./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 10:43:06,853 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 10:43:06,854 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 10:43:06,862 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 10:43:06,862 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 10:43:06,862 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 10:43:06,863 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 10:43:06,864 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 10:43:06,865 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 10:43:06,866 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 10:43:06,867 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 10:43:06,867 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 10:43:06,867 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 10:43:06,868 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 10:43:06,869 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 10:43:06,869 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 10:43:06,869 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 10:43:06,870 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 10:43:06,872 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 10:43:06,872 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 10:43:06,873 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 10:43:06,874 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 10:43:06,875 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 10:43:06,876 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 10:43:06,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 10:43:06,876 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 10:43:06,877 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 10:43:06,877 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 10:43:06,878 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 10:43:06,878 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 10:43:06,878 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 10:43:06,879 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 10:43:06,879 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 10:43:06,879 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 10:43:06,879 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 10:43:06,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 10:43:06,880 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 10:43:06,887 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 10:43:06,887 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 10:43:06,888 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 10:43:06,888 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 10:43:06,888 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 10:43:06,889 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 10:43:06,889 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 10:43:06,889 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 10:43:06,889 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 10:43:06,889 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 10:43:06,889 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 10:43:06,890 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 10:43:06,891 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 10:43:06,891 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 10:43:06,891 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 10:43:06,891 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 10:43:06,891 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 10:43:06,891 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:43:06,892 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 10:43:06,892 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 10:43:06,892 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 10:43:06,892 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 10:43:06,892 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 10:43:06,892 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 10:43:06,892 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_11c36922-029d-483e-877c-d74503cee447/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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-11-28 10:43:06,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 10:43:06,925 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 10:43:06,928 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 10:43:06,929 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 10:43:06,929 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 10:43:06,930 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 10:43:06,973 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/data/8dd4cebba/0e65b6bb65ec455685657d588c45d08d/FLAG751a59597 [2018-11-28 10:43:07,341 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 10:43:07,342 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/sv-benchmarks/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 10:43:07,350 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/data/8dd4cebba/0e65b6bb65ec455685657d588c45d08d/FLAG751a59597 [2018-11-28 10:43:07,732 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/data/8dd4cebba/0e65b6bb65ec455685657d588c45d08d [2018-11-28 10:43:07,734 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 10:43:07,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 10:43:07,735 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 10:43:07,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 10:43:07,738 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 10:43:07,738 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:07" (1/1) ... [2018-11-28 10:43:07,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a6c46a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:07, skipping insertion in model container [2018-11-28 10:43:07,740 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 10:43:07" (1/1) ... [2018-11-28 10:43:07,744 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 10:43:07,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 10:43:07,955 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:43:07,965 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 10:43:08,066 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 10:43:08,086 INFO L195 MainTranslator]: Completed translation [2018-11-28 10:43:08,087 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08 WrapperNode [2018-11-28 10:43:08,087 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 10:43:08,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 10:43:08,088 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 10:43:08,088 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 10:43:08,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,106 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 10:43:08,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 10:43:08,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 10:43:08,112 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 10:43:08,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,118 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,121 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... [2018-11-28 10:43:08,134 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 10:43:08,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 10:43:08,135 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 10:43:08,135 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 10:43:08,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 10:43:08,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 10:43:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 10:43:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 10:43:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 10:43:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 10:43:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 10:43:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 10:43:08,169 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 10:43:08,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 10:43:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 10:43:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 10:43:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 10:43:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 10:43:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 10:43:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 10:43:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 10:43:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 10:43:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 10:43:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 10:43:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 10:43:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 10:43:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 10:43:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 10:43:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 10:43:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 10:43:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 10:43:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 10:43:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 10:43:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 10:43:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 10:43:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 10:43:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 10:43:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 10:43:08,172 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 10:43:08,172 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 10:43:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 10:43:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 10:43:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 10:43:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 10:43:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 10:43:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 10:43:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 10:43:08,173 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 10:43:08,173 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 10:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 10:43:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 10:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 10:43:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 10:43:08,174 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 10:43:08,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 10:43:08,553 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 10:43:08,554 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 10:43:08,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:08 BoogieIcfgContainer [2018-11-28 10:43:08,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 10:43:08,555 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 10:43:08,555 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 10:43:08,557 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 10:43:08,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 10:43:07" (1/3) ... [2018-11-28 10:43:08,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7145abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:08, skipping insertion in model container [2018-11-28 10:43:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 10:43:08" (2/3) ... [2018-11-28 10:43:08,558 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7145abf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 10:43:08, skipping insertion in model container [2018-11-28 10:43:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:08" (3/3) ... [2018-11-28 10:43:08,560 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 10:43:08,568 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 10:43:08,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 10:43:08,588 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 10:43:08,610 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 10:43:08,611 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 10:43:08,611 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 10:43:08,611 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 10:43:08,611 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 10:43:08,611 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 10:43:08,611 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 10:43:08,611 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 10:43:08,612 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 10:43:08,628 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 10:43:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 10:43:08,633 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:43:08,633 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:43:08,635 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:43:08,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:43:08,638 INFO L82 PathProgramCache]: Analyzing trace with hash -1500228557, now seen corresponding path program 1 times [2018-11-28 10:43:08,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:43:08,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:43:08,676 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:08,677 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:43:08,677 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:08,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:43:08,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:43:08,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:43:08,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 10:43:08,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 10:43:08,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 10:43:08,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:43:08,837 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 10:43:08,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:43:08,860 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 10:43:08,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 10:43:08,861 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 10:43:08,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:43:08,868 INFO L225 Difference]: With dead ends: 220 [2018-11-28 10:43:08,868 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 10:43:08,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 10:43:08,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 10:43:08,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 10:43:08,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 10:43:08,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 10:43:08,900 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 10:43:08,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:43:08,900 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 10:43:08,900 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 10:43:08,900 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 10:43:08,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 10:43:08,902 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:43:08,902 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] [2018-11-28 10:43:08,903 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:43:08,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:43:08,903 INFO L82 PathProgramCache]: Analyzing trace with hash -37970742, now seen corresponding path program 1 times [2018-11-28 10:43:08,903 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:43:08,903 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:43:08,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:08,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:43:08,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:08,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:43:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:43:08,988 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:43:08,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 10:43:08,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 10:43:08,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 10:43:08,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:43:08,990 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 10:43:09,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:43:09,011 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 10:43:09,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 10:43:09,011 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 10:43:09,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:43:09,013 INFO L225 Difference]: With dead ends: 163 [2018-11-28 10:43:09,013 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 10:43:09,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 10:43:09,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 10:43:09,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 10:43:09,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 10:43:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 10:43:09,024 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 10:43:09,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:43:09,025 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 10:43:09,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 10:43:09,025 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 10:43:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 10:43:09,026 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:43:09,026 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 10:43:09,026 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:43:09,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:43:09,026 INFO L82 PathProgramCache]: Analyzing trace with hash 83305199, now seen corresponding path program 1 times [2018-11-28 10:43:09,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:43:09,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:43:09,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:43:09,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:43:09,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:43:09,137 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:43:09,137 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:43:09,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:43:09,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:43:09,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:43:09,138 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 10:43:09,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:43:09,376 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 10:43:09,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 10:43:09,376 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 10:43:09,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:43:09,380 INFO L225 Difference]: With dead ends: 305 [2018-11-28 10:43:09,381 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 10:43:09,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 10:43:09,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 10:43:09,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 10:43:09,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 10:43:09,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 10:43:09,408 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 10:43:09,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:43:09,408 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 10:43:09,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:43:09,408 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 10:43:09,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 10:43:09,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:43:09,410 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] [2018-11-28 10:43:09,410 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:43:09,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:43:09,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1498984626, now seen corresponding path program 1 times [2018-11-28 10:43:09,411 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:43:09,411 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:43:09,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,412 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:43:09,412 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:43:09,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:43:09,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:43:09,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 10:43:09,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 10:43:09,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 10:43:09,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 10:43:09,506 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 6 states. [2018-11-28 10:43:09,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:43:09,616 INFO L93 Difference]: Finished difference Result 597 states and 746 transitions. [2018-11-28 10:43:09,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:43:09,617 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 10:43:09,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:43:09,620 INFO L225 Difference]: With dead ends: 597 [2018-11-28 10:43:09,621 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 10:43:09,622 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 10:43:09,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 10:43:09,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-28 10:43:09,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-28 10:43:09,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2018-11-28 10:43:09,660 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2018-11-28 10:43:09,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:43:09,661 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2018-11-28 10:43:09,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 10:43:09,661 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2018-11-28 10:43:09,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 10:43:09,664 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 10:43:09,664 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] [2018-11-28 10:43:09,664 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 10:43:09,664 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 10:43:09,665 INFO L82 PathProgramCache]: Analyzing trace with hash 449829746, now seen corresponding path program 1 times [2018-11-28 10:43:09,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 10:43:09,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 10:43:09,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 10:43:09,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 10:43:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 10:43:09,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 10:43:09,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 10:43:09,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 10:43:09,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 10:43:09,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 10:43:09,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 10:43:09,763 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 7 states. [2018-11-28 10:43:09,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 10:43:09,978 INFO L93 Difference]: Finished difference Result 661 states and 832 transitions. [2018-11-28 10:43:09,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 10:43:09,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 10:43:09,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 10:43:09,981 INFO L225 Difference]: With dead ends: 661 [2018-11-28 10:43:09,981 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 10:43:09,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 10:43:09,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 10:43:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 10:43:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 10:43:09,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 10:43:09,983 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 10:43:09,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 10:43:09,984 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 10:43:09,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 10:43:09,984 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 10:43:09,984 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 10:43:09,988 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 10:43:10,658 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2018-11-28 10:43:10,658 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-11-28 10:43:10,658 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-11-28 10:43:10,658 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:43:10,658 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2018-11-28 10:43:10,658 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:43:10,658 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2018-11-28 10:43:10,658 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:43:10,658 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2018-11-28 10:43:10,659 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2018-11-28 10:43:10,659 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 846 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,660 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L444 ceAbstractionStarter]: At program point L892-1(lines 886 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point L857(lines 856 903) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 899) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 882) no Hoare annotation was computed. [2018-11-28 10:43:10,660 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2018-11-28 10:43:10,661 INFO L444 ceAbstractionStarter]: At program point L901(lines 856 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,666 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,667 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-11-28 10:43:10,667 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2018-11-28 10:43:10,667 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-11-28 10:43:10,667 INFO L444 ceAbstractionStarter]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,667 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2018-11-28 10:43:10,667 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 652 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,667 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2018-11-28 10:43:10,667 INFO L444 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,667 INFO L444 ceAbstractionStarter]: At program point L664-1(line 664) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 669) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,668 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,668 INFO L444 ceAbstractionStarter]: At program point L658-1(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 10:43:10,668 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2018-11-28 10:43:10,668 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-28 10:43:10,669 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2018-11-28 10:43:10,669 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L451 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-11-28 10:43:10,670 INFO L448 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 10:43:10,670 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-28 10:43:10,670 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 10:43:10,670 INFO L444 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:43:10,670 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 10:43:10,670 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2018-11-28 10:43:10,671 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-28 10:43:10,671 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 10:43:10,672 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 10:43:10,672 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 642 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2018-11-28 10:43:10,673 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-28 10:43:10,674 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-28 10:43:10,674 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-28 10:43:10,674 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-28 10:43:10,674 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-28 10:43:10,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 10:43:10 BoogieIcfgContainer [2018-11-28 10:43:10,688 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 10:43:10,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 10:43:10,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 10:43:10,688 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 10:43:10,689 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 10:43:08" (3/4) ... [2018-11-28 10:43:10,693 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 10:43:10,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 10:43:10,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 10:43:10,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 10:43:10,698 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 10:43:10,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 10:43:10,700 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 10:43:10,706 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 10:43:10,706 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 10:43:10,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 10:43:10,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 10:43:10,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 10:43:10,707 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 10:43:10,727 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:43:10,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 10:43:10,760 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_11c36922-029d-483e-877c-d74503cee447/bin-2019/uautomizer/witness.graphml [2018-11-28 10:43:10,760 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 10:43:10,761 INFO L168 Benchmark]: Toolchain (without parser) took 3026.75 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 950.6 MB in the beginning and 929.6 MB in the end (delta: 21.0 MB). Peak memory consumption was 131.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,762 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:43:10,762 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,763 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 10:43:10,763 INFO L168 Benchmark]: Boogie Preprocessor took 22.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,763 INFO L168 Benchmark]: RCFGBuilder took 419.63 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,763 INFO L168 Benchmark]: TraceAbstraction took 2133.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.0 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,764 INFO L168 Benchmark]: Witness Printer took 72.49 ms. Allocated memory is still 1.1 GB. Free memory was 940.0 MB in the beginning and 929.6 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 11.5 GB. [2018-11-28 10:43:10,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 351.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.6 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -149.4 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.09 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 419.63 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2133.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 940.0 MB in the end (delta: 110.7 MB). Peak memory consumption was 110.7 MB. Max. memory is 11.5 GB. * Witness Printer took 72.49 ms. Allocated memory is still 1.1 GB. Free memory was 940.0 MB in the beginning and 929.6 MB 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: 73]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 856]: 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 24 procedures, 123 locations, 1 error locations. SAFE Result, 2.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 349 SDslu, 1175 SDs, 0 SdLazy, 389 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=395occurred 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, 52 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 479 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s 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...