./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_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_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/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 c5927a819a887aeff1d315c7b53a2aa383626d62 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:42:20,146 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:42:20,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:42:20,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:42:20,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:42:20,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:42:20,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:42:20,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:42:20,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:42:20,159 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:42:20,160 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:42:20,160 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:42:20,161 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:42:20,161 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:42:20,162 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:42:20,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:42:20,163 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:42:20,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:42:20,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:42:20,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:42:20,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:42:20,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:42:20,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:42:20,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:42:20,171 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:42:20,172 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:42:20,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:42:20,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:42:20,173 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:42:20,174 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:42:20,174 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:42:20,175 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:42:20,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:42:20,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:42:20,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:42:20,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:42:20,177 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:42:20,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:42:20,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:42:20,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:42:20,187 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:42:20,188 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:42:20,188 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:42:20,188 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:42:20,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:42:20,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:42:20,188 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:42:20,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:42:20,189 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:42:20,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:42:20,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:42:20,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:42:20,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:42:20,190 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:42:20,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:42:20,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:42:20,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:42:20,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:42:20,191 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:42:20,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:42:20,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:42:20,191 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_b2a41929-7032-4845-b5c1-c6996c77655e/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 -> c5927a819a887aeff1d315c7b53a2aa383626d62 [2018-11-28 12:42:20,214 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:42:20,223 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:42:20,225 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:42:20,226 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:42:20,227 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:42:20,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 12:42:20,266 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/data/1f615b2b0/0c37ac93eaea4a719f245f3b88e25c60/FLAGb70791d5e [2018-11-28 12:42:20,696 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:42:20,696 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/sv-benchmarks/c/product-lines/minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 12:42:20,705 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/data/1f615b2b0/0c37ac93eaea4a719f245f3b88e25c60/FLAGb70791d5e [2018-11-28 12:42:20,716 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/data/1f615b2b0/0c37ac93eaea4a719f245f3b88e25c60 [2018-11-28 12:42:20,718 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:42:20,719 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:42:20,719 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:42:20,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:42:20,722 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:42:20,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:42:20" (1/1) ... [2018-11-28 12:42:20,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:20, skipping insertion in model container [2018-11-28 12:42:20,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:42:20" (1/1) ... [2018-11-28 12:42:20,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:42:20,757 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:42:20,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:42:20,985 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:42:21,033 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:42:21,047 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:42:21,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21 WrapperNode [2018-11-28 12:42:21,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:42:21,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:42:21,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:42:21,049 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:42:21,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,065 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:42:21,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:42:21,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:42:21,073 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:42:21,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,082 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,082 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... [2018-11-28 12:42:21,100 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:42:21,100 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:42:21,100 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:42:21,100 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:42:21,101 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:42:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:42:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:42:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:42:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:42:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:42:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:42:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:42:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:42:21,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:42:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:42:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:42:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:42:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:42:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:42:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:42:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:42:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:42:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:42:21,137 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:42:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:42:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:42:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:42:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:42:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:42:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:42:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:42:21,138 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:42:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:42:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:42:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:42:21,139 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:42:21,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:42:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:42:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:42:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:42:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:42:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:42:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:42:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:42:21,140 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:42:21,140 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:42:21,558 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:42:21,558 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:42:21,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:42:21 BoogieIcfgContainer [2018-11-28 12:42:21,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:42:21,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:42:21,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:42:21,561 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:42:21,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:42:20" (1/3) ... [2018-11-28 12:42:21,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755a6e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:42:21, skipping insertion in model container [2018-11-28 12:42:21,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:42:21" (2/3) ... [2018-11-28 12:42:21,562 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@755a6e10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:42:21, skipping insertion in model container [2018-11-28 12:42:21,562 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:42:21" (3/3) ... [2018-11-28 12:42:21,563 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product04_true-unreach-call_false-termination.cil.c [2018-11-28 12:42:21,569 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:42:21,575 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:42:21,584 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:42:21,604 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:42:21,605 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:42:21,605 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:42:21,605 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:42:21,605 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:42:21,605 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:42:21,605 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:42:21,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:42:21,606 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:42:21,620 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2018-11-28 12:42:21,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:42:21,626 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:42:21,626 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 12:42:21,628 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:42:21,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:21,632 INFO L82 PathProgramCache]: Analyzing trace with hash -222364740, now seen corresponding path program 1 times [2018-11-28 12:42:21,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:21,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:21,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:21,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:21,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:21,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:42:21,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:42:21,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:42:21,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:42:21,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:42:21,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:42:21,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:42:21,826 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2018-11-28 12:42:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:42:21,850 INFO L93 Difference]: Finished difference Result 188 states and 233 transitions. [2018-11-28 12:42:21,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:42:21,851 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:42:21,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:42:21,859 INFO L225 Difference]: With dead ends: 188 [2018-11-28 12:42:21,859 INFO L226 Difference]: Without dead ends: 94 [2018-11-28 12:42:21,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:42:21,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-28 12:42:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-28 12:42:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-28 12:42:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 108 transitions. [2018-11-28 12:42:21,891 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 108 transitions. Word has length 46 [2018-11-28 12:42:21,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:42:21,892 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 108 transitions. [2018-11-28 12:42:21,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:42:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 108 transitions. [2018-11-28 12:42:21,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:42:21,893 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:42:21,893 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 12:42:21,894 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:42:21,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:21,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1220321971, now seen corresponding path program 1 times [2018-11-28 12:42:21,894 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:21,894 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:21,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:21,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:21,895 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:42:21,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:42:21,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:42:21,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:42:21,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:42:21,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:42:21,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:42:21,969 INFO L87 Difference]: Start difference. First operand 94 states and 108 transitions. Second operand 3 states. [2018-11-28 12:42:21,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:42:21,983 INFO L93 Difference]: Finished difference Result 124 states and 141 transitions. [2018-11-28 12:42:21,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:42:21,984 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:42:21,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:42:21,985 INFO L225 Difference]: With dead ends: 124 [2018-11-28 12:42:21,985 INFO L226 Difference]: Without dead ends: 85 [2018-11-28 12:42:21,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:42:21,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-28 12:42:21,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-28 12:42:21,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-28 12:42:21,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2018-11-28 12:42:21,993 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 47 [2018-11-28 12:42:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:42:21,993 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2018-11-28 12:42:21,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:42:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2018-11-28 12:42:21,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:42:21,995 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:42:21,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:42:21,995 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:42:21,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:21,995 INFO L82 PathProgramCache]: Analyzing trace with hash 161305573, now seen corresponding path program 1 times [2018-11-28 12:42:21,995 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:21,995 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:21,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:21,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:21,996 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:22,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:42:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:42:22,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:42:22,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:42:22,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:42:22,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:42:22,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:42:22,116 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 7 states. [2018-11-28 12:42:22,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:42:22,383 INFO L93 Difference]: Finished difference Result 257 states and 308 transitions. [2018-11-28 12:42:22,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:42:22,383 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 12:42:22,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:42:22,385 INFO L225 Difference]: With dead ends: 257 [2018-11-28 12:42:22,385 INFO L226 Difference]: Without dead ends: 196 [2018-11-28 12:42:22,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:42:22,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-11-28 12:42:22,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 172. [2018-11-28 12:42:22,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-11-28 12:42:22,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 204 transitions. [2018-11-28 12:42:22,404 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 204 transitions. Word has length 52 [2018-11-28 12:42:22,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:42:22,404 INFO L480 AbstractCegarLoop]: Abstraction has 172 states and 204 transitions. [2018-11-28 12:42:22,405 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:42:22,405 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 204 transitions. [2018-11-28 12:42:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-28 12:42:22,406 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:42:22,406 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] [2018-11-28 12:42:22,406 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:42:22,407 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:22,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1645610747, now seen corresponding path program 1 times [2018-11-28 12:42:22,407 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:22,407 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:22,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:22,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:22,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:42:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:42:22,514 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:42:22,514 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:42:22,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:42:22,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:42:22,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:42:22,515 INFO L87 Difference]: Start difference. First operand 172 states and 204 transitions. Second operand 6 states. [2018-11-28 12:42:22,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:42:22,678 INFO L93 Difference]: Finished difference Result 453 states and 560 transitions. [2018-11-28 12:42:22,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:42:22,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2018-11-28 12:42:22,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:42:22,681 INFO L225 Difference]: With dead ends: 453 [2018-11-28 12:42:22,682 INFO L226 Difference]: Without dead ends: 305 [2018-11-28 12:42:22,683 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:42:22,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-11-28 12:42:22,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 299. [2018-11-28 12:42:22,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-11-28 12:42:22,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 358 transitions. [2018-11-28 12:42:22,710 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 358 transitions. Word has length 55 [2018-11-28 12:42:22,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:42:22,711 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 358 transitions. [2018-11-28 12:42:22,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:42:22,711 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 358 transitions. [2018-11-28 12:42:22,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 12:42:22,713 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:42:22,713 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] [2018-11-28 12:42:22,716 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:42:22,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:42:22,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1992415049, now seen corresponding path program 1 times [2018-11-28 12:42:22,717 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:42:22,717 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:42:22,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:22,718 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:42:22,718 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:42:22,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:42:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:42:22,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:42:22,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:42:22,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:42:22,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:42:22,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:42:22,813 INFO L87 Difference]: Start difference. First operand 299 states and 358 transitions. Second operand 6 states. [2018-11-28 12:42:22,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:42:22,945 INFO L93 Difference]: Finished difference Result 545 states and 668 transitions. [2018-11-28 12:42:22,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:42:22,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 12:42:22,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:42:22,946 INFO L225 Difference]: With dead ends: 545 [2018-11-28 12:42:22,946 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:42:22,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:42:22,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:42:22,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:42:22,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:42:22,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:42:22,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2018-11-28 12:42:22,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:42:22,950 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:42:22,950 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:42:22,950 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:42:22,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:42:22,954 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:42:23,306 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 174 181) the Hoare annotation is: true [2018-11-28 12:42:23,307 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 174 181) no Hoare annotation was computed. [2018-11-28 12:42:23,307 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 174 181) no Hoare annotation was computed. [2018-11-28 12:42:23,307 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 159 165) no Hoare annotation was computed. [2018-11-28 12:42:23,307 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 159 165) the Hoare annotation is: true [2018-11-28 12:42:23,307 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 730 736) the Hoare annotation is: true [2018-11-28 12:42:23,307 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 730 736) no Hoare annotation was computed. [2018-11-28 12:42:23,307 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-28 12:42:23,307 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 737 745) the Hoare annotation is: true [2018-11-28 12:42:23,308 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-28 12:42:23,308 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,308 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 55 122) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,308 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 110) no Hoare annotation was computed. [2018-11-28 12:42:23,308 INFO L444 ceAbstractionStarter]: At program point L87(line 87) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,308 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 55 122) no Hoare annotation was computed. [2018-11-28 12:42:23,309 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 91) no Hoare annotation was computed. [2018-11-28 12:42:23,309 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2018-11-28 12:42:23,309 INFO L444 ceAbstractionStarter]: At program point L112(lines 65 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,309 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,309 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-28 12:42:23,309 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-28 12:42:23,309 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 71) no Hoare annotation was computed. [2018-11-28 12:42:23,310 INFO L444 ceAbstractionStarter]: At program point L115(lines 64 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,310 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,310 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-11-28 12:42:23,310 INFO L444 ceAbstractionStarter]: At program point L103-1(lines 95 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,310 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 55 122) no Hoare annotation was computed. [2018-11-28 12:42:23,310 INFO L448 ceAbstractionStarter]: For program point L66(lines 65 114) no Hoare annotation was computed. [2018-11-28 12:42:23,310 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 845 867) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,311 INFO L444 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,311 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 845 867) no Hoare annotation was computed. [2018-11-28 12:42:23,311 INFO L444 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= main_~tmp~5 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,311 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 862) no Hoare annotation was computed. [2018-11-28 12:42:23,311 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 855 862) no Hoare annotation was computed. [2018-11-28 12:42:23,311 INFO L448 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2018-11-28 12:42:23,311 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,311 INFO L444 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,312 INFO L444 ceAbstractionStarter]: At program point L851-1(line 851) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,312 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 845 867) no Hoare annotation was computed. [2018-11-28 12:42:23,312 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 238 252) no Hoare annotation was computed. [2018-11-28 12:42:23,312 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 238 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 12:42:23,312 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 238 252) no Hoare annotation was computed. [2018-11-28 12:42:23,312 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 12:42:23,312 INFO L448 ceAbstractionStarter]: For program point L242(lines 242 248) no Hoare annotation was computed. [2018-11-28 12:42:23,312 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 193 201) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 193 201) the Hoare annotation is: true [2018-11-28 12:42:23,313 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 193 201) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:42:23,313 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 655 666) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,313 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 655 666) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L448 ceAbstractionStarter]: For program point L659-1(lines 655 666) no Hoare annotation was computed. [2018-11-28 12:42:23,313 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 667 675) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 667 675) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 667 675) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 774 803) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L451 ceAbstractionStarter]: At program point L799(lines 774 803) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 774 803) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point L795(line 795) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point L788(lines 788 792) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L451 ceAbstractionStarter]: At program point L788-1(lines 788 792) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point L785(line 785) no Hoare annotation was computed. [2018-11-28 12:42:23,314 INFO L451 ceAbstractionStarter]: At program point L784-2(lines 784 798) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L451 ceAbstractionStarter]: At program point L780(line 780) the Hoare annotation is: true [2018-11-28 12:42:23,314 INFO L448 ceAbstractionStarter]: For program point L780-1(line 780) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-28 12:42:23,315 INFO L451 ceAbstractionStarter]: At program point L146(lines 146 152) the Hoare annotation is: true [2018-11-28 12:42:23,315 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 135 158) the Hoare annotation is: true [2018-11-28 12:42:23,315 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point L139(lines 138 157) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 135 158) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 135 158) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 631 642) the Hoare annotation is: true [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point L635-1(lines 631 642) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 631 642) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 723 729) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 723 729) the Hoare annotation is: true [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 828 834) no Hoare annotation was computed. [2018-11-28 12:42:23,315 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 828 834) the Hoare annotation is: true [2018-11-28 12:42:23,315 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-28 12:42:23,316 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:42:23,316 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 253 260) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 253 260) the Hoare annotation is: true [2018-11-28 12:42:23,316 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 253 260) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 643 654) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L448 ceAbstractionStarter]: For program point L647-1(lines 643 654) no Hoare annotation was computed. [2018-11-28 12:42:23,316 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 643 654) the Hoare annotation is: true [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 12:42:23,317 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 12:42:23,317 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 835 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 835 844) no Hoare annotation was computed. [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 835 844) no Hoare annotation was computed. [2018-11-28 12:42:23,317 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 747 771) the Hoare annotation is: true [2018-11-28 12:42:23,317 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 12:42:23,317 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 747 771) no Hoare annotation was computed. [2018-11-28 12:42:23,318 INFO L448 ceAbstractionStarter]: For program point L759(lines 759 765) no Hoare annotation was computed. [2018-11-28 12:42:23,318 INFO L444 ceAbstractionStarter]: At program point L757(line 757) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:42:23,318 INFO L448 ceAbstractionStarter]: For program point L757-1(line 757) no Hoare annotation was computed. [2018-11-28 12:42:23,318 INFO L448 ceAbstractionStarter]: For program point L755(lines 755 768) no Hoare annotation was computed. [2018-11-28 12:42:23,318 INFO L448 ceAbstractionStarter]: For program point L755-1(lines 747 771) no Hoare annotation was computed. [2018-11-28 12:42:23,318 INFO L451 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: true [2018-11-28 12:42:23,318 INFO L448 ceAbstractionStarter]: For program point L753-1(line 753) no Hoare annotation was computed. [2018-11-28 12:42:23,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:42:23 BoogieIcfgContainer [2018-11-28 12:42:23,332 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:42:23,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:42:23,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:42:23,333 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:42:23,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:42:21" (3/4) ... [2018-11-28 12:42:23,339 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:42:23,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:42:23,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:42:23,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:42:23,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:42:23,344 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:42:23,345 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:42:23,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 12:42:23,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:42:23,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:42:23,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:42:23,346 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:42:23,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-11-28 12:42:23,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:42:23,352 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:42:23,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:42:23,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:42:23,353 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:42:23,389 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:42:23,390 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:42:23,421 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2a41929-7032-4845-b5c1-c6996c77655e/bin-2019/uautomizer/witness.graphml [2018-11-28 12:42:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:42:23,422 INFO L168 Benchmark]: Toolchain (without parser) took 2704.14 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.8 MB). Free memory was 954.9 MB in the beginning and 1.2 GB in the end (delta: -267.1 MB). Peak memory consumption was 297.9 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,423 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:42:23,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:42:23,424 INFO L168 Benchmark]: Boogie Preprocessor took 26.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,424 INFO L168 Benchmark]: RCFGBuilder took 458.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,425 INFO L168 Benchmark]: TraceAbstraction took 1773.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.6 MB in the end (delta: 270.3 MB). Peak memory consumption was 270.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,425 INFO L168 Benchmark]: Witness Printer took 89.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 826.6 MB in the beginning and 1.2 GB in the end (delta: -395.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:42:23,426 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 458.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.4 MB). Peak memory consumption was 45.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1773.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 826.6 MB in the end (delta: 270.3 MB). Peak memory consumption was 270.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.42 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 75.0 MB). Free memory was 826.6 MB in the beginning and 1.2 GB in the end (delta: -395.4 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 65]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 784]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 107 locations, 1 error locations. SAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 511 SDtfs, 292 SDslu, 968 SDs, 0 SdLazy, 243 SolverSat, 50 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred 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, 30 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 308 PreInvPairs, 351 NumberOfFragments, 406 HoareAnnotationTreeSize, 308 FomulaSimplifications, 343 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 1233 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 259 NumberOfCodeBlocks, 259 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 254 ConstructedInterpolants, 0 QuantifiedInterpolants, 24632 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...