./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_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_spec4_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 96a6a55f57d553b5130f5c53dc9262391d0aca1d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 18:46:32,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:46:32,699 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:46:32,711 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:46:32,711 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:46:32,712 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:46:32,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:46:32,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:46:32,717 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:46:32,718 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:46:32,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:46:32,719 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:46:32,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:46:32,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:46:32,722 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:46:32,723 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:46:32,724 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:46:32,726 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:46:32,728 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:46:32,729 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:46:32,731 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:46:32,732 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:46:32,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:46:32,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:46:32,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:46:32,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:46:32,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:46:32,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:46:32,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:46:32,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:46:32,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:46:32,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:46:32,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:46:32,742 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:46:32,743 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:46:32,744 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:46:32,744 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:46:32,759 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:46:32,759 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:46:32,760 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:46:32,760 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:46:32,761 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:46:32,761 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:46:32,761 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:46:32,761 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:46:32,761 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:46:32,761 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:46:32,762 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:46:32,763 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:46:32,763 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:46:32,763 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:46:32,763 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:46:32,763 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:46:32,763 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:46:32,764 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:46:32,764 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:46:32,764 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:46:32,764 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:46:32,764 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:46:32,764 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:46:32,765 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:46:32,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:46:32,765 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 -> 96a6a55f57d553b5130f5c53dc9262391d0aca1d [2018-11-28 18:46:32,807 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:46:32,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:46:32,832 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:46:32,833 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:46:32,835 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:46:32,836 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:32,895 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375e46123/a7997f7d62934b81aeea86f050ab1929/FLAG52d248671 [2018-11-28 18:46:33,461 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:46:33,462 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:33,481 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375e46123/a7997f7d62934b81aeea86f050ab1929/FLAG52d248671 [2018-11-28 18:46:33,702 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/375e46123/a7997f7d62934b81aeea86f050ab1929 [2018-11-28 18:46:33,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:46:33,707 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:46:33,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:33,708 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:46:33,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:46:33,713 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:33" (1/1) ... [2018-11-28 18:46:33,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71aa32a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:33, skipping insertion in model container [2018-11-28 18:46:33,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:46:33" (1/1) ... [2018-11-28 18:46:33,727 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:46:33,789 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:46:34,168 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:34,189 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:46:34,314 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:46:34,358 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:46:34,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34 WrapperNode [2018-11-28 18:46:34,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:46:34,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:34,361 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:46:34,361 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:46:34,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:46:34,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:46:34,494 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:46:34,494 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:46:34,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,507 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,507 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,529 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (1/1) ... [2018-11-28 18:46:34,547 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:46:34,548 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:46:34,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:46:34,548 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:46:34,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (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 18:46:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:46:34,602 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:46:34,602 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:46:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:46:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 18:46:34,603 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 18:46:34,603 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:46:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:46:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:46:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:46:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:46:34,604 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:46:34,604 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:46:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:46:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:46:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:46:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:46:34,605 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:46:34,605 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:46:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:46:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:46:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:46:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:46:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:46:34,606 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:46:34,606 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:46:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:46:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:46:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:46:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:46:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:46:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:46:34,607 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:46:34,607 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:46:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:46:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:46:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:46:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:46:34,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:46:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:46:34,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:46:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:46:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:46:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:46:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:46:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:46:34,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:46:34,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:46:35,629 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:46:35,629 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:46:35,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:35 BoogieIcfgContainer [2018-11-28 18:46:35,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:46:35,631 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:46:35,631 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:46:35,635 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:46:35,635 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:46:33" (1/3) ... [2018-11-28 18:46:35,636 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2898c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:35, skipping insertion in model container [2018-11-28 18:46:35,636 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:46:34" (2/3) ... [2018-11-28 18:46:35,637 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f2898c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:46:35, skipping insertion in model container [2018-11-28 18:46:35,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:35" (3/3) ... [2018-11-28 18:46:35,639 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product19_true-unreach-call_false-termination.cil.c [2018-11-28 18:46:35,650 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:46:35,659 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:46:35,678 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:46:35,714 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:46:35,715 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:46:35,715 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:46:35,715 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:46:35,716 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:46:35,716 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:46:35,716 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:46:35,716 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:46:35,716 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:46:35,742 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 18:46:35,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:46:35,752 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:35,753 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 18:46:35,756 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:35,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:35,762 INFO L82 PathProgramCache]: Analyzing trace with hash 665276304, now seen corresponding path program 1 times [2018-11-28 18:46:35,765 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:35,765 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:35,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:35,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:35,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:35,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:36,128 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 18:46:36,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:36,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:46:36,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:46:36,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:46:36,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:46:36,153 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 18:46:36,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:36,197 INFO L93 Difference]: Finished difference Result 220 states and 275 transitions. [2018-11-28 18:46:36,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:46:36,199 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:46:36,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:36,217 INFO L225 Difference]: With dead ends: 220 [2018-11-28 18:46:36,218 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 18:46:36,224 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 18:46:36,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 18:46:36,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 18:46:36,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 18:46:36,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 18:46:36,304 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2018-11-28 18:46:36,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:36,305 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 18:46:36,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:46:36,306 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 18:46:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:46:36,309 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:36,310 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 18:46:36,310 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:36,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:36,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1692721646, now seen corresponding path program 1 times [2018-11-28 18:46:36,311 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:36,311 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:36,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:36,312 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:36,312 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:36,527 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 18:46:36,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:36,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:46:36,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:46:36,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:46:36,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:46:36,533 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 18:46:36,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:36,560 INFO L93 Difference]: Finished difference Result 163 states and 189 transitions. [2018-11-28 18:46:36,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:46:36,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:46:36,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:36,564 INFO L225 Difference]: With dead ends: 163 [2018-11-28 18:46:36,565 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 18:46:36,567 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 18:46:36,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 18:46:36,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 18:46:36,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 18:46:36,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 18:46:36,586 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2018-11-28 18:46:36,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:36,587 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 18:46:36,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:46:36,587 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 18:46:36,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:46:36,592 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:36,592 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] [2018-11-28 18:46:36,592 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:36,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:36,593 INFO L82 PathProgramCache]: Analyzing trace with hash 2118046908, now seen corresponding path program 1 times [2018-11-28 18:46:36,593 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:36,593 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:36,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:36,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:36,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:37,003 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 18:46:37,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:37,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:46:37,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:46:37,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:46:37,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:46:37,005 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 18:46:37,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:37,766 INFO L93 Difference]: Finished difference Result 305 states and 369 transitions. [2018-11-28 18:46:37,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:37,767 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:46:37,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:37,772 INFO L225 Difference]: With dead ends: 305 [2018-11-28 18:46:37,773 INFO L226 Difference]: Without dead ends: 228 [2018-11-28 18:46:37,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:37,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-28 18:46:37,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 220. [2018-11-28 18:46:37,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-28 18:46:37,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2018-11-28 18:46:37,828 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2018-11-28 18:46:37,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:37,828 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2018-11-28 18:46:37,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:46:37,829 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2018-11-28 18:46:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 18:46:37,832 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:37,832 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 18:46:37,832 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:37,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:37,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1464778539, now seen corresponding path program 1 times [2018-11-28 18:46:37,833 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:37,833 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:37,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:37,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:37,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:38,433 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 18:46:38,433 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:38,433 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:46:38,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:46:38,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:46:38,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:46:38,436 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 10 states. [2018-11-28 18:46:39,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:39,800 INFO L93 Difference]: Finished difference Result 760 states and 983 transitions. [2018-11-28 18:46:39,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:46:39,801 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 18:46:39,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:39,809 INFO L225 Difference]: With dead ends: 760 [2018-11-28 18:46:39,809 INFO L226 Difference]: Without dead ends: 564 [2018-11-28 18:46:39,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:46:39,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-11-28 18:46:39,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 552. [2018-11-28 18:46:39,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-11-28 18:46:39,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 688 transitions. [2018-11-28 18:46:39,910 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 688 transitions. Word has length 57 [2018-11-28 18:46:39,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:39,911 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 688 transitions. [2018-11-28 18:46:39,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:46:39,911 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 688 transitions. [2018-11-28 18:46:39,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 18:46:39,918 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:39,918 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 18:46:39,918 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:39,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:39,919 INFO L82 PathProgramCache]: Analyzing trace with hash 402361403, now seen corresponding path program 1 times [2018-11-28 18:46:39,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:39,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:39,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:39,920 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:39,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:40,090 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 18:46:40,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:46:40,090 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 18:46:40,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 18:46:40,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 18:46:40,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 18:46:40,092 INFO L87 Difference]: Start difference. First operand 552 states and 688 transitions. Second operand 4 states. [2018-11-28 18:46:40,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:40,262 INFO L93 Difference]: Finished difference Result 924 states and 1186 transitions. [2018-11-28 18:46:40,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 18:46:40,263 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 18:46:40,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:40,267 INFO L225 Difference]: With dead ends: 924 [2018-11-28 18:46:40,267 INFO L226 Difference]: Without dead ends: 396 [2018-11-28 18:46:40,272 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:46:40,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2018-11-28 18:46:40,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 384. [2018-11-28 18:46:40,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 384 states. [2018-11-28 18:46:40,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 446 transitions. [2018-11-28 18:46:40,318 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 446 transitions. Word has length 61 [2018-11-28 18:46:40,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:40,318 INFO L480 AbstractCegarLoop]: Abstraction has 384 states and 446 transitions. [2018-11-28 18:46:40,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 18:46:40,319 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 446 transitions. [2018-11-28 18:46:40,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 18:46:40,326 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:46:40,326 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:40,327 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:46:40,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:46:40,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1020730053, now seen corresponding path program 1 times [2018-11-28 18:46:40,327 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:46:40,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:46:40,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:40,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:40,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:46:40,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:40,598 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 18:46:40,598 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:46:40,599 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:46:40,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:46:40,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:46:40,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:46:41,038 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 18:46:41,071 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:46:41,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 18:46:41,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 18:46:41,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 18:46:41,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 18:46:41,073 INFO L87 Difference]: Start difference. First operand 384 states and 446 transitions. Second operand 12 states. [2018-11-28 18:46:41,537 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-28 18:46:42,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:46:42,807 INFO L93 Difference]: Finished difference Result 507 states and 589 transitions. [2018-11-28 18:46:42,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:46:42,809 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 18:46:42,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:46:42,811 INFO L225 Difference]: With dead ends: 507 [2018-11-28 18:46:42,812 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:46:42,814 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-28 18:46:42,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:46:42,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:46:42,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:46:42,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:46:42,817 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 88 [2018-11-28 18:46:42,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:46:42,818 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:46:42,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 18:46:42,818 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:46:42,818 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:46:42,824 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:46:44,609 WARN L180 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 41 DAG size of output: 24 [2018-11-28 18:46:44,822 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 18 [2018-11-28 18:46:45,094 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 1 [2018-11-28 18:46:45,230 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2018-11-28 18:46:45,419 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 9 [2018-11-28 18:46:45,651 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 21 [2018-11-28 18:46:46,865 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2018-11-28 18:46:46,865 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2018-11-28 18:46:46,865 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2018-11-28 18:46:46,865 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 544 568) no Hoare annotation was computed. [2018-11-28 18:46:46,866 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 544 568) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:46,866 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2)))) [2018-11-28 18:46:46,866 INFO L448 ceAbstractionStarter]: For program point L563-1(lines 544 568) no Hoare annotation was computed. [2018-11-28 18:46:46,866 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:46,866 INFO L444 ceAbstractionStarter]: At program point L554(line 554) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:46,866 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 560) no Hoare annotation was computed. [2018-11-28 18:46:46,866 INFO L444 ceAbstractionStarter]: At program point L550(line 550) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 565) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 870 876) the Hoare annotation is: true [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 870 876) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 536 542) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 536 542) the Hoare annotation is: true [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 877 885) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 877 885) the Hoare annotation is: true [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 877 885) no Hoare annotation was computed. [2018-11-28 18:46:46,867 INFO L448 ceAbstractionStarter]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:46:46,868 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 686 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,868 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 702) no Hoare annotation was computed. [2018-11-28 18:46:46,868 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 686 751) no Hoare annotation was computed. [2018-11-28 18:46:46,868 INFO L444 ceAbstractionStarter]: At program point L744(lines 695 745) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,868 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,868 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 738) no Hoare annotation was computed. [2018-11-28 18:46:46,869 INFO L444 ceAbstractionStarter]: At program point L732-1(lines 726 739) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,869 INFO L448 ceAbstractionStarter]: For program point L697(lines 696 743) no Hoare annotation was computed. [2018-11-28 18:46:46,869 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 739) no Hoare annotation was computed. [2018-11-28 18:46:46,869 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,869 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-28 18:46:46,869 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-11-28 18:46:46,869 INFO L444 ceAbstractionStarter]: At program point L741(lines 696 743) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,869 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (or (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,870 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 686 751) no Hoare annotation was computed. [2018-11-28 18:46:46,870 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-11-28 18:46:46,870 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:46,870 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-11-28 18:46:46,870 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 908) no Hoare annotation was computed. [2018-11-28 18:46:46,870 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 887 911) the Hoare annotation is: true [2018-11-28 18:46:46,870 INFO L448 ceAbstractionStarter]: For program point L895-1(lines 887 911) no Hoare annotation was computed. [2018-11-28 18:46:46,870 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-28 18:46:46,871 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-28 18:46:46,871 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 887 911) no Hoare annotation was computed. [2018-11-28 18:46:46,871 INFO L444 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:46:46,871 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-11-28 18:46:46,871 INFO L444 ceAbstractionStarter]: At program point L834-1(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,871 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 828 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,871 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 828 850) no Hoare annotation was computed. [2018-11-28 18:46:46,871 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 828 850) no Hoare annotation was computed. [2018-11-28 18:46:46,872 INFO L444 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,872 INFO L444 ceAbstractionStarter]: At program point L840-1(line 840) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,872 INFO L448 ceAbstractionStarter]: For program point L838(lines 838 845) no Hoare annotation was computed. [2018-11-28 18:46:46,872 INFO L448 ceAbstractionStarter]: For program point L838-1(lines 838 845) no Hoare annotation was computed. [2018-11-28 18:46:46,872 INFO L448 ceAbstractionStarter]: For program point L836(line 836) no Hoare annotation was computed. [2018-11-28 18:46:46,872 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,872 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2018-11-28 18:46:46,873 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1)) [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-11-28 18:46:46,873 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (or .cse0 (not (= ~waterLevel~0 1))) .cse1))) [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2018-11-28 18:46:46,873 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2018-11-28 18:46:46,873 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2018-11-28 18:46:46,874 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2018-11-28 18:46:46,874 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2018-11-28 18:46:46,874 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:46,874 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:46:46,874 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:46,874 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-11-28 18:46:46,874 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2018-11-28 18:46:46,874 INFO L451 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2018-11-28 18:46:46,874 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 483 491) the Hoare annotation is: true [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 772) no Hoare annotation was computed. [2018-11-28 18:46:46,875 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 754 783) no Hoare annotation was computed. [2018-11-28 18:46:46,876 INFO L451 ceAbstractionStarter]: At program point L768-1(lines 768 772) the Hoare annotation is: true [2018-11-28 18:46:46,876 INFO L448 ceAbstractionStarter]: For program point L765(line 765) no Hoare annotation was computed. [2018-11-28 18:46:46,876 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 754 783) the Hoare annotation is: true [2018-11-28 18:46:46,876 INFO L451 ceAbstractionStarter]: At program point L764-2(lines 764 778) the Hoare annotation is: true [2018-11-28 18:46:46,876 INFO L451 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: true [2018-11-28 18:46:46,876 INFO L448 ceAbstractionStarter]: For program point L760-1(line 760) no Hoare annotation was computed. [2018-11-28 18:46:46,876 INFO L451 ceAbstractionStarter]: At program point L779(lines 754 783) the Hoare annotation is: true [2018-11-28 18:46:46,876 INFO L448 ceAbstractionStarter]: For program point L775(line 775) no Hoare annotation was computed. [2018-11-28 18:46:46,877 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 512 535) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:46,877 INFO L444 ceAbstractionStarter]: At program point L525(line 525) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:46,877 INFO L444 ceAbstractionStarter]: At program point L523(lines 523 529) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (and (= ~waterLevel~0 1) .cse1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2018-11-28 18:46:46,877 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 512 535) no Hoare annotation was computed. [2018-11-28 18:46:46,877 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 512 535) no Hoare annotation was computed. [2018-11-28 18:46:46,877 INFO L444 ceAbstractionStarter]: At program point L518(line 518) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:46:46,877 INFO L448 ceAbstractionStarter]: For program point L516(lines 515 534) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2018-11-28 18:46:46,878 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 863 869) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 863 869) the Hoare annotation is: true [2018-11-28 18:46:46,878 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 808 814) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 808 814) the Hoare annotation is: true [2018-11-28 18:46:46,878 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:46:46,878 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 18:46:46,879 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:46:46,879 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:46:46,879 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2018-11-28 18:46:46,879 INFO L448 ceAbstractionStarter]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2018-11-28 18:46:46,879 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 1) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (< |old(~waterLevel~0)| 2) (<= |old(~waterLevel~0)| ~waterLevel~0)))) [2018-11-28 18:46:46,879 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 676 683) no Hoare annotation was computed. [2018-11-28 18:46:46,879 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 680) no Hoare annotation was computed. [2018-11-28 18:46:46,879 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 676 683) the Hoare annotation is: true [2018-11-28 18:46:46,880 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 676 683) no Hoare annotation was computed. [2018-11-28 18:46:46,880 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 815 824) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:46:46,880 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 815 824) no Hoare annotation was computed. [2018-11-28 18:46:46,880 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 815 824) no Hoare annotation was computed. [2018-11-28 18:46:46,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:46:46 BoogieIcfgContainer [2018-11-28 18:46:46,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:46:46,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:46:46,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:46:46,898 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:46:46,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:46:35" (3/4) ... [2018-11-28 18:46:46,902 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:46:46,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:46:46,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:46:46,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:46:46,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:46:46,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:46:46,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:46:46,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:46:46,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:46:46,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:46:46,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:46:46,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:46:46,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:46:46,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:46:46,915 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:46:46,928 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 18:46:46,928 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 18:46:46,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:46:46,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 18:46:46,929 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:46:46,930 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:46:46,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:46,968 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-28 18:46:47,044 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:46:47,044 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:46:47,045 INFO L168 Benchmark]: Toolchain (without parser) took 13339.52 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 947.3 MB in the beginning and 1.3 GB in the end (delta: -362.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:46:47,046 INFO L168 Benchmark]: CDTParser took 0.21 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 18:46:47,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 651.57 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 919.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:47,047 INFO L168 Benchmark]: Boogie Procedure Inliner took 132.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -213.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:47,048 INFO L168 Benchmark]: Boogie Preprocessor took 53.68 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 18:46:47,048 INFO L168 Benchmark]: RCFGBuilder took 1082.57 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:47,048 INFO L168 Benchmark]: TraceAbstraction took 11266.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -230.8 MB). Peak memory consumption was 361.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:47,049 INFO L168 Benchmark]: Witness Printer took 146.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:46:47,051 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 651.57 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 919.1 MB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 132.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 919.1 MB in the beginning and 1.1 GB in the end (delta: -213.9 MB). Peak memory consumption was 14.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.68 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 1082.57 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: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11266.12 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -230.8 MB). Peak memory consumption was 361.2 MB. Max. memory is 11.5 GB. * Witness Printer took 146.95 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 680]: 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: 754]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 695]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 696]: Loop Invariant Derived loop invariant: ((((\old(waterLevel) <= waterLevel && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 11.1s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 714 SDtfs, 627 SDslu, 1688 SDs, 0 SdLazy, 928 SolverSat, 208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=552occurred 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, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 584 PreInvPairs, 625 NumberOfFragments, 718 HoareAnnotationTreeSize, 584 FomulaSimplifications, 652 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3040 FormulaSimplificationTreeSizeReductionInter, 3.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 438 NumberOfCodeBlocks, 438 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 431 ConstructedInterpolants, 0 QuantifiedInterpolants, 60169 SizeOfPredicates, 3 NumberOfNonLiveVariables, 725 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 41/46 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...