./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 18:43:51,084 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:51,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:51,103 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:51,104 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:51,105 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:51,107 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:51,109 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:51,112 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:51,113 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:51,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:51,115 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:51,116 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:51,117 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:51,121 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:51,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:51,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:51,133 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:51,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:51,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:51,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:51,142 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:51,146 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:51,147 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:51,147 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:51,148 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:51,149 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:51,149 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:51,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:51,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:51,154 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:51,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:51,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:51,156 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:51,157 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:51,158 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:51,158 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:51,184 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:51,185 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:51,186 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:51,186 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:51,187 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:51,187 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:51,187 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:51,187 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:51,187 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:51,188 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:51,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:51,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:51,190 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:51,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:51,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:51,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:51,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:51,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:51,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:51,191 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:51,191 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:51,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:51,192 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:51,193 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:51,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:51,193 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> a1a21aefc4c753e09e9929a8ce94ea29dee7cc72 [2018-11-28 18:43:51,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:51,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:51,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:51,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:51,252 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:51,253 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:51,309 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193c49317/194b0dedb05e4d0e9afbba01bd7af9e1/FLAG31c326c66 [2018-11-28 18:43:51,817 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:51,818 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:51,846 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193c49317/194b0dedb05e4d0e9afbba01bd7af9e1/FLAG31c326c66 [2018-11-28 18:43:52,113 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/193c49317/194b0dedb05e4d0e9afbba01bd7af9e1 [2018-11-28 18:43:52,117 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:52,119 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:52,120 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:52,120 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:52,124 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:52,125 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,128 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18e45167 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52, skipping insertion in model container [2018-11-28 18:43:52,128 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,137 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:52,203 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:52,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:52,619 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:52,711 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:52,833 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:52,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52 WrapperNode [2018-11-28 18:43:52,833 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:52,834 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:52,834 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:52,835 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:52,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:52,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:52,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:52,877 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:52,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,885 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... [2018-11-28 18:43:52,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:52,921 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:52,921 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:52,922 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:52,922 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:43:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:52,977 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:52,977 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:52,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:52,978 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:43:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:43:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:43:52,979 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:43:52,979 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:52,980 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:52,980 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:52,981 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:52,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:52,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:52,984 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:52,984 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:52,985 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:52,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:52,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:53,854 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:53,855 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:53,856 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:53 BoogieIcfgContainer [2018-11-28 18:43:53,856 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:53,857 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:53,857 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:53,861 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:53,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:52" (1/3) ... [2018-11-28 18:43:53,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352111b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:53, skipping insertion in model container [2018-11-28 18:43:53,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:52" (2/3) ... [2018-11-28 18:43:53,863 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@352111b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:53, skipping insertion in model container [2018-11-28 18:43:53,863 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:53" (3/3) ... [2018-11-28 18:43:53,866 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product03_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:53,878 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:53,889 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:53,906 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:53,942 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:53,942 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:53,942 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:53,943 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:53,943 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:53,943 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:53,943 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:53,943 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:53,944 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states. [2018-11-28 18:43:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:53,973 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:53,974 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 18:43:53,976 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:53,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:53,982 INFO L82 PathProgramCache]: Analyzing trace with hash 545354239, now seen corresponding path program 1 times [2018-11-28 18:43:53,984 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:53,984 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:54,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,027 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:54,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:54,305 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 18:43:54,307 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:54,308 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:54,312 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:54,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:54,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:54,332 INFO L87 Difference]: Start difference. First operand 108 states. Second operand 2 states. [2018-11-28 18:43:54,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:54,379 INFO L93 Difference]: Finished difference Result 186 states and 233 transitions. [2018-11-28 18:43:54,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:54,381 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:43:54,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:54,393 INFO L225 Difference]: With dead ends: 186 [2018-11-28 18:43:54,393 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 18:43:54,398 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 18:43:54,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 18:43:54,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 18:43:54,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 18:43:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2018-11-28 18:43:54,455 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2018-11-28 18:43:54,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:54,455 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2018-11-28 18:43:54,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:54,456 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2018-11-28 18:43:54,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:54,459 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:54,459 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 18:43:54,460 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:54,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:54,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1834718227, now seen corresponding path program 1 times [2018-11-28 18:43:54,461 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:54,461 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:54,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:54,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:54,629 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 18:43:54,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:54,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:54,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:54,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:54,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:54,632 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 3 states. [2018-11-28 18:43:54,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:54,656 INFO L93 Difference]: Finished difference Result 126 states and 145 transitions. [2018-11-28 18:43:54,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:54,658 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:43:54,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:54,660 INFO L225 Difference]: With dead ends: 126 [2018-11-28 18:43:54,660 INFO L226 Difference]: Without dead ends: 86 [2018-11-28 18:43:54,662 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 18:43:54,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-11-28 18:43:54,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-11-28 18:43:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-11-28 18:43:54,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2018-11-28 18:43:54,677 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2018-11-28 18:43:54,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:54,678 INFO L480 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2018-11-28 18:43:54,678 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:54,678 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2018-11-28 18:43:54,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 18:43:54,681 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:54,681 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:54,682 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:54,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:54,683 INFO L82 PathProgramCache]: Analyzing trace with hash -1160531133, now seen corresponding path program 1 times [2018-11-28 18:43:54,683 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:54,683 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:54,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:54,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:54,877 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 18:43:54,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:54,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:54,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:54,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:54,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:54,879 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 3 states. [2018-11-28 18:43:54,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:54,940 INFO L93 Difference]: Finished difference Result 197 states and 236 transitions. [2018-11-28 18:43:54,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:54,941 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-11-28 18:43:54,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:54,946 INFO L225 Difference]: With dead ends: 197 [2018-11-28 18:43:54,946 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 18:43:54,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 18:43:54,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 18:43:54,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2018-11-28 18:43:54,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-11-28 18:43:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2018-11-28 18:43:54,974 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 56 [2018-11-28 18:43:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:54,974 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2018-11-28 18:43:54,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:54,974 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2018-11-28 18:43:54,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 18:43:54,978 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:54,978 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 18:43:54,978 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:54,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:54,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1374116147, now seen corresponding path program 1 times [2018-11-28 18:43:54,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:54,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:54,981 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:54,981 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:54,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:55,309 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 18:43:55,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:55,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:55,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:55,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:55,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:55,312 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 6 states. [2018-11-28 18:43:55,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:55,984 INFO L93 Difference]: Finished difference Result 318 states and 396 transitions. [2018-11-28 18:43:55,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:55,986 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2018-11-28 18:43:55,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:55,990 INFO L225 Difference]: With dead ends: 318 [2018-11-28 18:43:55,990 INFO L226 Difference]: Without dead ends: 217 [2018-11-28 18:43:55,992 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:55,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-11-28 18:43:56,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2018-11-28 18:43:56,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-28 18:43:56,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 256 transitions. [2018-11-28 18:43:56,024 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 256 transitions. Word has length 59 [2018-11-28 18:43:56,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:56,025 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 256 transitions. [2018-11-28 18:43:56,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:56,025 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 256 transitions. [2018-11-28 18:43:56,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 18:43:56,029 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:56,029 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:56,030 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:56,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:56,030 INFO L82 PathProgramCache]: Analyzing trace with hash 172863633, now seen corresponding path program 1 times [2018-11-28 18:43:56,030 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:56,030 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:56,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:56,033 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:56,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:56,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:56,172 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 18:43:56,173 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:56,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:56,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:56,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:56,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:56,174 INFO L87 Difference]: Start difference. First operand 213 states and 256 transitions. Second operand 6 states. [2018-11-28 18:43:56,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:56,912 INFO L93 Difference]: Finished difference Result 373 states and 464 transitions. [2018-11-28 18:43:56,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:43:56,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 18:43:56,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:56,915 INFO L225 Difference]: With dead ends: 373 [2018-11-28 18:43:56,915 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:56,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:56,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:56,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:56,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:56,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:56,926 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2018-11-28 18:43:56,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:56,930 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:56,930 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:56,930 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:56,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:56,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:57,235 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 8 [2018-11-28 18:43:57,860 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-28 18:43:57,950 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 92 99) the Hoare annotation is: true [2018-11-28 18:43:57,950 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 92 99) no Hoare annotation was computed. [2018-11-28 18:43:57,950 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 92 99) no Hoare annotation was computed. [2018-11-28 18:43:57,950 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 77 83) no Hoare annotation was computed. [2018-11-28 18:43:57,951 INFO L451 ceAbstractionStarter]: At program point processEnvironmentFINAL(lines 77 83) the Hoare annotation is: true [2018-11-28 18:43:57,951 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 344 350) the Hoare annotation is: true [2018-11-28 18:43:57,951 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 344 350) no Hoare annotation was computed. [2018-11-28 18:43:57,951 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 351 359) no Hoare annotation was computed. [2018-11-28 18:43:57,951 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 351 359) the Hoare annotation is: true [2018-11-28 18:43:57,951 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 351 359) no Hoare annotation was computed. [2018-11-28 18:43:57,951 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 175 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,952 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,952 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 227) no Hoare annotation was computed. [2018-11-28 18:43:57,952 INFO L444 ceAbstractionStarter]: At program point L221-1(lines 215 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,952 INFO L448 ceAbstractionStarter]: For program point L186(lines 185 232) no Hoare annotation was computed. [2018-11-28 18:43:57,952 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 228) no Hoare annotation was computed. [2018-11-28 18:43:57,952 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 175 240) no Hoare annotation was computed. [2018-11-28 18:43:57,952 INFO L444 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,953 INFO L448 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-11-28 18:43:57,953 INFO L448 ceAbstractionStarter]: For program point L205-1(lines 205 211) no Hoare annotation was computed. [2018-11-28 18:43:57,953 INFO L444 ceAbstractionStarter]: At program point L230(lines 185 232) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,953 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,953 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 201) no Hoare annotation was computed. [2018-11-28 18:43:57,953 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 195 201) no Hoare annotation was computed. [2018-11-28 18:43:57,953 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 191) no Hoare annotation was computed. [2018-11-28 18:43:57,954 INFO L444 ceAbstractionStarter]: At program point L233(lines 184 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,954 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 175 240) no Hoare annotation was computed. [2018-11-28 18:43:57,954 INFO L444 ceAbstractionStarter]: At program point L447(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,954 INFO L444 ceAbstractionStarter]: At program point L447-1(line 447) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,954 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 435 457) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,954 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 452) no Hoare annotation was computed. [2018-11-28 18:43:57,954 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 445 452) no Hoare annotation was computed. [2018-11-28 18:43:57,954 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 18:43:57,955 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,955 INFO L444 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,955 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 435 457) no Hoare annotation was computed. [2018-11-28 18:43:57,955 INFO L444 ceAbstractionStarter]: At program point L441-1(line 441) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,955 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 435 457) no Hoare annotation was computed. [2018-11-28 18:43:57,955 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 156 170) no Hoare annotation was computed. [2018-11-28 18:43:57,955 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 166) no Hoare annotation was computed. [2018-11-28 18:43:57,956 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 156 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-28 18:43:57,956 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 156 170) no Hoare annotation was computed. [2018-11-28 18:43:57,956 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:57,956 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 111 119) no Hoare annotation was computed. [2018-11-28 18:43:57,956 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 111 119) the Hoare annotation is: true [2018-11-28 18:43:57,956 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 111 119) no Hoare annotation was computed. [2018-11-28 18:43:57,956 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:57,956 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 835 863) the Hoare annotation is: true [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 854) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L847(lines 847 857) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L444 ceAbstractionStarter]: At program point L845(line 845) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L845-1(line 845) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L843(lines 843 860) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L843-1(lines 835 863) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L451 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-28 18:43:57,957 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 835 863) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 827 834) the Hoare annotation is: true [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 827 834) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 827 834) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point L273-1(lines 269 280) no Hoare annotation was computed. [2018-11-28 18:43:57,958 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 269 280) the Hoare annotation is: (or (= 0 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:57,958 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 269 280) no Hoare annotation was computed. [2018-11-28 18:43:57,959 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2018-11-28 18:43:57,959 INFO L448 ceAbstractionStarter]: For program point L383(line 383) no Hoare annotation was computed. [2018-11-28 18:43:57,959 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 362 391) the Hoare annotation is: true [2018-11-28 18:43:57,959 INFO L448 ceAbstractionStarter]: For program point L376(lines 376 380) no Hoare annotation was computed. [2018-11-28 18:43:57,959 INFO L451 ceAbstractionStarter]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2018-11-28 18:43:57,959 INFO L448 ceAbstractionStarter]: For program point L373(line 373) no Hoare annotation was computed. [2018-11-28 18:43:57,959 INFO L451 ceAbstractionStarter]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2018-11-28 18:43:57,959 INFO L451 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: true [2018-11-28 18:43:57,959 INFO L448 ceAbstractionStarter]: For program point L368-1(line 368) no Hoare annotation was computed. [2018-11-28 18:43:57,960 INFO L451 ceAbstractionStarter]: At program point L387(lines 362 391) the Hoare annotation is: true [2018-11-28 18:43:57,960 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 281 289) the Hoare annotation is: true [2018-11-28 18:43:57,960 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 281 289) no Hoare annotation was computed. [2018-11-28 18:43:57,960 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 281 289) no Hoare annotation was computed. [2018-11-28 18:43:57,960 INFO L451 ceAbstractionStarter]: At program point L64(lines 64 70) the Hoare annotation is: true [2018-11-28 18:43:57,960 INFO L444 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:57,960 INFO L448 ceAbstractionStarter]: For program point L57(lines 56 75) no Hoare annotation was computed. [2018-11-28 18:43:57,960 INFO L451 ceAbstractionStarter]: At program point timeShiftENTRY(lines 53 76) the Hoare annotation is: true [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 53 76) no Hoare annotation was computed. [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 53 76) no Hoare annotation was computed. [2018-11-28 18:43:57,961 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (or (not (= ~systemActive~0 0)) (not (= 0 ~pumpRunning~0))) [2018-11-28 18:43:57,961 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 245 256) the Hoare annotation is: true [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 245 256) no Hoare annotation was computed. [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point L249-1(lines 245 256) no Hoare annotation was computed. [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 337 343) no Hoare annotation was computed. [2018-11-28 18:43:57,961 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 337 343) the Hoare annotation is: true [2018-11-28 18:43:57,961 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 416 422) no Hoare annotation was computed. [2018-11-28 18:43:57,962 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 416 422) the Hoare annotation is: true [2018-11-28 18:43:57,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:57,962 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0))) [2018-11-28 18:43:57,962 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:57,962 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:57,962 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 257 268) no Hoare annotation was computed. [2018-11-28 18:43:57,962 INFO L448 ceAbstractionStarter]: For program point L261-1(lines 257 268) no Hoare annotation was computed. [2018-11-28 18:43:57,962 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 257 268) the Hoare annotation is: true [2018-11-28 18:43:57,963 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 869) no Hoare annotation was computed. [2018-11-28 18:43:57,963 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 865 872) no Hoare annotation was computed. [2018-11-28 18:43:57,963 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 865 872) the Hoare annotation is: true [2018-11-28 18:43:57,963 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 865 872) no Hoare annotation was computed. [2018-11-28 18:43:57,963 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 424 434) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,963 INFO L444 ceAbstractionStarter]: At program point L429(line 429) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-28 18:43:57,963 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 424 434) no Hoare annotation was computed. [2018-11-28 18:43:57,964 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 424 434) no Hoare annotation was computed. [2018-11-28 18:43:57,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:57 BoogieIcfgContainer [2018-11-28 18:43:57,976 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:57,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:57,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:57,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:57,977 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:53" (3/4) ... [2018-11-28 18:43:57,981 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:57,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:57,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:57,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:57,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:57,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:57,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:57,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:57,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:57,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:57,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:57,991 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:57,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:57,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:57,992 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:58,000 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 43 nodes and edges [2018-11-28 18:43:58,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:58,001 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:58,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:58,002 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:58,003 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:58,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:58,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:58,110 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:58,110 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:58,111 INFO L168 Benchmark]: Toolchain (without parser) took 5993.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.3 MB in the beginning and 848.7 MB in the end (delta: 102.7 MB). Peak memory consumption was 240.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,113 INFO L168 Benchmark]: CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:58,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,116 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,117 INFO L168 Benchmark]: Boogie Preprocessor took 44.72 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 18:43:58,117 INFO L168 Benchmark]: RCFGBuilder took 934.83 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,117 INFO L168 Benchmark]: TraceAbstraction took 4119.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.4 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,118 INFO L168 Benchmark]: Witness Printer took 133.46 ms. Allocated memory is still 1.2 GB. Free memory was 855.4 MB in the beginning and 848.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:58,121 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 713.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.4 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -179.8 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 41.75 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.72 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 934.83 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: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4119.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 855.4 MB in the end (delta: 223.3 MB). Peak memory consumption was 223.3 MB. Max. memory is 11.5 GB. * Witness Printer took 133.46 ms. Allocated memory is still 1.2 GB. Free memory was 855.4 MB in the beginning and 848.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 869]: 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: 185]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter == 0)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 362]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 108 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 509 SDtfs, 183 SDslu, 688 SDs, 0 SdLazy, 109 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=213occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 236 PreInvPairs, 265 NumberOfFragments, 398 HoareAnnotationTreeSize, 236 FomulaSimplifications, 194 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 46 FomulaSimplificationsInter, 791 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 28079 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...