./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product62_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_product62_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 ce17648ffa5822f201dca35a60378555aafbd885 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 18:47:04,666 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:47:04,668 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:47:04,681 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:47:04,682 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:47:04,683 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:47:04,684 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:47:04,686 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:47:04,688 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:47:04,689 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:47:04,690 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:47:04,690 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:47:04,691 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:47:04,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:47:04,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:47:04,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:47:04,696 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:47:04,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:47:04,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:47:04,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:47:04,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:47:04,704 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:47:04,706 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:47:04,706 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:47:04,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:47:04,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:47:04,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:47:04,710 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:47:04,710 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:47:04,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:47:04,712 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:47:04,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:47:04,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:47:04,713 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:47:04,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:47:04,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:47:04,716 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:47:04,734 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:47:04,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:47:04,735 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:47:04,735 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:47:04,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:47:04,737 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:47:04,737 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:47:04,737 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:47:04,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:47:04,739 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:47:04,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:47:04,741 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:47:04,741 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:47:04,741 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:47:04,741 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:47:04,741 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:47:04,741 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:47:04,744 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:47:04,744 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:47:04,744 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:47:04,744 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:47:04,745 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:47:04,745 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:47:04,745 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:47:04,745 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:47:04,745 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 -> ce17648ffa5822f201dca35a60378555aafbd885 [2018-11-28 18:47:04,808 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:47:04,827 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:47:04,834 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:47:04,835 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:47:04,836 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:47:04,837 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:04,901 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80683a81/6a134a12e4784766997088f27dd6e147/FLAG985bc1a38 [2018-11-28 18:47:05,407 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:47:05,407 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:05,426 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80683a81/6a134a12e4784766997088f27dd6e147/FLAG985bc1a38 [2018-11-28 18:47:05,700 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d80683a81/6a134a12e4784766997088f27dd6e147 [2018-11-28 18:47:05,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:47:05,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:47:05,706 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:05,706 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:47:05,710 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:47:05,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:05" (1/1) ... [2018-11-28 18:47:05,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbc0696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:05, skipping insertion in model container [2018-11-28 18:47:05,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:47:05" (1/1) ... [2018-11-28 18:47:05,724 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:47:05,783 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:47:06,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:06,242 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:47:06,336 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:47:06,477 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:47:06,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06 WrapperNode [2018-11-28 18:47:06,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:47:06,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:06,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:47:06,479 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:47:06,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:47:06,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:47:06,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:47:06,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:47:06,559 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,569 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,618 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (1/1) ... [2018-11-28 18:47:06,628 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:47:06,629 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:47:06,629 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:47:06,629 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:47:06,633 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (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 18:47:06,710 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:47:06,712 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:47:06,712 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:47:06,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:47:06,713 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 18:47:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 18:47:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:47:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:47:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:47:06,714 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:47:06,714 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:47:06,715 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:47:06,715 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:47:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:47:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:47:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:47:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:47:06,716 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:06,716 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 18:47:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 18:47:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:47:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:47:06,717 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:47:06,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:47:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:47:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:47:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:47:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:47:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:47:06,718 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:47:06,718 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:47:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:47:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:47:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:47:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:06,719 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:06,719 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 18:47:06,720 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 18:47:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:47:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:47:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:47:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:47:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:47:06,721 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:47:06,721 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:06,722 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:06,722 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:47:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:47:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:47:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:47:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:47:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:47:06,723 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:47:06,723 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:47:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:47:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:47:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:47:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:47:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:47:06,724 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:47:06,724 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:47:06,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:47:06,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:47:08,145 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:47:08,147 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:47:08,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:08 BoogieIcfgContainer [2018-11-28 18:47:08,149 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:47:08,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:47:08,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:47:08,158 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:47:08,159 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:47:05" (1/3) ... [2018-11-28 18:47:08,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa99958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:08, skipping insertion in model container [2018-11-28 18:47:08,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:47:06" (2/3) ... [2018-11-28 18:47:08,162 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aa99958 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:47:08, skipping insertion in model container [2018-11-28 18:47:08,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:08" (3/3) ... [2018-11-28 18:47:08,165 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product62_true-unreach-call_false-termination.cil.c [2018-11-28 18:47:08,175 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:47:08,184 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:47:08,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:47:08,240 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:47:08,240 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:47:08,240 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:47:08,240 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:47:08,241 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:47:08,241 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:47:08,241 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:47:08,241 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:47:08,241 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:47:08,263 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2018-11-28 18:47:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:47:08,273 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:08,274 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 18:47:08,276 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:08,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:08,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1707468692, now seen corresponding path program 1 times [2018-11-28 18:47:08,285 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:08,285 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:08,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,336 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:08,336 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:08,599 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 18:47:08,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:08,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:47:08,610 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:47:08,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:47:08,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:47:08,626 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 2 states. [2018-11-28 18:47:08,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:08,692 INFO L93 Difference]: Finished difference Result 314 states and 387 transitions. [2018-11-28 18:47:08,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:47:08,694 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:47:08,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:08,715 INFO L225 Difference]: With dead ends: 314 [2018-11-28 18:47:08,716 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 18:47:08,723 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 18:47:08,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 18:47:08,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-28 18:47:08,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 18:47:08,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 185 transitions. [2018-11-28 18:47:08,808 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 185 transitions. Word has length 46 [2018-11-28 18:47:08,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:08,809 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 185 transitions. [2018-11-28 18:47:08,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:47:08,809 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 185 transitions. [2018-11-28 18:47:08,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:47:08,814 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:08,814 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 18:47:08,814 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:08,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:08,815 INFO L82 PathProgramCache]: Analyzing trace with hash -714026924, now seen corresponding path program 1 times [2018-11-28 18:47:08,815 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:08,815 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:08,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:08,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:09,021 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 18:47:09,022 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:09,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:47:09,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:47:09,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:47:09,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:09,029 INFO L87 Difference]: Start difference. First operand 157 states and 185 transitions. Second operand 3 states. [2018-11-28 18:47:09,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:09,099 INFO L93 Difference]: Finished difference Result 259 states and 305 transitions. [2018-11-28 18:47:09,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:47:09,100 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:47:09,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:09,106 INFO L225 Difference]: With dead ends: 259 [2018-11-28 18:47:09,107 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 18:47:09,109 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 18:47:09,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 18:47:09,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 18:47:09,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 18:47:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 173 transitions. [2018-11-28 18:47:09,142 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 173 transitions. Word has length 47 [2018-11-28 18:47:09,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:09,143 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 173 transitions. [2018-11-28 18:47:09,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:47:09,143 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 173 transitions. [2018-11-28 18:47:09,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 18:47:09,151 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:09,151 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 18:47:09,151 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:09,152 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:09,152 INFO L82 PathProgramCache]: Analyzing trace with hash -418770940, now seen corresponding path program 1 times [2018-11-28 18:47:09,152 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:09,152 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:09,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:09,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:09,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:09,349 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 18:47:09,350 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:09,350 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:47:09,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:47:09,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:47:09,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:09,351 INFO L87 Difference]: Start difference. First operand 148 states and 173 transitions. Second operand 3 states. [2018-11-28 18:47:09,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:09,414 INFO L93 Difference]: Finished difference Result 272 states and 323 transitions. [2018-11-28 18:47:09,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:47:09,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 18:47:09,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:09,418 INFO L225 Difference]: With dead ends: 272 [2018-11-28 18:47:09,418 INFO L226 Difference]: Without dead ends: 148 [2018-11-28 18:47:09,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:47:09,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-11-28 18:47:09,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-11-28 18:47:09,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-11-28 18:47:09,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 172 transitions. [2018-11-28 18:47:09,441 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 172 transitions. Word has length 52 [2018-11-28 18:47:09,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:09,442 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 172 transitions. [2018-11-28 18:47:09,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:47:09,442 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 172 transitions. [2018-11-28 18:47:09,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-28 18:47:09,450 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:09,451 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, 1] [2018-11-28 18:47:09,451 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:09,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:09,451 INFO L82 PathProgramCache]: Analyzing trace with hash -1599970304, now seen corresponding path program 1 times [2018-11-28 18:47:09,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:09,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:09,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:09,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:09,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:09,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:09,826 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 18:47:09,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:09,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:47:09,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:47:09,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:47:09,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:47:09,829 INFO L87 Difference]: Start difference. First operand 148 states and 172 transitions. Second operand 5 states. [2018-11-28 18:47:11,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:11,521 INFO L93 Difference]: Finished difference Result 389 states and 466 transitions. [2018-11-28 18:47:11,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:47:11,523 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-11-28 18:47:11,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:11,527 INFO L225 Difference]: With dead ends: 389 [2018-11-28 18:47:11,528 INFO L226 Difference]: Without dead ends: 265 [2018-11-28 18:47:11,529 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:47:11,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-28 18:47:11,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 246. [2018-11-28 18:47:11,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-28 18:47:11,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 276 transitions. [2018-11-28 18:47:11,582 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 276 transitions. Word has length 70 [2018-11-28 18:47:11,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:11,583 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 276 transitions. [2018-11-28 18:47:11,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:47:11,584 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 276 transitions. [2018-11-28 18:47:11,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-28 18:47:11,586 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:11,586 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:47:11,587 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:11,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:11,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1641427357, now seen corresponding path program 1 times [2018-11-28 18:47:11,588 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:11,588 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:11,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:11,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:11,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:11,864 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 18:47:11,864 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:11,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:47:11,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:47:11,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:47:11,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:11,867 INFO L87 Difference]: Start difference. First operand 246 states and 276 transitions. Second operand 10 states. [2018-11-28 18:47:12,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:12,978 INFO L93 Difference]: Finished difference Result 803 states and 971 transitions. [2018-11-28 18:47:12,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:47:12,980 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 84 [2018-11-28 18:47:12,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:12,988 INFO L225 Difference]: With dead ends: 803 [2018-11-28 18:47:12,989 INFO L226 Difference]: Without dead ends: 581 [2018-11-28 18:47:12,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:47:12,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2018-11-28 18:47:13,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 571. [2018-11-28 18:47:13,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 571 states. [2018-11-28 18:47:13,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 660 transitions. [2018-11-28 18:47:13,074 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 660 transitions. Word has length 84 [2018-11-28 18:47:13,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:13,074 INFO L480 AbstractCegarLoop]: Abstraction has 571 states and 660 transitions. [2018-11-28 18:47:13,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:47:13,075 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 660 transitions. [2018-11-28 18:47:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-28 18:47:13,079 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:13,080 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:13,080 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:13,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:13,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1835233603, now seen corresponding path program 1 times [2018-11-28 18:47:13,082 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:13,082 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:13,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:13,267 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-28 18:47:13,268 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:13,268 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 18:47:13,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:13,432 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:13,589 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:47:13,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:13,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 18:47:13,622 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:47:13,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:47:13,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:47:13,623 INFO L87 Difference]: Start difference. First operand 571 states and 660 transitions. Second operand 6 states. [2018-11-28 18:47:13,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:13,838 INFO L93 Difference]: Finished difference Result 1139 states and 1362 transitions. [2018-11-28 18:47:13,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:47:13,839 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-28 18:47:13,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:13,844 INFO L225 Difference]: With dead ends: 1139 [2018-11-28 18:47:13,844 INFO L226 Difference]: Without dead ends: 592 [2018-11-28 18:47:13,847 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 147 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:47:13,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2018-11-28 18:47:13,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 586. [2018-11-28 18:47:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 586 states. [2018-11-28 18:47:13,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 586 states to 586 states and 676 transitions. [2018-11-28 18:47:13,902 INFO L78 Accepts]: Start accepts. Automaton has 586 states and 676 transitions. Word has length 148 [2018-11-28 18:47:13,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:13,904 INFO L480 AbstractCegarLoop]: Abstraction has 586 states and 676 transitions. [2018-11-28 18:47:13,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:47:13,904 INFO L276 IsEmpty]: Start isEmpty. Operand 586 states and 676 transitions. [2018-11-28 18:47:13,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-28 18:47:13,911 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:13,912 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-28 18:47:13,912 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:13,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:13,912 INFO L82 PathProgramCache]: Analyzing trace with hash 672456909, now seen corresponding path program 1 times [2018-11-28 18:47:13,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:13,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:13,915 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:13,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-28 18:47:14,201 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:14,201 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:14,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:14,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:15,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:15,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 13 [2018-11-28 18:47:15,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-28 18:47:15,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-28 18:47:15,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-28 18:47:15,006 INFO L87 Difference]: Start difference. First operand 586 states and 676 transitions. Second operand 13 states. [2018-11-28 18:47:22,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:22,337 INFO L93 Difference]: Finished difference Result 1537 states and 1964 transitions. [2018-11-28 18:47:22,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-11-28 18:47:22,338 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 148 [2018-11-28 18:47:22,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:22,350 INFO L225 Difference]: With dead ends: 1537 [2018-11-28 18:47:22,350 INFO L226 Difference]: Without dead ends: 1108 [2018-11-28 18:47:22,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=632, Invalid=3150, Unknown=0, NotChecked=0, Total=3782 [2018-11-28 18:47:22,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-11-28 18:47:22,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 980. [2018-11-28 18:47:22,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 980 states. [2018-11-28 18:47:22,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 1175 transitions. [2018-11-28 18:47:22,466 INFO L78 Accepts]: Start accepts. Automaton has 980 states and 1175 transitions. Word has length 148 [2018-11-28 18:47:22,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:22,467 INFO L480 AbstractCegarLoop]: Abstraction has 980 states and 1175 transitions. [2018-11-28 18:47:22,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-28 18:47:22,467 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1175 transitions. [2018-11-28 18:47:22,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-28 18:47:22,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:22,472 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:22,472 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:22,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:22,474 INFO L82 PathProgramCache]: Analyzing trace with hash -780742552, now seen corresponding path program 1 times [2018-11-28 18:47:22,474 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:22,474 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:22,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:22,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:22,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-28 18:47:23,248 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:23,248 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:23,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:23,422 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:24,014 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-28 18:47:24,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:47:24,047 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:47:24,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:47:24,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:47:24,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:24,048 INFO L87 Difference]: Start difference. First operand 980 states and 1175 transitions. Second operand 11 states. [2018-11-28 18:47:24,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:24,314 INFO L93 Difference]: Finished difference Result 1746 states and 2142 transitions. [2018-11-28 18:47:24,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:47:24,318 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 170 [2018-11-28 18:47:24,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:24,325 INFO L225 Difference]: With dead ends: 1746 [2018-11-28 18:47:24,325 INFO L226 Difference]: Without dead ends: 790 [2018-11-28 18:47:24,329 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:47:24,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2018-11-28 18:47:24,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 790. [2018-11-28 18:47:24,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2018-11-28 18:47:24,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 937 transitions. [2018-11-28 18:47:24,392 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 937 transitions. Word has length 170 [2018-11-28 18:47:24,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:24,392 INFO L480 AbstractCegarLoop]: Abstraction has 790 states and 937 transitions. [2018-11-28 18:47:24,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:47:24,392 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 937 transitions. [2018-11-28 18:47:24,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 18:47:24,396 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:24,397 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:24,397 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:24,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:24,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1039540579, now seen corresponding path program 1 times [2018-11-28 18:47:24,397 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:24,397 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:24,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:24,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:24,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:25,268 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-28 18:47:25,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:47:25,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:47:25,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:47:25,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:47:25,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:47:25,270 INFO L87 Difference]: Start difference. First operand 790 states and 937 transitions. Second operand 9 states. [2018-11-28 18:47:25,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:25,819 INFO L93 Difference]: Finished difference Result 1512 states and 1820 transitions. [2018-11-28 18:47:25,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 18:47:25,820 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 174 [2018-11-28 18:47:25,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:25,827 INFO L225 Difference]: With dead ends: 1512 [2018-11-28 18:47:25,828 INFO L226 Difference]: Without dead ends: 814 [2018-11-28 18:47:25,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:47:25,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2018-11-28 18:47:25,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 805. [2018-11-28 18:47:25,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-11-28 18:47:25,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 952 transitions. [2018-11-28 18:47:25,891 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 952 transitions. Word has length 174 [2018-11-28 18:47:25,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:25,892 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 952 transitions. [2018-11-28 18:47:25,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:47:25,892 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 952 transitions. [2018-11-28 18:47:25,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-28 18:47:25,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:47:25,897 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:47:25,897 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:47:25,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:47:25,898 INFO L82 PathProgramCache]: Analyzing trace with hash -1011443419, now seen corresponding path program 1 times [2018-11-28 18:47:25,898 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:47:25,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:47:25,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:25,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:25,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:47:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 6 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-28 18:47:27,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:47:27,069 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:47:27,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:47:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:47:27,248 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:47:27,906 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 19 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 18:47:27,925 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:47:27,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2018-11-28 18:47:27,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:47:27,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:47:27,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:47:27,928 INFO L87 Difference]: Start difference. First operand 805 states and 952 transitions. Second operand 14 states. [2018-11-28 18:47:30,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:47:30,976 INFO L93 Difference]: Finished difference Result 1178 states and 1451 transitions. [2018-11-28 18:47:30,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-28 18:47:30,977 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 174 [2018-11-28 18:47:30,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:47:30,978 INFO L225 Difference]: With dead ends: 1178 [2018-11-28 18:47:30,978 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 18:47:30,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=165, Invalid=591, Unknown=0, NotChecked=0, Total=756 [2018-11-28 18:47:30,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 18:47:30,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 18:47:30,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 18:47:30,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 18:47:30,986 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 174 [2018-11-28 18:47:30,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:47:30,988 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 18:47:30,988 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:47:30,988 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 18:47:30,988 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 18:47:30,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 18:47:31,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:31,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 18:47:32,232 WARN L180 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 11 [2018-11-28 18:47:32,425 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 1 [2018-11-28 18:47:33,062 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2018-11-28 18:47:33,473 WARN L180 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 19 [2018-11-28 18:47:34,151 WARN L180 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2018-11-28 18:47:34,287 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 1 [2018-11-28 18:47:34,777 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 17 [2018-11-28 18:47:34,944 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 23 [2018-11-28 18:47:35,098 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 22 [2018-11-28 18:47:35,424 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 29 [2018-11-28 18:47:36,548 WARN L180 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 21 [2018-11-28 18:47:37,065 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 22 [2018-11-28 18:47:37,206 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 29 [2018-11-28 18:47:37,240 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 427 433) the Hoare annotation is: true [2018-11-28 18:47:37,240 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 427 433) no Hoare annotation was computed. [2018-11-28 18:47:37,240 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-28 18:47:37,240 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 434 442) the Hoare annotation is: true [2018-11-28 18:47:37,240 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-28 18:47:37,240 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-11-28 18:47:37,240 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 380 404) the Hoare annotation is: true [2018-11-28 18:47:37,241 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 380 404) no Hoare annotation was computed. [2018-11-28 18:47:37,241 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,241 INFO L448 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2018-11-28 18:47:37,241 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,241 INFO L448 ceAbstractionStarter]: For program point L390-1(line 390) no Hoare annotation was computed. [2018-11-28 18:47:37,241 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 401) no Hoare annotation was computed. [2018-11-28 18:47:37,241 INFO L448 ceAbstractionStarter]: For program point L388-1(lines 380 404) no Hoare annotation was computed. [2018-11-28 18:47:37,241 INFO L451 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: true [2018-11-28 18:47:37,241 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 516 538) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,242 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 516 538) no Hoare annotation was computed. [2018-11-28 18:47:37,242 INFO L444 ceAbstractionStarter]: At program point L528(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,242 INFO L444 ceAbstractionStarter]: At program point L528-1(line 528) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= main_~tmp~8 1) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,242 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 533) no Hoare annotation was computed. [2018-11-28 18:47:37,242 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 526 533) no Hoare annotation was computed. [2018-11-28 18:47:37,242 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 516 538) no Hoare annotation was computed. [2018-11-28 18:47:37,242 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 18:47:37,242 INFO L444 ceAbstractionStarter]: At program point L523(line 523) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point L522(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point L522-1(line 522) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,243 INFO L448 ceAbstractionStarter]: For program point L211-1(lines 192 216) no Hoare annotation was computed. [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 192 216) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: (or (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,243 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 192 216) no Hoare annotation was computed. [2018-11-28 18:47:37,243 INFO L444 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< ~waterLevel~0 1)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse0) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,243 INFO L448 ceAbstractionStarter]: For program point L200(lines 200 208) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 1)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse0) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point L198-1(line 198) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point L196(lines 196 213) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 287 295) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 287 295) the Hoare annotation is: true [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 287 295) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 351 369) the Hoare annotation is: true [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 364) no Hoare annotation was computed. [2018-11-28 18:47:37,244 INFO L451 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: true [2018-11-28 18:47:37,244 INFO L448 ceAbstractionStarter]: For program point L360-2(lines 360 364) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 351 369) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point L358-1(line 358) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 351 369) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 420 426) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 420 426) the Hoare annotation is: true [2018-11-28 18:47:37,245 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 506 515) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 506 515) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 506 515) no Hoare annotation was computed. [2018-11-28 18:47:37,245 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 276 286) the Hoare annotation is: true [2018-11-28 18:47:37,245 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L451 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: true [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point L281-1(line 281) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 268 275) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0)) [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 268 275) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 268 275) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point L989(lines 989 995) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 985 998) no Hoare annotation was computed. [2018-11-28 18:47:37,246 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 985 998) the Hoare annotation is: true [2018-11-28 18:47:37,246 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 985 998) no Hoare annotation was computed. [2018-11-28 18:47:37,247 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 1)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse0) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,247 INFO L448 ceAbstractionStarter]: For program point L224-1(line 224) no Hoare annotation was computed. [2018-11-28 18:47:37,247 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 239) no Hoare annotation was computed. [2018-11-28 18:47:37,247 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 218 242) no Hoare annotation was computed. [2018-11-28 18:47:37,247 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 218 242) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 1)) [2018-11-28 18:47:37,247 INFO L444 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (< ~waterLevel~0 1) (= |old(~pumpRunning~0)| 0)) (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse1 .cse0 (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,247 INFO L448 ceAbstractionStarter]: For program point L237-1(lines 218 242) no Hoare annotation was computed. [2018-11-28 18:47:37,247 INFO L444 ceAbstractionStarter]: At program point L232(line 232) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 1)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse0) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,247 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< ~waterLevel~0 1)) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse0) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,247 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 234) no Hoare annotation was computed. [2018-11-28 18:47:37,248 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 158 164) no Hoare annotation was computed. [2018-11-28 18:47:37,248 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 158 164) the Hoare annotation is: true [2018-11-28 18:47:37,248 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 54 119) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,248 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 54 119) no Hoare annotation was computed. [2018-11-28 18:47:37,248 INFO L444 ceAbstractionStarter]: At program point L112(lines 63 113) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 18:47:37,248 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-28 18:47:37,248 INFO L444 ceAbstractionStarter]: At program point L102-2(lines 94 107) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (= |old(~systemActive~0)| 0) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,248 INFO L448 ceAbstractionStarter]: For program point L65(lines 64 111) no Hoare annotation was computed. [2018-11-28 18:47:37,248 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (= |old(~systemActive~0)| 0) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 107) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L444 ceAbstractionStarter]: At program point L86(line 86) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (= |old(~systemActive~0)| 0) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 90) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 90) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L444 ceAbstractionStarter]: At program point L109(lines 64 111) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (= |old(~systemActive~0)| 0) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,249 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (not (= 0 |old(~pumpRunning~0)|)) (and (and (= 0 ~pumpRunning~0) .cse0 .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 54 119) no Hoare annotation was computed. [2018-11-28 18:47:37,249 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 70) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 243 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 243 250) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 243 250) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 999 1007) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 999 1007) the Hoare annotation is: true [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 999 1007) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,250 INFO L444 ceAbstractionStarter]: At program point L256(line 256) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,250 INFO L448 ceAbstractionStarter]: For program point L256-1(line 256) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 251 267) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 251 267) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,251 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point L262-1(lines 251 267) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 264) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 976 984) the Hoare annotation is: true [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 976 984) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 976 984) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 332 350) no Hoare annotation was computed. [2018-11-28 18:47:37,251 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 332 350) the Hoare annotation is: true [2018-11-28 18:47:37,251 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 345) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 332 350) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L451 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point L341-2(lines 341 345) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point L339-1(line 339) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 932 943) the Hoare annotation is: true [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 932 943) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 932 943) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 944 952) the Hoare annotation is: true [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 944 952) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 944 952) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 445 474) no Hoare annotation was computed. [2018-11-28 18:47:37,252 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 445 474) the Hoare annotation is: true [2018-11-28 18:47:37,253 INFO L451 ceAbstractionStarter]: At program point L470(lines 445 474) the Hoare annotation is: true [2018-11-28 18:47:37,253 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-28 18:47:37,253 INFO L448 ceAbstractionStarter]: For program point L459(lines 459 463) no Hoare annotation was computed. [2018-11-28 18:47:37,253 INFO L451 ceAbstractionStarter]: At program point L459-1(lines 459 463) the Hoare annotation is: true [2018-11-28 18:47:37,253 INFO L448 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2018-11-28 18:47:37,253 INFO L451 ceAbstractionStarter]: At program point L455-2(lines 455 469) the Hoare annotation is: true [2018-11-28 18:47:37,253 INFO L451 ceAbstractionStarter]: At program point L451(line 451) the Hoare annotation is: true [2018-11-28 18:47:37,253 INFO L448 ceAbstractionStarter]: For program point L451-1(line 451) no Hoare annotation was computed. [2018-11-28 18:47:37,253 INFO L444 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse0) .cse1 (< |old(~waterLevel~0)| 2) (and (not (= |old(~pumpRunning~0)| 0)) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse0)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse1 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0) (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:47:37,253 INFO L444 ceAbstractionStarter]: At program point L145(lines 145 151) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) (and (not (= |old(~pumpRunning~0)| 0)) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))))) [2018-11-28 18:47:37,254 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 134 157) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) .cse0 (< |old(~waterLevel~0)| 2)))) [2018-11-28 18:47:37,254 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2) (or (or .cse0 .cse1) .cse2))) [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 134 157) no Hoare annotation was computed. [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point L138(lines 137 156) no Hoare annotation was computed. [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 134 157) no Hoare annotation was computed. [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point L912-1(lines 908 919) no Hoare annotation was computed. [2018-11-28 18:47:37,254 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 908 919) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (or (= ~systemActive~0 0) (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| 2))) [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 908 919) no Hoare annotation was computed. [2018-11-28 18:47:37,254 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 499 505) no Hoare annotation was computed. [2018-11-28 18:47:37,255 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 499 505) the Hoare annotation is: true [2018-11-28 18:47:37,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,255 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-11-28 18:47:37,255 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 18:47:37,255 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 18:47:37,255 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 166 190) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:47:37,255 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 166 190) no Hoare annotation was computed. [2018-11-28 18:47:37,255 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) (< ~waterLevel~0 2)))) [2018-11-28 18:47:37,255 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 166 190) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L444 ceAbstractionStarter]: At program point L180(line 180) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1) (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2))) [2018-11-28 18:47:37,256 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or .cse0 .cse1) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 182) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2) (< ~waterLevel~0 2)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point L172-1(line 172) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 187) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 370 377) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 370 377) the Hoare annotation is: (let ((.cse1 (= |old(~systemActive~0)| 0)) (.cse0 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2)) (or (not (= 0 ~pumpRunning~0)) .cse1 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 370 377) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 920 931) no Hoare annotation was computed. [2018-11-28 18:47:37,256 INFO L448 ceAbstractionStarter]: For program point L924-1(lines 920 931) no Hoare annotation was computed. [2018-11-28 18:47:37,257 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 920 931) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< |old(~waterLevel~0)| 2) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0 (and (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-28 18:47:37,257 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:47:37,257 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 18:47:37,257 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 18:47:37,257 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 18:47:37,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:47:37 BoogieIcfgContainer [2018-11-28 18:47:37,274 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:47:37,275 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:47:37,275 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:47:37,275 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:47:37,275 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:47:08" (3/4) ... [2018-11-28 18:47:37,279 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 18:47:37,287 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 18:47:37,288 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 18:47:37,289 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 18:47:37,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:47:37,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 18:47:37,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 18:47:37,290 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 18:47:37,301 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 18:47:37,302 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 18:47:37,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 18:47:37,303 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 18:47:37,304 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 18:47:37,305 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 18:47:37,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel == \old(waterLevel))) || \old(systemActive) == 0) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-28 18:47:37,339 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-28 18:47:37,439 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:47:37,439 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:47:37,440 INFO L168 Benchmark]: Toolchain (without parser) took 31736.42 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 952.7 MB in the beginning and 1.2 GB in the end (delta: -209.0 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,441 INFO L168 Benchmark]: CDTParser took 0.16 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 18:47:37,441 INFO L168 Benchmark]: CACSL2BoogieTranslator took 772.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,443 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,443 INFO L168 Benchmark]: Boogie Preprocessor took 82.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:47:37,443 INFO L168 Benchmark]: RCFGBuilder took 1520.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,445 INFO L168 Benchmark]: TraceAbstraction took 29124.30 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 522.0 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,445 INFO L168 Benchmark]: Witness Printer took 164.79 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. [2018-11-28 18:47:37,449 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 772.01 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 81.8 MB). Free memory was 952.7 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 43.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 67.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.94 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1520.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29124.30 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -161.8 MB). Peak memory consumption was 522.0 MB. Max. memory is 11.5 GB. * Witness Printer took 164.79 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 63]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 445]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel == \old(waterLevel))) || \old(systemActive) == 0) || ((2 <= waterLevel && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 455]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 170 locations, 1 error locations. SAFE Result, 29.0s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 14.5s AutomataDifference, 0.0s DeadEndRemovalTime, 6.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1889 SDtfs, 2481 SDslu, 5827 SDs, 0 SdLazy, 5677 SolverSat, 1563 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 839 GetRequests, 703 SyntacticMatches, 3 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 7.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=980occurred in iteration=7, 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: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 172 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 1969 PreInvPairs, 2071 NumberOfFragments, 1273 HoareAnnotationTreeSize, 1969 FomulaSimplifications, 5345 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 71 FomulaSimplificationsInter, 6014 FormulaSimplificationTreeSizeReductionInter, 5.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1753 NumberOfCodeBlocks, 1753 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1739 ConstructedInterpolants, 0 QuantifiedInterpolants, 390319 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3552 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 343/383 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...