./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_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_spec1_product20_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 fdf87a043cfa0322a32123bf9fd837be20929f79 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:43:17,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:17,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:17,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:17,423 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:17,424 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:17,426 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:17,429 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:17,430 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:17,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:17,439 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:17,441 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:17,442 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:17,444 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:17,447 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:17,449 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:17,449 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:17,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:17,457 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:17,459 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:17,460 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:17,461 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:17,464 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:17,465 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:17,465 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:17,467 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:17,468 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:17,470 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:17,473 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:17,475 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:17,475 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:17,476 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:17,476 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:17,476 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:17,478 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:17,479 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:17,479 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:17,506 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:17,507 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:17,507 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:17,511 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:17,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:17,512 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:17,512 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:17,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:17,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:17,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:17,515 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:17,515 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:17,515 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:17,515 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:17,515 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:17,516 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:17,517 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:17,518 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:17,518 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:17,518 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:17,518 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:17,519 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:17,519 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:17,519 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:17,519 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:17,519 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:17,520 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:17,520 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:17,520 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:17,520 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:17,520 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 -> fdf87a043cfa0322a32123bf9fd837be20929f79 [2018-11-28 18:43:17,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:17,577 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:17,583 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:17,585 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:17,585 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:17,586 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:17,649 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108455d3b/37b0438386544522bab2ac7ba35cd2fc/FLAG3ca1ac501 [2018-11-28 18:43:18,215 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:18,216 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:18,233 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108455d3b/37b0438386544522bab2ac7ba35cd2fc/FLAG3ca1ac501 [2018-11-28 18:43:18,495 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/108455d3b/37b0438386544522bab2ac7ba35cd2fc [2018-11-28 18:43:18,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:18,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:18,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:18,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:18,505 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:18,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bce7c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18, skipping insertion in model container [2018-11-28 18:43:18,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:18,585 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:19,017 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:19,049 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:19,232 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:19,272 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:19,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19 WrapperNode [2018-11-28 18:43:19,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:19,274 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:19,274 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:19,274 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:19,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,330 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:19,331 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:19,331 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:19,331 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:19,340 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,346 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,366 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,382 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (1/1) ... [2018-11-28 18:43:19,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:19,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:19,391 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:19,391 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:19,393 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (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 18:43:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:19,454 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:19,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:19,455 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:19,455 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:19,456 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:19,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:19,457 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:19,457 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:19,458 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:19,458 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:19,459 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:19,459 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:43:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:43:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:19,460 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:19,460 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:19,461 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:19,461 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:19,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:19,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:19,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:19,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:19,464 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:19,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:20,462 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:20,463 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:20,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:20 BoogieIcfgContainer [2018-11-28 18:43:20,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:20,464 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:20,464 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:20,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:20,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:18" (1/3) ... [2018-11-28 18:43:20,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa990ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:20, skipping insertion in model container [2018-11-28 18:43:20,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:19" (2/3) ... [2018-11-28 18:43:20,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fa990ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:20, skipping insertion in model container [2018-11-28 18:43:20,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:20" (3/3) ... [2018-11-28 18:43:20,472 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product20_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:20,483 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:20,493 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:20,512 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:20,549 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:20,550 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:20,550 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:20,551 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:20,551 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:20,551 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:20,551 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:20,551 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:20,551 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:20,586 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-28 18:43:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:20,595 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:20,596 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 18:43:20,599 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:20,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:20,606 INFO L82 PathProgramCache]: Analyzing trace with hash 505036683, now seen corresponding path program 1 times [2018-11-28 18:43:20,608 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:20,609 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:20,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:20,665 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:21,011 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 18:43:21,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:21,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:21,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:21,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:21,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:21,033 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-28 18:43:21,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:21,081 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-28 18:43:21,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:21,085 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:21,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:21,102 INFO L225 Difference]: With dead ends: 228 [2018-11-28 18:43:21,102 INFO L226 Difference]: Without dead ends: 114 [2018-11-28 18:43:21,110 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 18:43:21,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-28 18:43:21,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-28 18:43:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 18:43:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-28 18:43:21,173 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-11-28 18:43:21,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:21,174 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-28 18:43:21,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:21,174 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-28 18:43:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:21,178 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:21,178 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 18:43:21,179 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:21,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:21,179 INFO L82 PathProgramCache]: Analyzing trace with hash 329966359, now seen corresponding path program 1 times [2018-11-28 18:43:21,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:21,180 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:21,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,181 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:21,181 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:21,321 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 18:43:21,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:21,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:21,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:21,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:21,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:21,325 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-11-28 18:43:21,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:21,359 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-11-28 18:43:21,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:21,360 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:21,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:21,363 INFO L225 Difference]: With dead ends: 167 [2018-11-28 18:43:21,363 INFO L226 Difference]: Without dead ends: 105 [2018-11-28 18:43:21,364 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 18:43:21,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-28 18:43:21,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-28 18:43:21,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-28 18:43:21,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-11-28 18:43:21,380 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-11-28 18:43:21,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:21,381 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-11-28 18:43:21,381 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:21,381 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-11-28 18:43:21,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:43:21,384 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:21,384 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 18:43:21,384 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:21,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:21,385 INFO L82 PathProgramCache]: Analyzing trace with hash -234179179, now seen corresponding path program 1 times [2018-11-28 18:43:21,385 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:21,385 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:21,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:21,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:21,654 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 18:43:21,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:21,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:21,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:21,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:21,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:21,658 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-11-28 18:43:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:22,742 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2018-11-28 18:43:22,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:22,743 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 18:43:22,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:22,748 INFO L225 Difference]: With dead ends: 317 [2018-11-28 18:43:22,748 INFO L226 Difference]: Without dead ends: 236 [2018-11-28 18:43:22,750 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:22,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-28 18:43:22,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-11-28 18:43:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-28 18:43:22,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2018-11-28 18:43:22,788 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2018-11-28 18:43:22,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:22,788 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2018-11-28 18:43:22,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2018-11-28 18:43:22,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:22,792 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:22,792 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:22,792 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:22,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:22,793 INFO L82 PathProgramCache]: Analyzing trace with hash 433206479, now seen corresponding path program 1 times [2018-11-28 18:43:22,793 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:22,793 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:22,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:22,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:22,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:23,019 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 18:43:23,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:23,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:23,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:23,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:23,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:23,021 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 6 states. [2018-11-28 18:43:23,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:23,632 INFO L93 Difference]: Finished difference Result 609 states and 758 transitions. [2018-11-28 18:43:23,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:23,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:23,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:23,647 INFO L225 Difference]: With dead ends: 609 [2018-11-28 18:43:23,647 INFO L226 Difference]: Without dead ends: 409 [2018-11-28 18:43:23,652 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:43:23,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-28 18:43:23,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 403. [2018-11-28 18:43:23,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2018-11-28 18:43:23,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 490 transitions. [2018-11-28 18:43:23,755 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 490 transitions. Word has length 57 [2018-11-28 18:43:23,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:23,758 INFO L480 AbstractCegarLoop]: Abstraction has 403 states and 490 transitions. [2018-11-28 18:43:23,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 490 transitions. [2018-11-28 18:43:23,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:23,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:23,771 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:43:23,772 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:23,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:23,772 INFO L82 PathProgramCache]: Analyzing trace with hash 780458739, now seen corresponding path program 1 times [2018-11-28 18:43:23,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:23,773 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:23,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:23,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:23,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:24,022 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 18:43:24,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:24,022 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:24,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:24,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:24,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:24,024 INFO L87 Difference]: Start difference. First operand 403 states and 490 transitions. Second operand 7 states. [2018-11-28 18:43:24,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:24,596 INFO L93 Difference]: Finished difference Result 677 states and 848 transitions. [2018-11-28 18:43:24,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:24,599 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:24,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:24,600 INFO L225 Difference]: With dead ends: 677 [2018-11-28 18:43:24,600 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:24,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:24,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:24,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:24,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:24,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:24,605 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:24,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:24,605 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:24,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:24,605 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:24,606 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:24,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:24,955 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:25,094 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:43:25,513 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2018-11-28 18:43:26,080 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:26,854 WARN L180 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 19 [2018-11-28 18:43:26,869 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 881 887) the Hoare annotation is: true [2018-11-28 18:43:26,870 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 881 887) no Hoare annotation was computed. [2018-11-28 18:43:26,870 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 888 896) no Hoare annotation was computed. [2018-11-28 18:43:26,870 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 888 896) the Hoare annotation is: true [2018-11-28 18:43:26,870 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 888 896) no Hoare annotation was computed. [2018-11-28 18:43:26,870 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 129 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,870 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 129 151) no Hoare annotation was computed. [2018-11-28 18:43:26,870 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,871 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 129 151) no Hoare annotation was computed. [2018-11-28 18:43:26,871 INFO L444 ceAbstractionStarter]: At program point L141-1(line 141) the Hoare annotation is: (or (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,871 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 146) no Hoare annotation was computed. [2018-11-28 18:43:26,871 INFO L448 ceAbstractionStarter]: For program point L139-1(lines 139 146) no Hoare annotation was computed. [2018-11-28 18:43:26,871 INFO L448 ceAbstractionStarter]: For program point L137(line 137) no Hoare annotation was computed. [2018-11-28 18:43:26,871 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,871 INFO L444 ceAbstractionStarter]: At program point L135(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,872 INFO L444 ceAbstractionStarter]: At program point L135-1(line 135) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,872 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 383 397) no Hoare annotation was computed. [2018-11-28 18:43:26,872 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 383 397) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:43:26,872 INFO L444 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:26,872 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 383 397) no Hoare annotation was computed. [2018-11-28 18:43:26,872 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2018-11-28 18:43:26,872 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 319 327) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 319 327) the Hoare annotation is: true [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 319 327) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 364 382) the Hoare annotation is: true [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 364 382) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 377) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L451 ceAbstractionStarter]: At program point L371(line 371) the Hoare annotation is: true [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point L373-2(lines 373 377) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point L371-1(line 371) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 364 382) no Hoare annotation was computed. [2018-11-28 18:43:26,873 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 874 880) no Hoare annotation was computed. [2018-11-28 18:43:26,874 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 874 880) the Hoare annotation is: true [2018-11-28 18:43:26,874 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 116 125) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,874 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 116 125) no Hoare annotation was computed. [2018-11-28 18:43:26,874 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 116 125) no Hoare annotation was computed. [2018-11-28 18:43:26,874 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 300 307) the Hoare annotation is: true [2018-11-28 18:43:26,874 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 300 307) no Hoare annotation was computed. [2018-11-28 18:43:26,874 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 300 307) no Hoare annotation was computed. [2018-11-28 18:43:26,875 INFO L444 ceAbstractionStarter]: At program point L286(line 286) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,875 INFO L448 ceAbstractionStarter]: For program point L286-1(lines 267 291) no Hoare annotation was computed. [2018-11-28 18:43:26,875 INFO L444 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,875 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 267 291) no Hoare annotation was computed. [2018-11-28 18:43:26,875 INFO L444 ceAbstractionStarter]: At program point L277(line 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,875 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 267 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,875 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 283) no Hoare annotation was computed. [2018-11-28 18:43:26,875 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,876 INFO L448 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2018-11-28 18:43:26,876 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 288) no Hoare annotation was computed. [2018-11-28 18:43:26,876 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 259 265) no Hoare annotation was computed. [2018-11-28 18:43:26,876 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 259 265) the Hoare annotation is: true [2018-11-28 18:43:26,876 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 155 222) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,876 INFO L444 ceAbstractionStarter]: At program point L215(lines 164 216) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,876 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 155 222) no Hoare annotation was computed. [2018-11-28 18:43:26,877 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,877 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 209) no Hoare annotation was computed. [2018-11-28 18:43:26,877 INFO L444 ceAbstractionStarter]: At program point L203-1(lines 195 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,877 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 214) no Hoare annotation was computed. [2018-11-28 18:43:26,877 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= test_~splverifierCounter~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,877 INFO L448 ceAbstractionStarter]: For program point L195(lines 195 210) no Hoare annotation was computed. [2018-11-28 18:43:26,877 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,877 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 191) no Hoare annotation was computed. [2018-11-28 18:43:26,878 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 185 191) no Hoare annotation was computed. [2018-11-28 18:43:26,878 INFO L444 ceAbstractionStarter]: At program point L212(lines 165 214) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,878 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point L167(lines 167 171) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 155 222) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 487 495) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 487 495) the Hoare annotation is: true [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 487 495) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,879 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:26,880 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,880 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 434 445) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:26,880 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 434 445) no Hoare annotation was computed. [2018-11-28 18:43:26,880 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 434 445) no Hoare annotation was computed. [2018-11-28 18:43:26,880 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 446 454) the Hoare annotation is: true [2018-11-28 18:43:26,880 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 446 454) no Hoare annotation was computed. [2018-11-28 18:43:26,880 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 446 454) no Hoare annotation was computed. [2018-11-28 18:43:26,880 INFO L444 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:26,880 INFO L444 ceAbstractionStarter]: At program point L246(lines 246 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,881 INFO L444 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:26,881 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 235 258) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point L239(lines 238 257) no Hoare annotation was computed. [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 235 258) no Hoare annotation was computed. [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 235 258) no Hoare annotation was computed. [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-11-28 18:43:26,881 INFO L451 ceAbstractionStarter]: At program point L65-1(lines 65 69) the Hoare annotation is: true [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 51 80) no Hoare annotation was computed. [2018-11-28 18:43:26,881 INFO L448 ceAbstractionStarter]: For program point L62(line 62) no Hoare annotation was computed. [2018-11-28 18:43:26,882 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 51 80) the Hoare annotation is: true [2018-11-28 18:43:26,882 INFO L451 ceAbstractionStarter]: At program point L61-2(lines 61 75) the Hoare annotation is: true [2018-11-28 18:43:26,882 INFO L451 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: true [2018-11-28 18:43:26,882 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-11-28 18:43:26,882 INFO L451 ceAbstractionStarter]: At program point L76(lines 51 80) the Hoare annotation is: true [2018-11-28 18:43:26,882 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-11-28 18:43:26,882 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 410 421) the Hoare annotation is: true [2018-11-28 18:43:26,882 INFO L448 ceAbstractionStarter]: For program point L414-1(lines 410 421) no Hoare annotation was computed. [2018-11-28 18:43:26,882 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 410 421) no Hoare annotation was computed. [2018-11-28 18:43:26,882 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 108 114) no Hoare annotation was computed. [2018-11-28 18:43:26,883 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 108 114) the Hoare annotation is: true [2018-11-28 18:43:26,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,883 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 18:43:26,883 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:26,883 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,883 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 398 405) no Hoare annotation was computed. [2018-11-28 18:43:26,883 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 398 405) the Hoare annotation is: true [2018-11-28 18:43:26,883 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 398 405) no Hoare annotation was computed. [2018-11-28 18:43:26,883 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 422 433) no Hoare annotation was computed. [2018-11-28 18:43:26,884 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 422 433) no Hoare annotation was computed. [2018-11-28 18:43:26,884 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 422 433) the Hoare annotation is: true [2018-11-28 18:43:26,884 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:26,884 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:43:26,884 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:43:26,884 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:43:26,884 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 898 922) the Hoare annotation is: true [2018-11-28 18:43:26,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 898 922) no Hoare annotation was computed. [2018-11-28 18:43:26,885 INFO L444 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:26,885 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 916) no Hoare annotation was computed. [2018-11-28 18:43:26,885 INFO L444 ceAbstractionStarter]: At program point L908(line 908) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:26,885 INFO L448 ceAbstractionStarter]: For program point L908-1(line 908) no Hoare annotation was computed. [2018-11-28 18:43:26,885 INFO L448 ceAbstractionStarter]: For program point L906(lines 906 919) no Hoare annotation was computed. [2018-11-28 18:43:26,885 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 898 922) no Hoare annotation was computed. [2018-11-28 18:43:26,885 INFO L451 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-11-28 18:43:26,885 INFO L448 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-11-28 18:43:26,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:26 BoogieIcfgContainer [2018-11-28 18:43:26,907 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:26,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:26,909 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:26,910 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:26,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:20" (3/4) ... [2018-11-28 18:43:26,914 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:26,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:26,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:26,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:26,922 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:43:26,923 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:26,924 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:26,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:43:26,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:26,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:26,925 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:26,933 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:26,935 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:43:26,936 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:43:26,936 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:26,937 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:26,937 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:26,969 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:26,970 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:27,029 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:27,029 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:27,030 INFO L168 Benchmark]: Toolchain (without parser) took 8531.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -116.0 MB). Peak memory consumption was 91.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:27,031 INFO L168 Benchmark]: CDTParser took 0.15 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 18:43:27,032 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:27,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.10 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 18:43:27,033 INFO L168 Benchmark]: Boogie Preprocessor took 59.74 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 18:43:27,033 INFO L168 Benchmark]: RCFGBuilder took 1072.58 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 18:43:27,033 INFO L168 Benchmark]: TraceAbstraction took 6443.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.6 MB). Peak memory consumption was 274.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:27,034 INFO L168 Benchmark]: Witness Printer took 121.89 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: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:27,037 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 772.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 954.0 MB in the beginning and 1.1 GB in the end (delta: -165.7 MB). Peak memory consumption was 36.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 57.10 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 59.74 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 1072.58 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 6443.08 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.4 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -10.6 MB). Peak memory consumption was 274.5 MB. Max. memory is 11.5 GB. * Witness Printer took 121.89 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: 7.8 MB). Peak memory consumption was 7.8 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: 61]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 165]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 6.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 628 SDtfs, 417 SDslu, 1143 SDs, 0 SdLazy, 411 SolverSat, 112 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=403occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 444 PreInvPairs, 491 NumberOfFragments, 500 HoareAnnotationTreeSize, 444 FomulaSimplifications, 443 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 1838 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 258 ConstructedInterpolants, 0 QuantifiedInterpolants, 25848 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...