./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_product19_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 db72a434ba2554f10f7540a58e5ab1c726dc8fbe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:43:16,614 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:43:16,615 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:43:16,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:43:16,629 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:43:16,630 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:43:16,631 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:43:16,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:43:16,635 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:43:16,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:43:16,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:43:16,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:43:16,638 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:43:16,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:43:16,640 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:43:16,640 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:43:16,641 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:43:16,643 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:43:16,645 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:43:16,647 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:43:16,648 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:43:16,649 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:43:16,652 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:43:16,652 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:43:16,652 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:43:16,653 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:43:16,654 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:43:16,655 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:43:16,656 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:43:16,657 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:43:16,657 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:43:16,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:43:16,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:43:16,658 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:43:16,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:43:16,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:43:16,660 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:43:16,675 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:43:16,675 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:43:16,676 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:43:16,677 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:43:16,677 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:43:16,677 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:43:16,677 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:43:16,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:43:16,678 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:43:16,678 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:43:16,678 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:43:16,678 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:43:16,679 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:43:16,680 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:43:16,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:43:16,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:43:16,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:43:16,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:43:16,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:43:16,681 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:43:16,681 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:43:16,681 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:43:16,681 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:43:16,681 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:43:16,682 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:43:16,682 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 -> db72a434ba2554f10f7540a58e5ab1c726dc8fbe [2018-11-28 18:43:16,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:43:16,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:43:16,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:43:16,745 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:43:16,746 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:43:16,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:16,805 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531c1eac2/5fdc7714f36f4457a4db1de7e2f05f5e/FLAGd912ff306 [2018-11-28 18:43:17,334 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:43:17,336 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:17,362 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531c1eac2/5fdc7714f36f4457a4db1de7e2f05f5e/FLAGd912ff306 [2018-11-28 18:43:17,661 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/531c1eac2/5fdc7714f36f4457a4db1de7e2f05f5e [2018-11-28 18:43:17,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:43:17,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:43:17,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:17,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:43:17,672 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:43:17,673 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:17" (1/1) ... [2018-11-28 18:43:17,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e34a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:17, skipping insertion in model container [2018-11-28 18:43:17,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:43:17" (1/1) ... [2018-11-28 18:43:17,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:43:17,752 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:43:18,132 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:18,162 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:43:18,277 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:43:18,323 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:43:18,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18 WrapperNode [2018-11-28 18:43:18,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:43:18,325 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:18,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:43:18,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:43:18,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,438 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:43:18,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:43:18,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:43:18,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:43:18,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,473 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (1/1) ... [2018-11-28 18:43:18,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:43:18,480 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:43:18,480 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:43:18,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:43:18,481 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (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 18:43:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:43:18,538 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:43:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:43:18,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:43:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:43:18,538 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:43:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:43:18,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:43:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:43:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:43:18,539 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:43:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:43:18,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:43:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:43:18,540 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:43:18,540 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:43:18,540 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:43:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:43:18,541 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:43:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:43:18,541 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:43:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:43:18,541 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:43:18,541 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:43:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:43:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:43:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:43:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:43:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:43:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:43:18,542 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:43:18,542 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:43:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:43:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:43:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:43:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:43:18,543 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:43:18,543 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:43:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:43:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:43:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:43:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:43:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:43:18,544 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:43:18,544 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:43:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:43:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:43:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:43:18,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:18,545 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:19,497 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:43:19,497 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:43:19,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:19 BoogieIcfgContainer [2018-11-28 18:43:19,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:43:19,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:43:19,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:43:19,504 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:43:19,505 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:43:17" (1/3) ... [2018-11-28 18:43:19,506 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fdf362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:19, skipping insertion in model container [2018-11-28 18:43:19,506 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:43:18" (2/3) ... [2018-11-28 18:43:19,507 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62fdf362 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:43:19, skipping insertion in model container [2018-11-28 18:43:19,507 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:19" (3/3) ... [2018-11-28 18:43:19,510 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:43:19,522 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:43:19,531 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:43:19,550 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:43:19,585 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:43:19,586 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:43:19,586 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:43:19,587 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:43:19,587 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:43:19,587 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:43:19,588 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:43:19,588 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:43:19,588 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:43:19,612 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 18:43:19,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:43:19,623 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:19,624 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 18:43:19,628 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:19,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:19,634 INFO L82 PathProgramCache]: Analyzing trace with hash -1500228557, now seen corresponding path program 1 times [2018-11-28 18:43:19,637 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:19,637 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:19,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:19,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:19,693 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:19,977 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 18:43:19,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:19,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:43:19,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:43:19,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:43:19,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:43:19,999 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 18:43:20,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:20,046 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 18:43:20,046 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:43:20,048 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:43:20,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:20,062 INFO L225 Difference]: With dead ends: 220 [2018-11-28 18:43:20,063 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:43:20,067 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 18:43:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:43:20,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:43:20,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:43:20,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 18:43:20,131 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 18:43:20,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:20,132 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 18:43:20,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:43:20,132 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 18:43:20,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:43:20,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:20,136 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 18:43:20,136 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:20,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:20,137 INFO L82 PathProgramCache]: Analyzing trace with hash -37970742, now seen corresponding path program 1 times [2018-11-28 18:43:20,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:20,137 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:20,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:20,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:20,354 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 18:43:20,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:20,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:43:20,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:43:20,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:43:20,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:43:20,358 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 18:43:20,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:20,400 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 18:43:20,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:43:20,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:43:20,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:20,408 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:43:20,409 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 18:43:20,411 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 18:43:20,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 18:43:20,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 18:43:20,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:43:20,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 18:43:20,439 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 18:43:20,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:20,439 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 18:43:20,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:43:20,439 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 18:43:20,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:43:20,446 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:20,447 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 18:43:20,447 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:20,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:20,448 INFO L82 PathProgramCache]: Analyzing trace with hash 83305199, now seen corresponding path program 1 times [2018-11-28 18:43:20,448 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:20,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:20,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:20,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:20,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:20,793 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 18:43:20,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:20,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:20,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:20,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:20,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:20,796 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 18:43:21,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:21,841 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 18:43:21,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:43:21,841 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:43:21,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:21,846 INFO L225 Difference]: With dead ends: 305 [2018-11-28 18:43:21,847 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 18:43:21,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:43:21,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 18:43:21,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 18:43:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:43:21,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 18:43:21,882 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 18:43:21,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:21,882 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 18:43:21,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:21,883 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 18:43:21,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:43:21,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:21,885 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 18:43:21,886 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:21,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:21,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1498984626, now seen corresponding path program 1 times [2018-11-28 18:43:21,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:21,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:21,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:21,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:22,064 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 18:43:22,065 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:22,065 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:43:22,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:43:22,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:43:22,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:43:22,066 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 6 states. [2018-11-28 18:43:22,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:22,733 INFO L93 Difference]: Finished difference Result 597 states and 746 transitions. [2018-11-28 18:43:22,734 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:22,734 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 18:43:22,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:22,740 INFO L225 Difference]: With dead ends: 597 [2018-11-28 18:43:22,740 INFO L226 Difference]: Without dead ends: 401 [2018-11-28 18:43:22,742 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 18:43:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-28 18:43:22,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-28 18:43:22,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-28 18:43:22,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2018-11-28 18:43:22,844 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2018-11-28 18:43:22,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:22,848 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2018-11-28 18:43:22,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:43:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2018-11-28 18:43:22,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:43:22,859 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:43:22,859 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 18:43:22,859 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:43:22,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:43:22,860 INFO L82 PathProgramCache]: Analyzing trace with hash 449829746, now seen corresponding path program 1 times [2018-11-28 18:43:22,860 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:43:22,860 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:43:22,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:22,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:43:22,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:43:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:43:23,421 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 18:43:23,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:43:23,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:43:23,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:43:23,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:43:23,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:43:23,423 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 7 states. [2018-11-28 18:43:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:43:24,023 INFO L93 Difference]: Finished difference Result 661 states and 832 transitions. [2018-11-28 18:43:24,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:43:24,025 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 18:43:24,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:43:24,026 INFO L225 Difference]: With dead ends: 661 [2018-11-28 18:43:24,026 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:43:24,031 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:43:24,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:43:24,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:43:24,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:43:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:43:24,032 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2018-11-28 18:43:24,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:43:24,032 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:43:24,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:43:24,032 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:43:24,032 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:43:24,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:43:24,446 WARN L180 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 9 [2018-11-28 18:43:25,002 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 7 [2018-11-28 18:43:25,767 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 4 [2018-11-28 18:43:26,032 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 7 [2018-11-28 18:43:26,178 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 747 754) the Hoare annotation is: true [2018-11-28 18:43:26,179 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 747 754) no Hoare annotation was computed. [2018-11-28 18:43:26,179 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 747 754) no Hoare annotation was computed. [2018-11-28 18:43:26,179 INFO L444 ceAbstractionStarter]: At program point L733(line 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,179 INFO L448 ceAbstractionStarter]: For program point L733-1(lines 714 738) no Hoare annotation was computed. [2018-11-28 18:43:26,179 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,179 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 714 738) no Hoare annotation was computed. [2018-11-28 18:43:26,180 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,180 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 714 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,180 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 730) no Hoare annotation was computed. [2018-11-28 18:43:26,180 INFO L444 ceAbstractionStarter]: At program point L720(line 720) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-28 18:43:26,180 INFO L448 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2018-11-28 18:43:26,180 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 735) no Hoare annotation was computed. [2018-11-28 18:43:26,180 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 560 566) the Hoare annotation is: true [2018-11-28 18:43:26,180 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 560 566) no Hoare annotation was computed. [2018-11-28 18:43:26,180 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:43:26,183 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 706 712) the Hoare annotation is: true [2018-11-28 18:43:26,183 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 567 575) no Hoare annotation was computed. [2018-11-28 18:43:26,183 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 567 575) the Hoare annotation is: true [2018-11-28 18:43:26,183 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 567 575) no Hoare annotation was computed. [2018-11-28 18:43:26,184 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 846 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,185 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,185 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2018-11-28 18:43:26,185 INFO L444 ceAbstractionStarter]: At program point L892-1(lines 886 899) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,186 INFO L448 ceAbstractionStarter]: For program point L857(lines 856 903) no Hoare annotation was computed. [2018-11-28 18:43:26,186 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 846 911) no Hoare annotation was computed. [2018-11-28 18:43:26,186 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 899) no Hoare annotation was computed. [2018-11-28 18:43:26,186 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,186 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 882) no Hoare annotation was computed. [2018-11-28 18:43:26,186 INFO L448 ceAbstractionStarter]: For program point L876-1(lines 876 882) no Hoare annotation was computed. [2018-11-28 18:43:26,186 INFO L444 ceAbstractionStarter]: At program point L901(lines 856 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,187 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,189 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-11-28 18:43:26,190 INFO L448 ceAbstractionStarter]: For program point L866-1(lines 866 872) no Hoare annotation was computed. [2018-11-28 18:43:26,190 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 862) no Hoare annotation was computed. [2018-11-28 18:43:26,190 INFO L444 ceAbstractionStarter]: At program point L904(lines 855 905) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,190 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 846 911) no Hoare annotation was computed. [2018-11-28 18:43:26,190 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 652 674) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,190 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 652 674) no Hoare annotation was computed. [2018-11-28 18:43:26,191 INFO L444 ceAbstractionStarter]: At program point L664(line 664) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,191 INFO L444 ceAbstractionStarter]: At program point L664-1(line 664) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,191 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 669) no Hoare annotation was computed. [2018-11-28 18:43:26,191 INFO L448 ceAbstractionStarter]: For program point L662-1(lines 662 669) no Hoare annotation was computed. [2018-11-28 18:43:26,191 INFO L448 ceAbstractionStarter]: For program point L660(line 660) no Hoare annotation was computed. [2018-11-28 18:43:26,191 INFO L444 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,191 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,191 INFO L444 ceAbstractionStarter]: At program point L658-1(line 658) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,191 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 652 674) no Hoare annotation was computed. [2018-11-28 18:43:26,191 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 830 844) no Hoare annotation was computed. [2018-11-28 18:43:26,192 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 830 844) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-28 18:43:26,195 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 830 844) no Hoare annotation was computed. [2018-11-28 18:43:26,195 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:26,195 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 840) no Hoare annotation was computed. [2018-11-28 18:43:26,195 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 766 774) no Hoare annotation was computed. [2018-11-28 18:43:26,195 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 766 774) the Hoare annotation is: true [2018-11-28 18:43:26,195 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 766 774) no Hoare annotation was computed. [2018-11-28 18:43:26,195 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 163 171) the Hoare annotation is: true [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point L818-1(line 818) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 811 829) the Hoare annotation is: true [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 811 829) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L448 ceAbstractionStarter]: For program point L820(lines 820 824) no Hoare annotation was computed. [2018-11-28 18:43:26,196 INFO L451 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: true [2018-11-28 18:43:26,197 INFO L448 ceAbstractionStarter]: For program point L820-2(lines 820 824) no Hoare annotation was computed. [2018-11-28 18:43:26,197 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 811 829) no Hoare annotation was computed. [2018-11-28 18:43:26,197 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-28 18:43:26,197 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~methaneLevelCritical~0)| 0)) (= 0 ~methaneLevelCritical~0)) [2018-11-28 18:43:26,197 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-28 18:43:26,197 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-28 18:43:26,197 INFO L444 ceAbstractionStarter]: At program point L693(lines 693 699) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,197 INFO L444 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-28 18:43:26,198 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 682 705) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point L686(lines 685 704) no Hoare annotation was computed. [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 682 705) no Hoare annotation was computed. [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 682 705) no Hoare annotation was computed. [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2018-11-28 18:43:26,198 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2018-11-28 18:43:26,198 INFO L451 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-28 18:43:26,198 INFO L448 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2018-11-28 18:43:26,199 INFO L451 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2018-11-28 18:43:26,199 INFO L448 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-11-28 18:43:26,199 INFO L451 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2018-11-28 18:43:26,199 INFO L451 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2018-11-28 18:43:26,199 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-28 18:43:26,199 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-28 18:43:26,199 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-28 18:43:26,199 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-28 18:43:26,199 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-28 18:43:26,199 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-28 18:43:26,200 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-28 18:43:26,200 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 553 559) no Hoare annotation was computed. [2018-11-28 18:43:26,200 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 553 559) the Hoare annotation is: true [2018-11-28 18:43:26,200 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 634 640) no Hoare annotation was computed. [2018-11-28 18:43:26,200 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 634 640) the Hoare annotation is: true [2018-11-28 18:43:26,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,200 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 18:43:26,200 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-28 18:43:26,201 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: true [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-28 18:43:26,201 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-11-28 18:43:26,201 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-11-28 18:43:26,202 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 642 651) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:43:26,202 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 642 651) no Hoare annotation was computed. [2018-11-28 18:43:26,202 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 642 651) no Hoare annotation was computed. [2018-11-28 18:43:26,202 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-28 18:43:26,202 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-28 18:43:26,202 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-28 18:43:26,202 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-28 18:43:26,202 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:43:26,203 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-28 18:43:26,203 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-28 18:43:26,203 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-28 18:43:26,203 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-28 18:43:26,203 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-28 18:43:26,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:43:26 BoogieIcfgContainer [2018-11-28 18:43:26,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:43:26,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:43:26,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:43:26,224 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:43:26,227 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:43:19" (3/4) ... [2018-11-28 18:43:26,231 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:43:26,239 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:43:26,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:43:26,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:43:26,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:43:26,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:43:26,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:43:26,242 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 18:43:26,256 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:43:26,257 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:43:26,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:43:26,258 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:43:26,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:43:26,259 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:43:26,295 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 18:43:26,296 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:43:26,372 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:43:26,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:43:26,373 INFO L168 Benchmark]: Toolchain (without parser) took 8708.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 203.9 MB). Free memory was 946.0 MB in the beginning and 1.1 GB in the end (delta: -145.2 MB). Peak memory consumption was 58.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:26,374 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:43:26,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.69 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:26,375 INFO L168 Benchmark]: Boogie Procedure Inliner took 113.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:26,375 INFO L168 Benchmark]: Boogie Preprocessor took 41.73 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 18:43:26,375 INFO L168 Benchmark]: RCFGBuilder took 1017.95 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:26,376 INFO L168 Benchmark]: TraceAbstraction took 6723.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.3 MB). Peak memory consumption was 281.3 MB. Max. memory is 11.5 GB. [2018-11-28 18:43:26,376 INFO L168 Benchmark]: Witness Printer took 148.24 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 18:43:26,378 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 657.69 ms. Allocated memory is still 1.0 GB. Free memory was 946.0 MB in the beginning and 919.1 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 113.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -202.0 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.73 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 1017.95 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: 44.6 MB). Peak memory consumption was 44.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6723.81 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 70.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -22.3 MB). Peak memory consumption was 281.3 MB. Max. memory is 11.5 GB. * Witness Printer took 148.24 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: 73]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (\old(pumpRunning) == pumpRunning && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 606 SDtfs, 349 SDslu, 1175 SDs, 0 SdLazy, 389 SolverSat, 65 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, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 436 PreInvPairs, 481 NumberOfFragments, 479 HoareAnnotationTreeSize, 436 FomulaSimplifications, 397 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 1804 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 25527 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...