,566 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:56:17,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:56:17,583 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:56:17,605 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:56:17,606 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:56:17,606 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:56:17,606 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:56:17,606 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:56:17,606 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:56:17,606 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:56:17,606 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:56:17,606 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:56:17,625 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 12:56:17,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:56:17,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:56:17,633 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:56:17,636 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:56:17,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:56:17,641 INFO L82 PathProgramCache]: Analyzing trace with hash 352038227, now seen corresponding path program 1 times [2018-11-28 12:56:17,643 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:56:17,643 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:56:17,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:17,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:56:17,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:56:17,851 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 12:56:17,853 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:56:17,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:56:17,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:56:17,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:56:17,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:56:17,871 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 12:56:17,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:56:17,893 INFO L93 Difference]: Finished difference Result 216 states and 273 transitions. [2018-11-28 12:56:17,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:56:17,894 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 12:56:17,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:56:17,902 INFO L225 Difference]: With dead ends: 216 [2018-11-28 12:56:17,902 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 12:56:17,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:56:17,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 12:56:17,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 12:56:17,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 12:56:17,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 130 transitions. [2018-11-28 12:56:17,936 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 130 transitions. Word has length 51 [2018-11-28 12:56:17,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:56:17,936 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 130 transitions. [2018-11-28 12:56:17,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:56:17,937 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 130 transitions. [2018-11-28 12:56:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:56:17,940 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:56:17,940 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:56:17,940 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:56:17,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:56:17,941 INFO L82 PathProgramCache]: Analyzing trace with hash 1062580169, now seen corresponding path program 1 times [2018-11-28 12:56:17,941 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:56:17,941 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:56:17,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:17,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:56:17,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:56:18,043 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 12:56:18,043 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:56:18,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:56:18,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:56:18,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:56:18,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:56:18,045 INFO L87 Difference]: Start difference. First operand 110 states and 130 transitions. Second operand 3 states. [2018-11-28 12:56:18,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:56:18,062 INFO L93 Difference]: Finished difference Result 159 states and 187 transitions. [2018-11-28 12:56:18,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:56:18,063 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 12:56:18,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:56:18,064 INFO L225 Difference]: With dead ends: 159 [2018-11-28 12:56:18,064 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 12:56:18,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:56:18,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 12:56:18,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 12:56:18,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 12:56:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 118 transitions. [2018-11-28 12:56:18,076 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 118 transitions. Word has length 52 [2018-11-28 12:56:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:56:18,076 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 118 transitions. [2018-11-28 12:56:18,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:56:18,077 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 118 transitions. [2018-11-28 12:56:18,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 12:56:18,078 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:56:18,078 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:56:18,078 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:56:18,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:56:18,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1680308541, now seen corresponding path program 1 times [2018-11-28 12:56:18,080 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:56:18,081 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:56:18,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:56:18,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:56:18,188 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 12:56:18,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:56:18,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:56:18,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:56:18,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:56:18,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:56:18,189 INFO L87 Difference]: Start difference. First operand 101 states and 118 transitions. Second operand 7 states. [2018-11-28 12:56:18,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:56:18,491 INFO L93 Difference]: Finished difference Result 298 states and 366 transitions. [2018-11-28 12:56:18,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:56:18,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 12:56:18,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:56:18,494 INFO L225 Difference]: With dead ends: 298 [2018-11-28 12:56:18,494 INFO L226 Difference]: Without dead ends: 225 [2018-11-28 12:56:18,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:56:18,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-28 12:56:18,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 217. [2018-11-28 12:56:18,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 12:56:18,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 266 transitions. [2018-11-28 12:56:18,521 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 266 transitions. Word has length 56 [2018-11-28 12:56:18,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:56:18,522 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 266 transitions. [2018-11-28 12:56:18,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:56:18,522 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 266 transitions. [2018-11-28 12:56:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 12:56:18,526 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:56:18,526 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:56:18,527 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:56:18,527 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:56:18,527 INFO L82 PathProgramCache]: Analyzing trace with hash -2114997235, now seen corresponding path program 1 times [2018-11-28 12:56:18,527 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:56:18,528 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:56:18,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:56:18,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:56:18,632 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 12:56:18,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:56:18,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:56:18,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:56:18,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:56:18,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:56:18,634 INFO L87 Difference]: Start difference. First operand 217 states and 266 transitions. Second operand 6 states. [2018-11-28 12:56:18,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:56:18,757 INFO L93 Difference]: Finished difference Result 577 states and 732 transitions. [2018-11-28 12:56:18,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:56:18,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 12:56:18,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:56:18,766 INFO L225 Difference]: With dead ends: 577 [2018-11-28 12:56:18,767 INFO L226 Difference]: Without dead ends: 388 [2018-11-28 12:56:18,768 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:56:18,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-28 12:56:18,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 382. [2018-11-28 12:56:18,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-28 12:56:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 472 transitions. [2018-11-28 12:56:18,807 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 472 transitions. Word has length 62 [2018-11-28 12:56:18,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:56:18,807 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 472 transitions. [2018-11-28 12:56:18,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:56:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 472 transitions. [2018-11-28 12:56:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 12:56:18,810 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:56:18,810 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:56:18,810 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:56:18,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:56:18,811 INFO L82 PathProgramCache]: Analyzing trace with hash -987336887, now seen corresponding path program 1 times [2018-11-28 12:56:18,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:56:18,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:56:18,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:56:18,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:56:18,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:56:18,915 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 12:56:18,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:56:18,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:56:18,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:56:18,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:56:18,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:56:18,916 INFO L87 Difference]: Start difference. First operand 382 states and 472 transitions. Second operand 7 states. [2018-11-28 12:56:19,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:56:19,108 INFO L93 Difference]: Finished difference Result 648 states and 825 transitions. [2018-11-28 12:56:19,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:56:19,109 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 12:56:19,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:56:19,109 INFO L225 Difference]: With dead ends: 648 [2018-11-28 12:56:19,109 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:56:19,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 12:56:19,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:56:19,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:56:19,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:56:19,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:56:19,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2018-11-28 12:56:19,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:56:19,113 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:56:19,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:56:19,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:56:19,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:56:19,117 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:56:19,751 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 135 142) the Hoare annotation is: true [2018-11-28 12:56:19,751 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 135 142) no Hoare annotation was computed. [2018-11-28 12:56:19,751 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 135 142) no Hoare annotation was computed. [2018-11-28 12:56:19,751 INFO L444 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 12:56:19,751 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 101) no Hoare annotation was computed. [2018-11-28 12:56:19,752 INFO L444 ceAbstractionStarter]: At program point L91(line 91) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 12:56:19,752 INFO L448 ceAbstractionStarter]: For program point L91-1(line 91) no Hoare annotation was computed. [2018-11-28 12:56:19,752 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 106) no Hoare annotation was computed. [2018-11-28 12:56:19,752 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 85 109) no Hoare annotation was computed. [2018-11-28 12:56:19,752 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 85 109) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:56:19,752 INFO L444 ceAbstractionStarter]: At program point L104(line 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:56:19,752 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 85 109) no Hoare annotation was computed. [2018-11-28 12:56:19,752 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 12:56:19,752 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 762 768) the Hoare annotation is: true [2018-11-28 12:56:19,752 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 762 768) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 769 777) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 769 777) the Hoare annotation is: true [2018-11-28 12:56:19,753 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 769 777) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 218 283) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,753 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,753 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 254) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 218 283) no Hoare annotation was computed. [2018-11-28 12:56:19,753 INFO L444 ceAbstractionStarter]: At program point L273(lines 228 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,753 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 244) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L238-1(lines 238 244) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L230(lines 230 234) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L444 ceAbstractionStarter]: At program point L276(lines 227 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,754 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 270) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L444 ceAbstractionStarter]: At program point L264-1(lines 258 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L229(lines 228 275) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 218 283) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 271) no Hoare annotation was computed. [2018-11-28 12:56:19,754 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,755 INFO L444 ceAbstractionStarter]: At program point L897-1(line 897) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,755 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 891 913) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,755 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 891 913) no Hoare annotation was computed. [2018-11-28 12:56:19,755 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 891 913) no Hoare annotation was computed. [2018-11-28 12:56:19,755 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,755 INFO L444 ceAbstractionStarter]: At program point L903-1(line 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,755 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 908) no Hoare annotation was computed. [2018-11-28 12:56:19,755 INFO L448 ceAbstractionStarter]: For program point L901-1(lines 901 908) no Hoare annotation was computed. [2018-11-28 12:56:19,756 INFO L448 ceAbstractionStarter]: For program point L899(line 899) no Hoare annotation was computed. [2018-11-28 12:56:19,756 INFO L444 ceAbstractionStarter]: At program point L898(line 898) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,756 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-28 12:56:19,756 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 77 83) the Hoare annotation is: true [2018-11-28 12:56:19,756 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 199 213) no Hoare annotation was computed. [2018-11-28 12:56:19,756 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 12:56:19,756 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-28 12:56:19,756 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 199 213) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 199 213) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 154 162) the Hoare annotation is: true [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 807) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 810) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 813) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 788 816) no Hoare annotation was computed. [2018-11-28 12:56:19,757 INFO L451 ceAbstractionStarter]: At program point L794(line 794) the Hoare annotation is: true [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point L794-1(line 794) no Hoare annotation was computed. [2018-11-28 12:56:19,758 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 788 816) the Hoare annotation is: true [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 788 816) no Hoare annotation was computed. [2018-11-28 12:56:19,758 INFO L444 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 12:56:19,758 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 780 787) the Hoare annotation is: true [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 780 787) no Hoare annotation was computed. [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:56:19,758 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 12:56:19,758 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 312 323) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 312 323) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 312 323) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L451 ceAbstractionStarter]: At program point L833-1(lines 833 837) the Hoare annotation is: true [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 819 848) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point L830(line 830) no Hoare annotation was computed. [2018-11-28 12:56:19,759 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 819 848) the Hoare annotation is: true [2018-11-28 12:56:19,759 INFO L451 ceAbstractionStarter]: At program point L829-2(lines 829 843) the Hoare annotation is: true [2018-11-28 12:56:19,759 INFO L451 ceAbstractionStarter]: At program point L825(line 825) the Hoare annotation is: true [2018-11-28 12:56:19,759 INFO L448 ceAbstractionStarter]: For program point L825-1(line 825) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L451 ceAbstractionStarter]: At program point L844(lines 819 848) the Hoare annotation is: true [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 324 332) the Hoare annotation is: true [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 324 332) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 324 332) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L444 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:56:19,760 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-28 12:56:19,760 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 12:56:19,761 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 288 299) the Hoare annotation is: true [2018-11-28 12:56:19,761 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 288 299) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L448 ceAbstractionStarter]: For program point L292-1(lines 288 299) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 755 761) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 755 761) the Hoare annotation is: true [2018-11-28 12:56:19,761 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 873 879) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 873 879) the Hoare annotation is: true [2018-11-28 12:56:19,761 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:56:19,761 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 12:56:19,761 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point L304-1(lines 300 311) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 300 311) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 300 311) the Hoare annotation is: true [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 366 373) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 370) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 366 373) the Hoare annotation is: true [2018-11-28 12:56:19,762 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 366 373) no Hoare annotation was computed. [2018-11-28 12:56:19,762 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 880 890) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,763 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 880 890) no Hoare annotation was computed. [2018-11-28 12:56:19,763 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 880 890) no Hoare annotation was computed. [2018-11-28 12:56:19,763 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:56:19,769 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 143 153) the Hoare annotation is: true [2018-11-28 12:56:19,769 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 143 153) no Hoare annotation was computed. [2018-11-28 12:56:19,769 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 143 153) no Hoare annotation was computed. [2018-11-28 12:56:19,769 INFO L451 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: true [2018-11-28 12:56:19,769 INFO L448 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-11-28 12:56:19,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:56:19 BoogieIcfgContainer [2018-11-28 12:56:19,781 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:56:19,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:56:19,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:56:19,782 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:56:19,782 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:56:17" (3/4) ... [2018-11-28 12:56:19,787 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:56:19,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:56:19,793 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:56:19,794 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:56:19,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 12:56:19,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:56:19,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:56:19,802 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:56:19,802 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:56:19,802 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:56:19,824 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:56:19,824 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:56:19,856 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_98af570a-d8a0-48a6-8320-4487c58c320d/bin-2019/uautomizer/witness.graphml [2018-11-28 12:56:19,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:56:19,857 INFO L168 Benchmark]: Toolchain (without parser) took 3200.29 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.0 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 71.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:56:19,858 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:56:19,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:56:19,859 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.68 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. [2018-11-28 12:56:19,859 INFO L168 Benchmark]: Boogie Preprocessor took 25.00 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. [2018-11-28 12:56:19,859 INFO L168 Benchmark]: RCFGBuilder took 470.12 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:56:19,859 INFO L168 Benchmark]: TraceAbstraction took 2227.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.7 MB). Peak memory consumption was 283.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:56:19,860 INFO L168 Benchmark]: Witness Printer took 74.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:56:19,861 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.1 MB). Free memory was 947.3 MB in the beginning and 1.1 GB in the end (delta: -191.1 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 25.00 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 470.12 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: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2227.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 82.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -29.7 MB). Peak memory consumption was 283.5 MB. Max. memory is 11.5 GB. * Witness Printer took 74.69 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 370]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 228]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 613 SDtfs, 348 SDslu, 1174 SDs, 0 SdLazy, 408 SolverSat, 68 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=382occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 438 PreInvPairs, 483 NumberOfFragments, 502 HoareAnnotationTreeSize, 438 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 53 FomulaSimplificationsInter, 1832 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 29734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...