./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/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 249d62a54436f1843aa0e9d30b8a57435cee856a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 07:56:46,831 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 07:56:46,832 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 07:56:46,840 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 07:56:46,840 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 07:56:46,841 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 07:56:46,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 07:56:46,843 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 07:56:46,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 07:56:46,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 07:56:46,845 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 07:56:46,845 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 07:56:46,846 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 07:56:46,847 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 07:56:46,848 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 07:56:46,849 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 07:56:46,849 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 07:56:46,851 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 07:56:46,853 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 07:56:46,854 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 07:56:46,855 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 07:56:46,856 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 07:56:46,857 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 07:56:46,858 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 07:56:46,858 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 07:56:46,859 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 07:56:46,860 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 07:56:46,861 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 07:56:46,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 07:56:46,862 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 07:56:46,862 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 07:56:46,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 07:56:46,863 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 07:56:46,863 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 07:56:46,864 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 07:56:46,864 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 07:56:46,865 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 07:56:46,874 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 07:56:46,874 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 07:56:46,875 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 07:56:46,875 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 07:56:46,875 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 07:56:46,875 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 07:56:46,876 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 07:56:46,876 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 07:56:46,877 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 07:56:46,877 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 07:56:46,878 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 07:56:46,878 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 07:56:46,878 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_9e8da694-46fd-4014-a577-45cb04d77d45/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 -> 249d62a54436f1843aa0e9d30b8a57435cee856a [2018-11-23 07:56:46,901 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 07:56:46,910 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 07:56:46,913 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 07:56:46,914 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 07:56:46,914 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 07:56:46,915 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:46,953 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/data/fa19bfb79/c56613f2120a4986912d8d9c5e2f68a6/FLAG9d45c5ef5 [2018-11-23 07:56:47,382 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 07:56:47,382 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/sv-benchmarks/c/product-lines/minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:47,389 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/data/fa19bfb79/c56613f2120a4986912d8d9c5e2f68a6/FLAG9d45c5ef5 [2018-11-23 07:56:47,401 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/data/fa19bfb79/c56613f2120a4986912d8d9c5e2f68a6 [2018-11-23 07:56:47,403 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 07:56:47,403 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 07:56:47,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 07:56:47,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 07:56:47,406 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 07:56:47,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,408 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47, skipping insertion in model container [2018-11-23 07:56:47,408 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,415 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 07:56:47,444 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 07:56:47,637 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:56:47,643 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 07:56:47,738 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 07:56:47,755 INFO L195 MainTranslator]: Completed translation [2018-11-23 07:56:47,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47 WrapperNode [2018-11-23 07:56:47,755 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 07:56:47,756 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 07:56:47,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 07:56:47,756 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 07:56:47,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 07:56:47,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 07:56:47,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 07:56:47,783 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 07:56:47,790 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,790 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,793 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,794 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,809 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... [2018-11-23 07:56:47,814 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 07:56:47,815 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 07:56:47,815 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 07:56:47,815 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 07:56:47,816 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/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 [2018-11-23 07:56:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 07:56:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 07:56:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 07:56:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 07:56:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 07:56:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 07:56:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 07:56:47,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 07:56:47,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 07:56:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 07:56:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 07:56:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 07:56:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 07:56:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 07:56:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 07:56:47,852 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 07:56:47,852 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 07:56:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 07:56:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 07:56:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 07:56:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 07:56:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 07:56:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 07:56:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 07:56:47,853 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 07:56:47,853 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 07:56:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 07:56:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 07:56:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 07:56:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 07:56:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 07:56:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 07:56:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 07:56:47,854 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 07:56:47,854 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 07:56:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 07:56:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 07:56:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:56:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:56:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:56:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:56:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:56:47,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:56:47,855 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:56:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:56:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 07:56:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 07:56:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 07:56:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 07:56:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 07:56:47,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 07:56:47,856 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 07:56:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 07:56:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 07:56:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 07:56:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 07:56:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 07:56:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 07:56:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 07:56:47,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 07:56:47,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 07:56:47,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 07:56:48,327 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 07:56:48,327 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 07:56:48,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:48 BoogieIcfgContainer [2018-11-23 07:56:48,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 07:56:48,328 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 07:56:48,328 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 07:56:48,330 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 07:56:48,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 07:56:47" (1/3) ... [2018-11-23 07:56:48,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2239ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:56:48, skipping insertion in model container [2018-11-23 07:56:48,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 07:56:47" (2/3) ... [2018-11-23 07:56:48,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2239ff12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 07:56:48, skipping insertion in model container [2018-11-23 07:56:48,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:48" (3/3) ... [2018-11-23 07:56:48,334 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product32_true-unreach-call_false-termination.cil.c [2018-11-23 07:56:48,340 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 07:56:48,347 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 07:56:48,357 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 07:56:48,379 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 07:56:48,380 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 07:56:48,380 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 07:56:48,380 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 07:56:48,380 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 07:56:48,380 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 07:56:48,380 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 07:56:48,380 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 07:56:48,380 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 07:56:48,395 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-23 07:56:48,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 07:56:48,402 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:48,403 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:48,405 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:48,409 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:48,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1020158100, now seen corresponding path program 1 times [2018-11-23 07:56:48,410 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:56:48,410 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:56:48,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:48,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:48,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:56:48,602 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:48,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 07:56:48,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 07:56:48,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 07:56:48,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 07:56:48,619 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-23 07:56:48,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:48,648 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-11-23 07:56:48,648 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 07:56:48,649 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 07:56:48,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:48,658 INFO L225 Difference]: With dead ends: 280 [2018-11-23 07:56:48,658 INFO L226 Difference]: Without dead ends: 142 [2018-11-23 07:56:48,661 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 [2018-11-23 07:56:48,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-23 07:56:48,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-23 07:56:48,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-23 07:56:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 167 transitions. [2018-11-23 07:56:48,695 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 167 transitions. Word has length 59 [2018-11-23 07:56:48,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:48,696 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 167 transitions. [2018-11-23 07:56:48,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 07:56:48,696 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 167 transitions. [2018-11-23 07:56:48,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 07:56:48,698 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:48,698 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:48,699 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:48,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:48,699 INFO L82 PathProgramCache]: Analyzing trace with hash 75393694, now seen corresponding path program 1 times [2018-11-23 07:56:48,699 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:56:48,699 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:56:48,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:48,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:48,788 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:56:48,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:48,788 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 07:56:48,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 07:56:48,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 07:56:48,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 07:56:48,790 INFO L87 Difference]: Start difference. First operand 142 states and 167 transitions. Second operand 3 states. [2018-11-23 07:56:48,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:48,810 INFO L93 Difference]: Finished difference Result 219 states and 257 transitions. [2018-11-23 07:56:48,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 07:56:48,810 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 07:56:48,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:48,812 INFO L225 Difference]: With dead ends: 219 [2018-11-23 07:56:48,812 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 07:56:48,813 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 [2018-11-23 07:56:48,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 07:56:48,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 07:56:48,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 07:56:48,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 155 transitions. [2018-11-23 07:56:48,826 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 155 transitions. Word has length 60 [2018-11-23 07:56:48,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:48,826 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 155 transitions. [2018-11-23 07:56:48,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 07:56:48,826 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 155 transitions. [2018-11-23 07:56:48,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 07:56:48,828 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:48,828 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:48,828 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:48,828 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:48,828 INFO L82 PathProgramCache]: Analyzing trace with hash -1228041947, now seen corresponding path program 1 times [2018-11-23 07:56:48,828 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:56:48,829 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:56:48,829 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,830 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:48,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:48,945 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 07:56:48,945 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:48,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:56:48,946 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:56:48,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:56:48,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:48,947 INFO L87 Difference]: Start difference. First operand 133 states and 155 transitions. Second operand 7 states. [2018-11-23 07:56:49,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:49,245 INFO L93 Difference]: Finished difference Result 399 states and 485 transitions. [2018-11-23 07:56:49,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 07:56:49,246 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 07:56:49,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:49,249 INFO L225 Difference]: With dead ends: 399 [2018-11-23 07:56:49,249 INFO L226 Difference]: Without dead ends: 294 [2018-11-23 07:56:49,250 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 [2018-11-23 07:56:49,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-11-23 07:56:49,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 282. [2018-11-23 07:56:49,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2018-11-23 07:56:49,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 342 transitions. [2018-11-23 07:56:49,284 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 342 transitions. Word has length 65 [2018-11-23 07:56:49,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:49,284 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 342 transitions. [2018-11-23 07:56:49,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:56:49,285 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 342 transitions. [2018-11-23 07:56:49,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 07:56:49,287 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 07:56:49,287 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 07:56:49,288 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 07:56:49,288 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 07:56:49,288 INFO L82 PathProgramCache]: Analyzing trace with hash 523013558, now seen corresponding path program 1 times [2018-11-23 07:56:49,288 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 07:56:49,288 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 07:56:49,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:49,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 07:56:49,289 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 07:56:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 07:56:49,389 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 07:56:49,389 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 07:56:49,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 07:56:49,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 07:56:49,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 07:56:49,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 07:56:49,390 INFO L87 Difference]: Start difference. First operand 282 states and 342 transitions. Second operand 7 states. [2018-11-23 07:56:49,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 07:56:49,601 INFO L93 Difference]: Finished difference Result 456 states and 571 transitions. [2018-11-23 07:56:49,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 07:56:49,603 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 07:56:49,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 07:56:49,604 INFO L225 Difference]: With dead ends: 456 [2018-11-23 07:56:49,604 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 07:56:49,606 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 [2018-11-23 07:56:49,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 07:56:49,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 07:56:49,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 07:56:49,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 07:56:49,607 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-23 07:56:49,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 07:56:49,608 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 07:56:49,608 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 07:56:49,609 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 07:56:49,609 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 07:56:49,612 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 07:56:50,128 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-23 07:56:50,128 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-23 07:56:50,128 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-23 07:56:50,128 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-23 07:56:50,128 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-23 07:56:50,128 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 493 500) the Hoare annotation is: true [2018-11-23 07:56:50,128 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 493 500) no Hoare annotation was computed. [2018-11-23 07:56:50,128 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 493 500) no Hoare annotation was computed. [2018-11-23 07:56:50,128 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 501 510) the Hoare annotation is: true [2018-11-23 07:56:50,129 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 501 510) no Hoare annotation was computed. [2018-11-23 07:56:50,129 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-23 07:56:50,129 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 501 510) no Hoare annotation was computed. [2018-11-23 07:56:50,129 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 511 539) the Hoare annotation is: true [2018-11-23 07:56:50,129 INFO L444 ceAbstractionStarter]: At program point L526(line 526) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 530) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 511 539) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 533) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L451 ceAbstractionStarter]: At program point L521(line 521) the Hoare annotation is: true [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L521-1(line 521) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L519(lines 519 536) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 511 539) no Hoare annotation was computed. [2018-11-23 07:56:50,131 INFO L451 ceAbstractionStarter]: At program point L517(line 517) the Hoare annotation is: true [2018-11-23 07:56:50,131 INFO L448 ceAbstractionStarter]: For program point L517-1(line 517) no Hoare annotation was computed. [2018-11-23 07:56:50,134 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,134 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2018-11-23 07:56:50,134 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2018-11-23 07:56:50,134 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,134 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,134 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 174) no Hoare annotation was computed. [2018-11-23 07:56:50,135 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2018-11-23 07:56:50,135 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,135 INFO L448 ceAbstractionStarter]: For program point L258-1(lines 239 263) no Hoare annotation was computed. [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L253(line 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,135 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 255) no Hoare annotation was computed. [2018-11-23 07:56:50,135 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point L245-1(line 245) no Hoare annotation was computed. [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point L243(lines 243 260) no Hoare annotation was computed. [2018-11-23 07:56:50,136 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 239 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 239 263) no Hoare annotation was computed. [2018-11-23 07:56:50,136 INFO L444 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 398 412) no Hoare annotation was computed. [2018-11-23 07:56:50,136 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 398 412) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 398 412) no Hoare annotation was computed. [2018-11-23 07:56:50,136 INFO L444 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 07:56:50,136 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 334 342) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 334 342) the Hoare annotation is: true [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 334 342) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 379 397) the Hoare annotation is: true [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 379 397) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 392) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point L388-2(lines 388 392) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 379 397) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-23 07:56:50,137 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-23 07:56:50,137 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,138 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2018-11-23 07:56:50,138 INFO L444 ceAbstractionStarter]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,138 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2018-11-23 07:56:50,138 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 323 333) the Hoare annotation is: true [2018-11-23 07:56:50,138 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 323 333) no Hoare annotation was computed. [2018-11-23 07:56:50,138 INFO L451 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: true [2018-11-23 07:56:50,138 INFO L448 ceAbstractionStarter]: For program point L328-1(line 328) no Hoare annotation was computed. [2018-11-23 07:56:50,138 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 323 333) no Hoare annotation was computed. [2018-11-23 07:56:50,138 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 315 322) the Hoare annotation is: true [2018-11-23 07:56:50,140 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 315 322) no Hoare annotation was computed. [2018-11-23 07:56:50,140 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 315 322) no Hoare annotation was computed. [2018-11-23 07:56:50,140 INFO L444 ceAbstractionStarter]: At program point L284(line 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,140 INFO L448 ceAbstractionStarter]: For program point L284-1(lines 265 289) no Hoare annotation was computed. [2018-11-23 07:56:50,140 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,141 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 265 289) no Hoare annotation was computed. [2018-11-23 07:56:50,141 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 265 289) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,141 INFO L444 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,141 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 281) no Hoare annotation was computed. [2018-11-23 07:56:50,141 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 07:56:50,141 INFO L448 ceAbstractionStarter]: For program point L271-1(line 271) no Hoare annotation was computed. [2018-11-23 07:56:50,141 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 286) no Hoare annotation was computed. [2018-11-23 07:56:50,141 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 231 237) no Hoare annotation was computed. [2018-11-23 07:56:50,141 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 231 237) the Hoare annotation is: true [2018-11-23 07:56:50,141 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 422 489) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,141 INFO L444 ceAbstractionStarter]: At program point L479(lines 432 481) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,142 INFO L444 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 448) no Hoare annotation was computed. [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 442 448) no Hoare annotation was computed. [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 422 489) no Hoare annotation was computed. [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 438) no Hoare annotation was computed. [2018-11-23 07:56:50,142 INFO L444 ceAbstractionStarter]: At program point L482(lines 431 483) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 07:56:50,142 INFO L444 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 476) no Hoare annotation was computed. [2018-11-23 07:56:50,142 INFO L444 ceAbstractionStarter]: At program point L470-1(lines 462 477) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,142 INFO L448 ceAbstractionStarter]: For program point L433(lines 432 481) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L444 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 477) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 422 489) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 986 994) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 986 994) the Hoare annotation is: true [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 986 994) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 07:56:50,143 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:56:50,143 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 977 985) the Hoare annotation is: true [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 977 985) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 977 985) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 933 944) the Hoare annotation is: true [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point L937-1(lines 933 944) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 933 944) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 945 953) the Hoare annotation is: true [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 945 953) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 945 953) no Hoare annotation was computed. [2018-11-23 07:56:50,144 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-23 07:56:50,144 INFO L444 ceAbstractionStarter]: At program point L218(lines 218 224) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,144 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 07:56:50,144 INFO L448 ceAbstractionStarter]: For program point L211(lines 207 229) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point L209(lines 207 229) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 204 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 204 230) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 204 230) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 98) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L451 ceAbstractionStarter]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2018-11-23 07:56:50,145 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L451 ceAbstractionStarter]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2018-11-23 07:56:50,145 INFO L451 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: true [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point L86-1(line 86) no Hoare annotation was computed. [2018-11-23 07:56:50,145 INFO L451 ceAbstractionStarter]: At program point L105(lines 80 109) the Hoare annotation is: true [2018-11-23 07:56:50,145 INFO L448 ceAbstractionStarter]: For program point L101(line 101) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point L913-1(lines 909 920) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 909 920) the Hoare annotation is: true [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 909 920) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 07:56:50,146 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 07:56:50,146 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 413 420) no Hoare annotation was computed. [2018-11-23 07:56:50,148 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 413 420) the Hoare annotation is: true [2018-11-23 07:56:50,148 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 413 420) no Hoare annotation was computed. [2018-11-23 07:56:50,149 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 921 932) no Hoare annotation was computed. [2018-11-23 07:56:50,149 INFO L448 ceAbstractionStarter]: For program point L925-1(lines 921 932) no Hoare annotation was computed. [2018-11-23 07:56:50,149 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 921 932) the Hoare annotation is: true [2018-11-23 07:56:50,149 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 181 188) no Hoare annotation was computed. [2018-11-23 07:56:50,149 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 185) no Hoare annotation was computed. [2018-11-23 07:56:50,149 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 181 188) the Hoare annotation is: true [2018-11-23 07:56:50,149 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 181 188) no Hoare annotation was computed. [2018-11-23 07:56:50,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 07:56:50 BoogieIcfgContainer [2018-11-23 07:56:50,161 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 07:56:50,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 07:56:50,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 07:56:50,162 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 07:56:50,162 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 07:56:48" (3/4) ... [2018-11-23 07:56:50,165 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 07:56:50,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 07:56:50,169 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 07:56:50,170 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 07:56:50,171 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 07:56:50,172 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 07:56:50,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 07:56:50,179 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 07:56:50,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 07:56:50,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 07:56:50,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 07:56:50,180 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:56:50,181 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 07:56:50,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-23 07:56:50,202 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-23 07:56:50,236 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9e8da694-46fd-4014-a577-45cb04d77d45/bin-2019/uautomizer/witness.graphml [2018-11-23 07:56:50,236 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 07:56:50,237 INFO L168 Benchmark]: Toolchain (without parser) took 2833.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,238 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:56:50,238 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,238 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,238 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 07:56:50,239 INFO L168 Benchmark]: RCFGBuilder took 512.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,239 INFO L168 Benchmark]: TraceAbstraction took 1833.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.5 MB). Peak memory consumption was 267.9 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,239 INFO L168 Benchmark]: Witness Printer took 74.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-23 07:56:50,240 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.8 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -200.0 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 512.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 51.9 MB). Peak memory consumption was 51.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1833.24 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.5 MB). Peak memory consumption was 267.9 MB. Max. memory is 11.5 GB. * Witness Printer took 74.59 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 185]: 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: 432]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 616 SDtfs, 360 SDslu, 917 SDs, 0 SdLazy, 446 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=282occurred in iteration=3, 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, 4 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 352 PreInvPairs, 376 NumberOfFragments, 461 HoareAnnotationTreeSize, 352 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 65 FomulaSimplificationsInter, 956 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...