./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/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 eee003d188141d192a4a75bb282a26c7c76ed342 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:20:57,828 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:20:57,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:20:57,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:20:57,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:20:57,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:20:57,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:20:57,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:20:57,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:20:57,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:20:57,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:20:57,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:20:57,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:20:57,841 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:20:57,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:20:57,842 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:20:57,842 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:20:57,843 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:20:57,845 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:20:57,845 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:20:57,846 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:20:57,846 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:20:57,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:20:57,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:20:57,848 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:20:57,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:20:57,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:20:57,849 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:20:57,849 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:20:57,850 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:20:57,850 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:20:57,850 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:20:57,850 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:20:57,850 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:20:57,851 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:20:57,851 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:20:57,851 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-09 14:20:57,859 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:20:57,860 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:20:57,860 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:20:57,860 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:20:57,861 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 14:20:57,861 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 14:20:57,861 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 14:20:57,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:20:57,861 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:20:57,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:20:57,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:20:57,863 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:20:57,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:20:57,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:20:57,864 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_20535df2-3e2b-4f61-88ee-883e511e215f/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 -> eee003d188141d192a4a75bb282a26c7c76ed342 [2018-12-09 14:20:57,887 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:20:57,894 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:20:57,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:20:57,897 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:20:57,897 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:20:57,897 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-12-09 14:20:57,933 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/data/179e1f937/e77bd9e255ea4c36a45c744340c0fa2a/FLAGa26d2fe65 [2018-12-09 14:20:58,352 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:20:58,353 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/sv-benchmarks/c/product-lines/minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-12-09 14:20:58,359 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/data/179e1f937/e77bd9e255ea4c36a45c744340c0fa2a/FLAGa26d2fe65 [2018-12-09 14:20:58,765 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/data/179e1f937/e77bd9e255ea4c36a45c744340c0fa2a [2018-12-09 14:20:58,767 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:20:58,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:20:58,768 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:20:58,768 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:20:58,770 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:20:58,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:20:58" (1/1) ... [2018-12-09 14:20:58,772 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e45f543 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:58, skipping insertion in model container [2018-12-09 14:20:58,772 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:20:58" (1/1) ... [2018-12-09 14:20:58,776 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:20:58,796 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:20:58,939 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:20:58,986 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:20:59,027 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:20:59,040 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:20:59,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59 WrapperNode [2018-12-09 14:20:59,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:20:59,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:20:59,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:20:59,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:20:59,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:20:59,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:20:59,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:20:59,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:20:59,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,074 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,078 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... [2018-12-09 14:20:59,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:20:59,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:20:59,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:20:59,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:20:59,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/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 [2018-12-09 14:20:59,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 14:20:59,114 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 14:20:59,114 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 14:20:59,115 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 14:20:59,115 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:20:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:20:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 14:20:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 14:20:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 14:20:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 14:20:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:20:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:20:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 14:20:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 14:20:59,414 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:20:59,414 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 14:20:59,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:20:59 BoogieIcfgContainer [2018-12-09 14:20:59,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:20:59,416 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:20:59,416 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:20:59,418 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:20:59,418 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:20:58" (1/3) ... [2018-12-09 14:20:59,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b933a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:20:59, skipping insertion in model container [2018-12-09 14:20:59,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:20:59" (2/3) ... [2018-12-09 14:20:59,419 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64b933a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:20:59, skipping insertion in model container [2018-12-09 14:20:59,419 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:20:59" (3/3) ... [2018-12-09 14:20:59,421 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product07_true-unreach-call_false-termination.cil.c [2018-12-09 14:20:59,429 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:20:59,435 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:20:59,447 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:20:59,467 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 14:20:59,467 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:20:59,467 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:20:59,467 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:20:59,467 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:20:59,468 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:20:59,468 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:20:59,468 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:20:59,468 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:20:59,479 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2018-12-09 14:20:59,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 14:20:59,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:20:59,484 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] [2018-12-09 14:20:59,486 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:20:59,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:20:59,489 INFO L82 PathProgramCache]: Analyzing trace with hash 103363992, now seen corresponding path program 1 times [2018-12-09 14:20:59,490 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 14:20:59,491 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 14:20:59,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:20:59,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:20:59,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:20:59,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:20:59,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 14:20:59,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 14:20:59,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 14:20:59,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:20:59,639 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2018-12-09 14:20:59,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:20:59,659 INFO L93 Difference]: Finished difference Result 210 states and 265 transitions. [2018-12-09 14:20:59,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 14:20:59,660 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 14:20:59,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:20:59,667 INFO L225 Difference]: With dead ends: 210 [2018-12-09 14:20:59,667 INFO L226 Difference]: Without dead ends: 105 [2018-12-09 14:20:59,669 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 [2018-12-09 14:20:59,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-12-09 14:20:59,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-12-09 14:20:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-12-09 14:20:59,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 124 transitions. [2018-12-09 14:20:59,696 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 124 transitions. Word has length 46 [2018-12-09 14:20:59,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:20:59,696 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 124 transitions. [2018-12-09 14:20:59,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 14:20:59,697 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 124 transitions. [2018-12-09 14:20:59,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 14:20:59,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:20:59,698 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] [2018-12-09 14:20:59,698 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:20:59,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:20:59,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1694711343, now seen corresponding path program 1 times [2018-12-09 14:20:59,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 14:20:59,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 14:20:59,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:20:59,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:20:59,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:20:59,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:20:59,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 14:20:59,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 14:20:59,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 14:20:59,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 14:20:59,751 INFO L87 Difference]: Start difference. First operand 105 states and 124 transitions. Second operand 3 states. [2018-12-09 14:20:59,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:20:59,766 INFO L93 Difference]: Finished difference Result 153 states and 179 transitions. [2018-12-09 14:20:59,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 14:20:59,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 14:20:59,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:20:59,767 INFO L225 Difference]: With dead ends: 153 [2018-12-09 14:20:59,767 INFO L226 Difference]: Without dead ends: 96 [2018-12-09 14:20:59,768 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 [2018-12-09 14:20:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-12-09 14:20:59,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-12-09 14:20:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-12-09 14:20:59,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions. [2018-12-09 14:20:59,775 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 47 [2018-12-09 14:20:59,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:20:59,775 INFO L480 AbstractCegarLoop]: Abstraction has 96 states and 112 transitions. [2018-12-09 14:20:59,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 14:20:59,775 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2018-12-09 14:20:59,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 14:20:59,776 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:20:59,776 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] [2018-12-09 14:20:59,776 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:20:59,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:20:59,776 INFO L82 PathProgramCache]: Analyzing trace with hash 2057501258, now seen corresponding path program 1 times [2018-12-09 14:20:59,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 14:20:59,776 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 14:20:59,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:20:59,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:20:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:20:59,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:20:59,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:20:59,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 14:20:59,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 14:20:59,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 14:20:59,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:20:59,844 INFO L87 Difference]: Start difference. First operand 96 states and 112 transitions. Second operand 7 states. [2018-12-09 14:21:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:21:00,051 INFO L93 Difference]: Finished difference Result 290 states and 354 transitions. [2018-12-09 14:21:00,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:21:00,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 14:21:00,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:21:00,053 INFO L225 Difference]: With dead ends: 290 [2018-12-09 14:21:00,053 INFO L226 Difference]: Without dead ends: 218 [2018-12-09 14:21:00,054 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 [2018-12-09 14:21:00,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-12-09 14:21:00,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 210. [2018-12-09 14:21:00,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-12-09 14:21:00,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 256 transitions. [2018-12-09 14:21:00,072 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 256 transitions. Word has length 51 [2018-12-09 14:21:00,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:21:00,072 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 256 transitions. [2018-12-09 14:21:00,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 14:21:00,072 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 256 transitions. [2018-12-09 14:21:00,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 14:21:00,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:21:00,073 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] [2018-12-09 14:21:00,073 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:21:00,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:21:00,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1867833740, now seen corresponding path program 1 times [2018-12-09 14:21:00,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 14:21:00,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 14:21:00,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:21:00,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:21:00,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:21:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:21:00,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:21:00,129 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:21:00,130 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:21:00,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:21:00,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:21:00,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:21:00,131 INFO L87 Difference]: Start difference. First operand 210 states and 256 transitions. Second operand 6 states. [2018-12-09 14:21:00,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:21:00,256 INFO L93 Difference]: Finished difference Result 567 states and 716 transitions. [2018-12-09 14:21:00,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:21:00,256 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 14:21:00,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:21:00,260 INFO L225 Difference]: With dead ends: 567 [2018-12-09 14:21:00,260 INFO L226 Difference]: Without dead ends: 381 [2018-12-09 14:21:00,261 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 [2018-12-09 14:21:00,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-12-09 14:21:00,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 375. [2018-12-09 14:21:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-12-09 14:21:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 462 transitions. [2018-12-09 14:21:00,299 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 462 transitions. Word has length 57 [2018-12-09 14:21:00,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:21:00,300 INFO L480 AbstractCegarLoop]: Abstraction has 375 states and 462 transitions. [2018-12-09 14:21:00,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:21:00,300 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 462 transitions. [2018-12-09 14:21:00,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 14:21:00,303 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:21:00,303 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] [2018-12-09 14:21:00,303 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:21:00,303 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:21:00,303 INFO L82 PathProgramCache]: Analyzing trace with hash -126048040, now seen corresponding path program 1 times [2018-12-09 14:21:00,303 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 14:21:00,304 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 14:21:00,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:21:00,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:21:00,305 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:21:00,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:21:00,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:21:00,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:21:00,375 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 14:21:00,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 14:21:00,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 14:21:00,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 14:21:00,376 INFO L87 Difference]: Start difference. First operand 375 states and 462 transitions. Second operand 7 states. [2018-12-09 14:21:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:21:00,564 INFO L93 Difference]: Finished difference Result 641 states and 812 transitions. [2018-12-09 14:21:00,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 14:21:00,565 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 14:21:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:21:00,565 INFO L225 Difference]: With dead ends: 641 [2018-12-09 14:21:00,565 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:21:00,568 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 [2018-12-09 14:21:00,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:21:00,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:21:00,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:21:00,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:21:00,568 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-12-09 14:21:00,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:21:00,569 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:21:00,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 14:21:00,569 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:21:00,569 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:21:00,573 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:21:01,072 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 236 243) the Hoare annotation is: true [2018-12-09 14:21:01,072 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 236 243) no Hoare annotation was computed. [2018-12-09 14:21:01,072 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 236 243) no Hoare annotation was computed. [2018-12-09 14:21:01,072 INFO L444 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 14:21:01,072 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 203 227) no Hoare annotation was computed. [2018-12-09 14:21:01,072 INFO L444 ceAbstractionStarter]: At program point L217(line 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 203 227) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 14:21:01,073 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 203 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 219) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L444 ceAbstractionStarter]: At program point L209(line 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point L209-1(line 209) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point L207(lines 207 224) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 405 411) the Hoare annotation is: true [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 405 411) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 195 201) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 195 201) the Hoare annotation is: true [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 412 420) no Hoare annotation was computed. [2018-12-09 14:21:01,073 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 412 420) the Hoare annotation is: true [2018-12-09 14:21:01,073 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 412 420) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 317 382) 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))) [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point L349(line 349) 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))) [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 353) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 347 353) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 317 382) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point L372(lines 327 374) 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))) [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point L339(line 339) 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))) [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point L337-1(lines 337 343) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 333) no Hoare annotation was computed. [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point L375(lines 326 376) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 14:21:01,074 INFO L444 ceAbstractionStarter]: At program point L365(line 365) 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))) [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 369) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point L363-1(lines 357 370) 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))) [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L328(lines 327 374) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 370) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 317 382) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 494 516) 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))) [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point L506-1(line 506) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~3 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 494 516) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 511) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 504 511) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point L501(line 501) 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))) [2018-12-09 14:21:01,075 INFO L444 ceAbstractionStarter]: At program point L500(line 500) 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))) [2018-12-09 14:21:01,076 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) 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))) [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 494 516) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 300 314) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point L304(lines 304 310) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 300 314) 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))))) [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 300 314) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L444 ceAbstractionStarter]: At program point L306(line 306) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 255 263) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 255 263) the Hoare annotation is: true [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 255 263) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-12-09 14:21:01,076 INFO L451 ceAbstractionStarter]: At program point L448(lines 423 452) the Hoare annotation is: true [2018-12-09 14:21:01,076 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 423 452) no Hoare annotation was computed. [2018-12-09 14:21:01,077 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 423 452) the Hoare annotation is: true [2018-12-09 14:21:01,077 INFO L448 ceAbstractionStarter]: For program point L444(line 444) no Hoare annotation was computed. [2018-12-09 14:21:01,077 INFO L448 ceAbstractionStarter]: For program point L437(lines 437 441) no Hoare annotation was computed. [2018-12-09 14:21:01,077 INFO L451 ceAbstractionStarter]: At program point L437-1(lines 437 441) the Hoare annotation is: true [2018-12-09 14:21:01,077 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 14:21:01,077 INFO L451 ceAbstractionStarter]: At program point L433-2(lines 433 447) the Hoare annotation is: true [2018-12-09 14:21:01,077 INFO L451 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: true [2018-12-09 14:21:01,077 INFO L448 ceAbstractionStarter]: For program point L429-1(line 429) no Hoare annotation was computed. [2018-12-09 14:21:01,077 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 14:21:01,077 INFO L444 ceAbstractionStarter]: At program point L182(lines 182 188) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 14:21:01,077 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-09 14:21:01,078 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 171 194) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point L175(lines 174 193) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 171 194) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 171 194) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-12-09 14:21:01,078 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 398 404) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 398 404) the Hoare annotation is: true [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 477 483) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 477 483) the Hoare annotation is: true [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-12-09 14:21:01,079 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-12-09 14:21:01,079 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 154 161) no Hoare annotation was computed. [2018-12-09 14:21:01,079 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 154 161) the Hoare annotation is: true [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 154 161) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 484 493) 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))) [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 484 493) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 484 493) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 128 152) the Hoare annotation is: true [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 128 152) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L444 ceAbstractionStarter]: At program point L142(line 142) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-12-09 14:21:01,080 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-12-09 14:21:01,080 INFO L444 ceAbstractionStarter]: At program point L138(line 138) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point L138-1(line 138) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 149) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point L136-1(lines 128 152) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L451 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: true [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point L134-1(line 134) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 244 254) the Hoare annotation is: true [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 244 254) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L451 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-12-09 14:21:01,081 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 244 254) no Hoare annotation was computed. [2018-12-09 14:21:01,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:21:01 BoogieIcfgContainer [2018-12-09 14:21:01,089 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:21:01,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:21:01,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:21:01,090 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:21:01,091 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:20:59" (3/4) ... [2018-12-09 14:21:01,093 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:21:01,097 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 14:21:01,098 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 14:21:01,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 14:21:01,099 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 14:21:01,104 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-09 14:21:01,104 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 14:21:01,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 14:21:01,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 14:21:01,105 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 14:21:01,106 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 14:21:01,123 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:21:01,124 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 14:21:01,147 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_20535df2-3e2b-4f61-88ee-883e511e215f/bin-2019/uautomizer/witness.graphml [2018-12-09 14:21:01,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:21:01,147 INFO L168 Benchmark]: Toolchain (without parser) took 2380.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 953.3 MB in the beginning and 934.9 MB in the end (delta: 18.4 MB). Peak memory consumption was 123.2 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,148 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:21:01,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,149 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,149 INFO L168 Benchmark]: Boogie Preprocessor took 19.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,149 INFO L168 Benchmark]: RCFGBuilder took 334.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,149 INFO L168 Benchmark]: TraceAbstraction took 1674.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,149 INFO L168 Benchmark]: Witness Printer took 57.22 ms. Allocated memory is still 1.1 GB. Free memory was 941.9 MB in the beginning and 934.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:21:01,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.60 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -148.0 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 334.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 41.2 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1674.03 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 941.9 MB in the end (delta: 110.1 MB). Peak memory consumption was 110.1 MB. Max. memory is 11.5 GB. * Witness Printer took 57.22 ms. Allocated memory is still 1.1 GB. Free memory was 941.9 MB in the beginning and 934.9 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 158]: 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: 423]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 326]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 118 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 584 SDtfs, 333 SDslu, 1122 SDs, 0 SdLazy, 391 SolverSat, 65 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=375occurred 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, 51 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 478 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 51 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 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...