./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec2_product14_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 dc3dd4b03388c0e9f3c50c37d63b34457af69f46 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:44:11,670 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:44:11,672 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:44:11,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:44:11,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:44:11,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:44:11,687 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:44:11,688 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:44:11,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:44:11,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:44:11,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:44:11,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:44:11,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:44:11,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:44:11,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:44:11,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:44:11,697 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:44:11,699 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:44:11,701 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:44:11,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:44:11,704 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:44:11,705 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:44:11,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:44:11,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:44:11,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:44:11,709 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:44:11,710 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:44:11,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:44:11,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:44:11,713 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:44:11,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:44:11,714 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:44:11,714 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:44:11,715 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:44:11,716 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:44:11,716 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:44:11,717 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:44:11,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:44:11,733 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:44:11,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:44:11,734 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:44:11,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:44:11,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:44:11,735 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:44:11,736 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:44:11,736 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:44:11,736 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:44:11,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:44:11,737 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:44:11,737 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:44:11,737 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:44:11,737 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:44:11,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:44:11,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:44:11,738 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:44:11,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:44:11,738 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:44:11,739 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:44:11,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:44:11,739 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:44:11,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:44:11,740 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:44:11,740 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:44:11,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:44:11,740 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:44:11,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:44:11,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:44:11,741 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 -> dc3dd4b03388c0e9f3c50c37d63b34457af69f46 [2018-11-28 18:44:11,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:44:11,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:44:11,792 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:44:11,793 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:44:11,794 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:44:11,794 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:11,858 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f09ee63e/4add92f48ca040c2800cb5f58e87560c/FLAG5e3d58a84 [2018-11-28 18:44:12,411 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:44:12,412 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:12,432 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f09ee63e/4add92f48ca040c2800cb5f58e87560c/FLAG5e3d58a84 [2018-11-28 18:44:12,677 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1f09ee63e/4add92f48ca040c2800cb5f58e87560c [2018-11-28 18:44:12,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:44:12,682 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:44:12,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:12,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:44:12,687 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:44:12,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:12" (1/1) ... [2018-11-28 18:44:12,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a903c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:12, skipping insertion in model container [2018-11-28 18:44:12,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:44:12" (1/1) ... [2018-11-28 18:44:12,703 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:44:12,774 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:44:13,083 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:13,112 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:44:13,204 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:44:13,248 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:44:13,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13 WrapperNode [2018-11-28 18:44:13,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:44:13,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:13,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:44:13,251 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:44:13,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,351 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,362 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:44:13,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:44:13,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:44:13,363 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:44:13,374 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,375 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,379 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,379 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,403 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (1/1) ... [2018-11-28 18:44:13,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:44:13,407 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:44:13,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:44:13,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:44:13,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (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 18:44:13,496 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:44:13,499 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:44:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:44:13,500 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:44:13,500 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:44:13,502 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:44:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:44:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:44:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:13,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:13,503 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:13,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:44:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:44:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:44:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:44:13,507 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:44:13,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:44:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:44:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:44:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:44:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:44:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:44:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:44:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:44:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:44:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:44:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:44:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:13,511 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:13,511 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:44:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:44:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:44:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:44:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:44:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:44:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:44:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:44:13,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:44:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:44:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:44:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:44:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:44:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:44:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:44:13,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:44:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:44:14,518 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:44:14,518 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:44:14,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:14 BoogieIcfgContainer [2018-11-28 18:44:14,519 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:44:14,521 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:44:14,521 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:44:14,525 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:44:14,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:44:12" (1/3) ... [2018-11-28 18:44:14,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbd3eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:14, skipping insertion in model container [2018-11-28 18:44:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:44:13" (2/3) ... [2018-11-28 18:44:14,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbd3eeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:44:14, skipping insertion in model container [2018-11-28 18:44:14,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:14" (3/3) ... [2018-11-28 18:44:14,529 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product14_true-unreach-call_false-termination.cil.c [2018-11-28 18:44:14,545 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:44:14,557 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:44:14,578 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:44:14,616 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:44:14,617 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:44:14,617 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:44:14,617 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:44:14,617 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:44:14,618 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:44:14,618 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:44:14,618 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:44:14,618 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:44:14,641 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-28 18:44:14,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:44:14,651 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:14,652 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 18:44:14,655 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:14,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:14,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1229218549, now seen corresponding path program 1 times [2018-11-28 18:44:14,663 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:14,664 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:14,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:14,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:14,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:14,984 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 18:44:14,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:14,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:44:14,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:44:15,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:44:15,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:44:15,012 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-28 18:44:15,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:15,059 INFO L93 Difference]: Finished difference Result 212 states and 265 transitions. [2018-11-28 18:44:15,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:44:15,062 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 18:44:15,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:15,076 INFO L225 Difference]: With dead ends: 212 [2018-11-28 18:44:15,076 INFO L226 Difference]: Without dead ends: 108 [2018-11-28 18:44:15,081 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 18:44:15,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-28 18:44:15,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-28 18:44:15,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-28 18:44:15,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2018-11-28 18:44:15,153 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 51 [2018-11-28 18:44:15,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:15,154 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2018-11-28 18:44:15,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:44:15,154 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2018-11-28 18:44:15,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:44:15,159 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:15,159 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 18:44:15,160 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:15,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:15,160 INFO L82 PathProgramCache]: Analyzing trace with hash -325757983, now seen corresponding path program 1 times [2018-11-28 18:44:15,160 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:15,161 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:15,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:15,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:15,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:15,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:15,358 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 18:44:15,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:15,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:44:15,361 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:44:15,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:44:15,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:44:15,362 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 3 states. [2018-11-28 18:44:15,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:15,409 INFO L93 Difference]: Finished difference Result 157 states and 183 transitions. [2018-11-28 18:44:15,409 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:44:15,409 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:44:15,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:15,412 INFO L225 Difference]: With dead ends: 157 [2018-11-28 18:44:15,412 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 18:44:15,414 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 18:44:15,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 18:44:15,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 18:44:15,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 18:44:15,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 114 transitions. [2018-11-28 18:44:15,429 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 114 transitions. Word has length 52 [2018-11-28 18:44:15,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:15,429 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 114 transitions. [2018-11-28 18:44:15,429 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:44:15,429 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 114 transitions. [2018-11-28 18:44:15,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:44:15,432 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:15,432 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 18:44:15,432 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:15,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:15,433 INFO L82 PathProgramCache]: Analyzing trace with hash 626628146, now seen corresponding path program 1 times [2018-11-28 18:44:15,433 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:15,433 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:15,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:15,434 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:15,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:15,824 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 18:44:15,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:15,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:15,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:15,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:15,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:15,826 INFO L87 Difference]: Start difference. First operand 99 states and 114 transitions. Second operand 7 states. [2018-11-28 18:44:16,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:16,566 INFO L93 Difference]: Finished difference Result 170 states and 201 transitions. [2018-11-28 18:44:16,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:44:16,567 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 18:44:16,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:16,569 INFO L225 Difference]: With dead ends: 170 [2018-11-28 18:44:16,569 INFO L226 Difference]: Without dead ends: 99 [2018-11-28 18:44:16,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:44:16,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-28 18:44:16,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-11-28 18:44:16,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-11-28 18:44:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2018-11-28 18:44:16,589 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 57 [2018-11-28 18:44:16,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:16,589 INFO L480 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2018-11-28 18:44:16,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2018-11-28 18:44:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 18:44:16,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:16,592 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:16,593 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:16,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash 1946682143, now seen corresponding path program 1 times [2018-11-28 18:44:16,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:16,594 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:16,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:16,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:16,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:16,814 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 18:44:16,815 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:16,815 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:44:16,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:44:16,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:44:16,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:44:16,816 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 6 states. [2018-11-28 18:44:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:17,445 INFO L93 Difference]: Finished difference Result 233 states and 278 transitions. [2018-11-28 18:44:17,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:17,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2018-11-28 18:44:17,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:17,450 INFO L225 Difference]: With dead ends: 233 [2018-11-28 18:44:17,451 INFO L226 Difference]: Without dead ends: 162 [2018-11-28 18:44:17,452 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 18:44:17,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-28 18:44:17,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 160. [2018-11-28 18:44:17,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-28 18:44:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 186 transitions. [2018-11-28 18:44:17,477 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 186 transitions. Word has length 65 [2018-11-28 18:44:17,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:17,478 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 186 transitions. [2018-11-28 18:44:17,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:44:17,479 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 186 transitions. [2018-11-28 18:44:17,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-28 18:44:17,482 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:44:17,483 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:44:17,483 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:44:17,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:44:17,483 INFO L82 PathProgramCache]: Analyzing trace with hash 70117539, now seen corresponding path program 1 times [2018-11-28 18:44:17,484 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:44:17,484 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:44:17,486 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:17,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:44:17,487 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:44:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:44:17,803 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 18:44:17,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:44:17,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:44:17,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:44:17,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:44:17,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:44:17,805 INFO L87 Difference]: Start difference. First operand 160 states and 186 transitions. Second operand 7 states. [2018-11-28 18:44:18,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:44:18,796 INFO L93 Difference]: Finished difference Result 256 states and 305 transitions. [2018-11-28 18:44:18,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:44:18,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 69 [2018-11-28 18:44:18,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:44:18,799 INFO L225 Difference]: With dead ends: 256 [2018-11-28 18:44:18,799 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:44:18,801 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:44:18,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:44:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:44:18,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:44:18,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:44:18,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2018-11-28 18:44:18,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:44:18,803 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:44:18,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:44:18,803 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:44:18,803 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:44:18,809 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:44:19,343 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-11-28 18:44:19,576 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 9 [2018-11-28 18:44:19,810 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:44:20,517 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 19 [2018-11-28 18:44:21,191 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-11-28 18:44:21,233 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 835 842) the Hoare annotation is: true [2018-11-28 18:44:21,233 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 835 842) no Hoare annotation was computed. [2018-11-28 18:44:21,234 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 835 842) no Hoare annotation was computed. [2018-11-28 18:44:21,234 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,234 INFO L444 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,234 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 801) no Hoare annotation was computed. [2018-11-28 18:44:21,234 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,234 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 785 809) no Hoare annotation was computed. [2018-11-28 18:44:21,234 INFO L448 ceAbstractionStarter]: For program point L791-1(line 791) no Hoare annotation was computed. [2018-11-28 18:44:21,235 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 806) no Hoare annotation was computed. [2018-11-28 18:44:21,235 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 785 809) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,235 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,235 INFO L448 ceAbstractionStarter]: For program point L804-1(lines 785 809) no Hoare annotation was computed. [2018-11-28 18:44:21,235 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 156 162) the Hoare annotation is: true [2018-11-28 18:44:21,235 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 156 162) no Hoare annotation was computed. [2018-11-28 18:44:21,235 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 163 171) no Hoare annotation was computed. [2018-11-28 18:44:21,235 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 163 171) the Hoare annotation is: true [2018-11-28 18:44:21,236 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 163 171) no Hoare annotation was computed. [2018-11-28 18:44:21,236 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 681 746) 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 18:44:21,236 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 733) no Hoare annotation was computed. [2018-11-28 18:44:21,236 INFO L444 ceAbstractionStarter]: At program point L729-2(lines 721 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:44:21,236 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 681 746) no Hoare annotation was computed. [2018-11-28 18:44:21,236 INFO L448 ceAbstractionStarter]: For program point L692(lines 691 738) no Hoare annotation was computed. [2018-11-28 18:44:21,236 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:44:21,236 INFO L448 ceAbstractionStarter]: For program point L721(lines 721 734) no Hoare annotation was computed. [2018-11-28 18:44:21,239 INFO L444 ceAbstractionStarter]: At program point L713(line 713) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:44:21,239 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 717) no Hoare annotation was computed. [2018-11-28 18:44:21,239 INFO L448 ceAbstractionStarter]: For program point L711-1(lines 711 717) no Hoare annotation was computed. [2018-11-28 18:44:21,239 INFO L444 ceAbstractionStarter]: At program point L736(lines 691 738) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:44:21,239 INFO L444 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-28 18:44:21,241 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 707) no Hoare annotation was computed. [2018-11-28 18:44:21,241 INFO L448 ceAbstractionStarter]: For program point L701-1(lines 701 707) no Hoare annotation was computed. [2018-11-28 18:44:21,241 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-28 18:44:21,241 INFO L444 ceAbstractionStarter]: At program point L739(lines 690 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:21,241 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 681 746) no Hoare annotation was computed. [2018-11-28 18:44:21,241 INFO L444 ceAbstractionStarter]: At program point L257(line 257) 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 18:44:21,242 INFO L444 ceAbstractionStarter]: At program point L256(line 256) 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 18:44:21,242 INFO L444 ceAbstractionStarter]: At program point L256-1(line 256) 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 18:44:21,242 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 250 272) 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 18:44:21,242 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 250 272) no Hoare annotation was computed. [2018-11-28 18:44:21,242 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 250 272) no Hoare annotation was computed. [2018-11-28 18:44:21,242 INFO L444 ceAbstractionStarter]: At program point L262(line 262) 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 18:44:21,242 INFO L444 ceAbstractionStarter]: At program point L262-1(line 262) 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 18:44:21,243 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 267) no Hoare annotation was computed. [2018-11-28 18:44:21,250 INFO L448 ceAbstractionStarter]: For program point L260-1(lines 260 267) no Hoare annotation was computed. [2018-11-28 18:44:21,250 INFO L448 ceAbstractionStarter]: For program point L258(line 258) no Hoare annotation was computed. [2018-11-28 18:44:21,250 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 777 783) no Hoare annotation was computed. [2018-11-28 18:44:21,250 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 777 783) the Hoare annotation is: true [2018-11-28 18:44:21,250 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 854 862) no Hoare annotation was computed. [2018-11-28 18:44:21,250 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 854 862) the Hoare annotation is: true [2018-11-28 18:44:21,251 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 854 862) no Hoare annotation was computed. [2018-11-28 18:44:21,251 INFO L448 ceAbstractionStarter]: For program point L290-1(line 290) no Hoare annotation was computed. [2018-11-28 18:44:21,251 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 284 312) the Hoare annotation is: true [2018-11-28 18:44:21,251 INFO L444 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,251 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 303) no Hoare annotation was computed. [2018-11-28 18:44:21,251 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 306) no Hoare annotation was computed. [2018-11-28 18:44:21,251 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 18:44:21,251 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 309) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 284 312) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point L292-1(lines 284 312) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L451 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: true [2018-11-28 18:44:21,252 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 276 283) the Hoare annotation is: true [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 276 283) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 276 283) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:21,252 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 18:44:21,252 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:21,258 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 18:44:21,258 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:44:21,258 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-28 18:44:21,258 INFO L444 ceAbstractionStarter]: At program point L766(line 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,258 INFO L444 ceAbstractionStarter]: At program point L764(lines 764 770) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,258 INFO L444 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point L757(lines 756 775) no Hoare annotation was computed. [2018-11-28 18:44:21,259 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 753 776) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 753 776) no Hoare annotation was computed. [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 753 776) no Hoare annotation was computed. [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 175 204) no Hoare annotation was computed. [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 193) no Hoare annotation was computed. [2018-11-28 18:44:21,259 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 175 204) the Hoare annotation is: true [2018-11-28 18:44:21,259 INFO L451 ceAbstractionStarter]: At program point L189-1(lines 189 193) the Hoare annotation is: true [2018-11-28 18:44:21,259 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-11-28 18:44:21,260 INFO L451 ceAbstractionStarter]: At program point L185-2(lines 185 199) the Hoare annotation is: true [2018-11-28 18:44:21,262 INFO L451 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: true [2018-11-28 18:44:21,262 INFO L448 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L451 ceAbstractionStarter]: At program point L200(lines 175 204) the Hoare annotation is: true [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 149 155) no Hoare annotation was computed. [2018-11-28 18:44:21,263 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 149 155) the Hoare annotation is: true [2018-11-28 18:44:21,264 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 230 236) no Hoare annotation was computed. [2018-11-28 18:44:21,264 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 230 236) the Hoare annotation is: true [2018-11-28 18:44:21,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:44:21,265 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 18:44:21,265 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:44:21,265 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:44:21,265 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 899 906) no Hoare annotation was computed. [2018-11-28 18:44:21,265 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 899 906) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-11-28 18:44:21,265 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 899 906) no Hoare annotation was computed. [2018-11-28 18:44:21,265 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:44:21,265 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-28 18:44:21,266 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: true [2018-11-28 18:44:21,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 126 133) no Hoare annotation was computed. [2018-11-28 18:44:21,266 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 126 133) the Hoare annotation is: true [2018-11-28 18:44:21,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 126 133) no Hoare annotation was computed. [2018-11-28 18:44:21,266 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 130) no Hoare annotation was computed. [2018-11-28 18:44:21,266 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 239 249) 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 18:44:21,266 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 239 249) no Hoare annotation was computed. [2018-11-28 18:44:21,266 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 239 249) no Hoare annotation was computed. [2018-11-28 18:44:21,272 INFO L444 ceAbstractionStarter]: At program point L244(line 244) 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 18:44:21,272 INFO L451 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: true [2018-11-28 18:44:21,272 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 843 853) the Hoare annotation is: true [2018-11-28 18:44:21,272 INFO L448 ceAbstractionStarter]: For program point L848-1(line 848) no Hoare annotation was computed. [2018-11-28 18:44:21,272 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 843 853) no Hoare annotation was computed. [2018-11-28 18:44:21,272 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 843 853) no Hoare annotation was computed. [2018-11-28 18:44:21,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:44:21 BoogieIcfgContainer [2018-11-28 18:44:21,292 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:44:21,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:44:21,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:44:21,293 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:44:21,293 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:44:14" (3/4) ... [2018-11-28 18:44:21,303 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:44:21,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:44:21,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:44:21,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:44:21,311 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:44:21,312 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:44:21,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:44:21,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:44:21,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:44:21,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:44:21,313 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:44:21,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:44:21,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:44:21,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:44:21,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:44:21,314 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:44:21,324 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-28 18:44:21,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:44:21,325 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 18:44:21,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:44:21,326 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:44:21,327 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:44:21,356 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-11-28 18:44:21,357 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 18:44:21,445 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:44:21,445 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:44:21,446 INFO L168 Benchmark]: Toolchain (without parser) took 8765.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 207.1 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -184.5 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,447 INFO L168 Benchmark]: CDTParser took 0.18 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 18:44:21,447 INFO L168 Benchmark]: CACSL2BoogieTranslator took 566.34 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,447 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 925.7 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,448 INFO L168 Benchmark]: Boogie Preprocessor took 44.59 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 18:44:21,448 INFO L168 Benchmark]: RCFGBuilder took 1111.61 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,448 INFO L168 Benchmark]: TraceAbstraction took 6771.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.9 MB). Peak memory consumption was 276.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,449 INFO L168 Benchmark]: Witness Printer took 152.34 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:44:21,451 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 566.34 ms. Allocated memory is still 1.0 GB. Free memory was 952.7 MB in the beginning and 925.7 MB in the end (delta: 27.0 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 925.7 MB in the beginning and 1.1 GB in the end (delta: -203.3 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.59 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 1111.61 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6771.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 64.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -60.9 MB). Peak memory consumption was 276.0 MB. Max. memory is 11.5 GB. * Witness Printer took 152.34 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: 7.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 130]: 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: 690]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 185]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 175]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 550 SDtfs, 261 SDslu, 845 SDs, 0 SdLazy, 337 SolverSat, 66 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, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=160occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 233 PreInvPairs, 248 NumberOfFragments, 522 HoareAnnotationTreeSize, 233 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 734 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 294 NumberOfCodeBlocks, 294 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 289 ConstructedInterpolants, 0 QuantifiedInterpolants, 31449 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...