./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer --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 8b70f1184a0eb3743d86be3e0236101e1312b9f0 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:16:46,712 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:16:46,713 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:16:46,720 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:16:46,720 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:16:46,721 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:16:46,721 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:16:46,722 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:16:46,723 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:16:46,724 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:16:46,725 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:16:46,725 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:16:46,725 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:16:46,726 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:16:46,727 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:16:46,727 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:16:46,728 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:16:46,729 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:16:46,730 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:16:46,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:16:46,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:16:46,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:16:46,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:16:46,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:16:46,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:16:46,736 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:16:46,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:16:46,737 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:16:46,737 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:16:46,738 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:16:46,738 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:16:46,739 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:16:46,739 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:16:46,739 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:16:46,740 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:16:46,740 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:16:46,740 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:16:46,750 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:16:46,750 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:16:46,751 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:16:46,751 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:16:46,751 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:16:46,752 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:16:46,752 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:16:46,752 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:16:46,752 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:16:46,752 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:16:46,752 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:16:46,753 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:16:46,754 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:16:46,754 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:16:46,754 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:16:46,754 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:16:46,754 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:16:46,754 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:16:46,754 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:16:46,755 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:16:46,755 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:16:46,755 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:16:46,755 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:16:46,755 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:16:46,755 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer 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 -> 8b70f1184a0eb3743d86be3e0236101e1312b9f0 [2018-11-23 08:16:46,777 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:16:46,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:16:46,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:16:46,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:16:46,789 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:16:46,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:46,831 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/data/7796cd297/e9f1dcfa5b344e7fa37a7427bc7b4513/FLAG9ee99e2d0 [2018-11-23 08:16:47,257 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:16:47,257 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/sv-benchmarks/c/product-lines/minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:47,264 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/data/7796cd297/e9f1dcfa5b344e7fa37a7427bc7b4513/FLAG9ee99e2d0 [2018-11-23 08:16:47,277 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/data/7796cd297/e9f1dcfa5b344e7fa37a7427bc7b4513 [2018-11-23 08:16:47,279 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:16:47,279 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:16:47,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:47,280 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:16:47,282 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:16:47,283 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,284 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcf49fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47, skipping insertion in model container [2018-11-23 08:16:47,284 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:16:47,321 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:16:47,522 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:47,530 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:16:47,658 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:16:47,677 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:16:47,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47 WrapperNode [2018-11-23 08:16:47,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:16:47,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:47,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:16:47,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:16:47,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,704 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:16:47,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:16:47,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:16:47,704 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:16:47,711 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,711 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,732 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... [2018-11-23 08:16:47,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:16:47,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:16:47,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:16:47,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:16:47,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/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 [2018-11-23 08:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:16:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:16:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:16:47,779 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:16:47,779 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:16:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 08:16:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 08:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:16:47,780 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:16:47,780 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:16:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:16:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:16:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:16:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 08:16:47,781 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 08:16:47,781 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 08:16:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 08:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 08:16:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 08:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:16:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:16:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:16:47,782 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:16:47,782 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:16:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:16:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:16:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:16:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:16:47,783 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:16:47,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:16:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:16:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:16:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:16:47,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:16:47,784 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:16:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:16:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:16:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:16:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:16:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:16:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:16:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:16:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:16:47,785 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:16:47,785 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:16:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:16:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:16:47,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:16:47,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:16:48,182 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:16:48,182 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:16:48,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:48 BoogieIcfgContainer [2018-11-23 08:16:48,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:16:48,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:16:48,183 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:16:48,186 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:16:48,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:16:47" (1/3) ... [2018-11-23 08:16:48,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b51032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:48, skipping insertion in model container [2018-11-23 08:16:48,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:16:47" (2/3) ... [2018-11-23 08:16:48,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39b51032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:16:48, skipping insertion in model container [2018-11-23 08:16:48,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:48" (3/3) ... [2018-11-23 08:16:48,189 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61_true-unreach-call_false-termination.cil.c [2018-11-23 08:16:48,197 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:16:48,204 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:16:48,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:16:48,236 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:16:48,237 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:16:48,237 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:16:48,237 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:16:48,237 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:16:48,237 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:16:48,237 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:16:48,237 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:16:48,237 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:16:48,252 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2018-11-23 08:16:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 08:16:48,258 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:48,259 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:48,260 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:48,263 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:48,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1049361000, now seen corresponding path program 1 times [2018-11-23 08:16:48,265 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:48,265 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:48,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:48,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:48,448 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:48,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:48,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:16:48,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:16:48,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:16:48,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:16:48,466 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2018-11-23 08:16:48,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:48,499 INFO L93 Difference]: Finished difference Result 322 states and 399 transitions. [2018-11-23 08:16:48,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:16:48,500 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 08:16:48,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:48,511 INFO L225 Difference]: With dead ends: 322 [2018-11-23 08:16:48,511 INFO L226 Difference]: Without dead ends: 163 [2018-11-23 08:16:48,514 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 [2018-11-23 08:16:48,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-23 08:16:48,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-23 08:16:48,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-23 08:16:48,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 193 transitions. [2018-11-23 08:16:48,559 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 193 transitions. Word has length 59 [2018-11-23 08:16:48,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:48,560 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 193 transitions. [2018-11-23 08:16:48,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:16:48,560 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 193 transitions. [2018-11-23 08:16:48,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 08:16:48,563 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:48,563 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:48,563 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:48,563 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:48,563 INFO L82 PathProgramCache]: Analyzing trace with hash -116176067, now seen corresponding path program 1 times [2018-11-23 08:16:48,563 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:48,564 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:48,564 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:48,565 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:48,639 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:48,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:48,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:16:48,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:16:48,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:16:48,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:16:48,641 INFO L87 Difference]: Start difference. First operand 163 states and 193 transitions. Second operand 3 states. [2018-11-23 08:16:48,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:48,665 INFO L93 Difference]: Finished difference Result 271 states and 321 transitions. [2018-11-23 08:16:48,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:16:48,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 08:16:48,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:48,668 INFO L225 Difference]: With dead ends: 271 [2018-11-23 08:16:48,668 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 08:16:48,669 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 [2018-11-23 08:16:48,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 08:16:48,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-23 08:16:48,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-23 08:16:48,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 181 transitions. [2018-11-23 08:16:48,678 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 181 transitions. Word has length 60 [2018-11-23 08:16:48,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:48,679 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 181 transitions. [2018-11-23 08:16:48,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:16:48,679 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 181 transitions. [2018-11-23 08:16:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 08:16:48,681 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:48,681 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:48,681 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:48,681 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:48,681 INFO L82 PathProgramCache]: Analyzing trace with hash -1168620969, now seen corresponding path program 1 times [2018-11-23 08:16:48,681 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:48,682 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:48,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:48,682 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:48,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:48,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:48,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:16:48,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:16:48,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:16:48,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:48,808 INFO L87 Difference]: Start difference. First operand 154 states and 181 transitions. Second operand 7 states. [2018-11-23 08:16:49,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:49,041 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2018-11-23 08:16:49,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:16:49,041 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 08:16:49,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:49,043 INFO L225 Difference]: With dead ends: 280 [2018-11-23 08:16:49,043 INFO L226 Difference]: Without dead ends: 154 [2018-11-23 08:16:49,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:16:49,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-11-23 08:16:49,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-11-23 08:16:49,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-11-23 08:16:49,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 180 transitions. [2018-11-23 08:16:49,056 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 180 transitions. Word has length 64 [2018-11-23 08:16:49,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:49,058 INFO L480 AbstractCegarLoop]: Abstraction has 154 states and 180 transitions. [2018-11-23 08:16:49,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:16:49,058 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 180 transitions. [2018-11-23 08:16:49,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 08:16:49,060 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:49,061 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:49,061 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:49,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:49,061 INFO L82 PathProgramCache]: Analyzing trace with hash -909291022, now seen corresponding path program 1 times [2018-11-23 08:16:49,061 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:49,061 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:49,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:49,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:49,147 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:49,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:49,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:16:49,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:16:49,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:16:49,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:16:49,148 INFO L87 Difference]: Start difference. First operand 154 states and 180 transitions. Second operand 5 states. [2018-11-23 08:16:49,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:49,488 INFO L93 Difference]: Finished difference Result 399 states and 482 transitions. [2018-11-23 08:16:49,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:16:49,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 82 [2018-11-23 08:16:49,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:49,491 INFO L225 Difference]: With dead ends: 399 [2018-11-23 08:16:49,491 INFO L226 Difference]: Without dead ends: 273 [2018-11-23 08:16:49,492 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:49,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-11-23 08:16:49,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 255. [2018-11-23 08:16:49,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-11-23 08:16:49,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 290 transitions. [2018-11-23 08:16:49,515 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 290 transitions. Word has length 82 [2018-11-23 08:16:49,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:49,515 INFO L480 AbstractCegarLoop]: Abstraction has 255 states and 290 transitions. [2018-11-23 08:16:49,515 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:16:49,516 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 290 transitions. [2018-11-23 08:16:49,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 08:16:49,517 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:49,518 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:49,518 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:49,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:49,519 INFO L82 PathProgramCache]: Analyzing trace with hash -1004802510, now seen corresponding path program 1 times [2018-11-23 08:16:49,519 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:49,519 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:49,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:49,520 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:49,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:49,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:49,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 08:16:49,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:16:49,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:16:49,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:49,601 INFO L87 Difference]: Start difference. First operand 255 states and 290 transitions. Second operand 8 states. [2018-11-23 08:16:49,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:49,640 INFO L93 Difference]: Finished difference Result 489 states and 571 transitions. [2018-11-23 08:16:49,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:16:49,640 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 96 [2018-11-23 08:16:49,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:49,643 INFO L225 Difference]: With dead ends: 489 [2018-11-23 08:16:49,643 INFO L226 Difference]: Without dead ends: 262 [2018-11-23 08:16:49,644 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:16:49,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-11-23 08:16:49,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 259. [2018-11-23 08:16:49,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-11-23 08:16:49,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 294 transitions. [2018-11-23 08:16:49,662 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 294 transitions. Word has length 96 [2018-11-23 08:16:49,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:49,663 INFO L480 AbstractCegarLoop]: Abstraction has 259 states and 294 transitions. [2018-11-23 08:16:49,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:16:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 294 transitions. [2018-11-23 08:16:49,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-23 08:16:49,664 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:49,665 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:49,665 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:49,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:49,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1279562124, now seen corresponding path program 1 times [2018-11-23 08:16:49,665 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:49,665 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:49,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:49,666 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:49,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:49,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 08:16:49,783 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:49,783 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:16:49,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:16:49,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:16:49,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:49,784 INFO L87 Difference]: Start difference. First operand 259 states and 294 transitions. Second operand 7 states. [2018-11-23 08:16:50,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:50,156 INFO L93 Difference]: Finished difference Result 507 states and 591 transitions. [2018-11-23 08:16:50,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 08:16:50,157 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 96 [2018-11-23 08:16:50,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:50,158 INFO L225 Difference]: With dead ends: 507 [2018-11-23 08:16:50,158 INFO L226 Difference]: Without dead ends: 276 [2018-11-23 08:16:50,159 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:16:50,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-23 08:16:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 258. [2018-11-23 08:16:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-11-23 08:16:50,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 291 transitions. [2018-11-23 08:16:50,176 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 291 transitions. Word has length 96 [2018-11-23 08:16:50,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:50,176 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 291 transitions. [2018-11-23 08:16:50,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:16:50,177 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 291 transitions. [2018-11-23 08:16:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 08:16:50,178 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:50,178 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:50,178 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:50,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:50,178 INFO L82 PathProgramCache]: Analyzing trace with hash 480938447, now seen corresponding path program 1 times [2018-11-23 08:16:50,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:50,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:50,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:50,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:50,243 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:50,244 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:50,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:16:50,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:16:50,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:16:50,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:16:50,245 INFO L87 Difference]: Start difference. First operand 258 states and 291 transitions. Second operand 6 states. [2018-11-23 08:16:50,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:50,278 INFO L93 Difference]: Finished difference Result 495 states and 572 transitions. [2018-11-23 08:16:50,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:16:50,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-11-23 08:16:50,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:50,280 INFO L225 Difference]: With dead ends: 495 [2018-11-23 08:16:50,280 INFO L226 Difference]: Without dead ends: 265 [2018-11-23 08:16:50,281 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:16:50,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-11-23 08:16:50,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 263. [2018-11-23 08:16:50,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-11-23 08:16:50,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 296 transitions. [2018-11-23 08:16:50,294 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 296 transitions. Word has length 112 [2018-11-23 08:16:50,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:50,294 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 296 transitions. [2018-11-23 08:16:50,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:16:50,294 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 296 transitions. [2018-11-23 08:16:50,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-11-23 08:16:50,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:50,296 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 08:16:50,296 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:50,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:50,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1105696788, now seen corresponding path program 1 times [2018-11-23 08:16:50,296 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:50,296 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:50,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:50,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:50,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:50,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:16:50,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:16:50,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:16:50,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:16:50,362 INFO L87 Difference]: Start difference. First operand 263 states and 296 transitions. Second operand 4 states. [2018-11-23 08:16:50,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:50,502 INFO L93 Difference]: Finished difference Result 754 states and 890 transitions. [2018-11-23 08:16:50,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:16:50,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-11-23 08:16:50,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:50,505 INFO L225 Difference]: With dead ends: 754 [2018-11-23 08:16:50,505 INFO L226 Difference]: Without dead ends: 519 [2018-11-23 08:16:50,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:16:50,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-11-23 08:16:50,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 510. [2018-11-23 08:16:50,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2018-11-23 08:16:50,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 591 transitions. [2018-11-23 08:16:50,527 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 591 transitions. Word has length 112 [2018-11-23 08:16:50,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:50,528 INFO L480 AbstractCegarLoop]: Abstraction has 510 states and 591 transitions. [2018-11-23 08:16:50,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:16:50,528 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 591 transitions. [2018-11-23 08:16:50,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-23 08:16:50,529 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:50,530 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1] [2018-11-23 08:16:50,530 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:50,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:50,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1537655450, now seen corresponding path program 1 times [2018-11-23 08:16:50,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:50,530 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:50,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:50,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:50,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:16:50,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:16:50,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:16:50,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:16:50,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:16:50,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:16:50,638 INFO L87 Difference]: Start difference. First operand 510 states and 591 transitions. Second operand 9 states. [2018-11-23 08:16:51,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:51,274 INFO L93 Difference]: Finished difference Result 1335 states and 1616 transitions. [2018-11-23 08:16:51,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 08:16:51,277 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2018-11-23 08:16:51,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:51,281 INFO L225 Difference]: With dead ends: 1335 [2018-11-23 08:16:51,281 INFO L226 Difference]: Without dead ends: 926 [2018-11-23 08:16:51,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:16:51,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2018-11-23 08:16:51,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 850. [2018-11-23 08:16:51,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 850 states. [2018-11-23 08:16:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 973 transitions. [2018-11-23 08:16:51,332 INFO L78 Accepts]: Start accepts. Automaton has 850 states and 973 transitions. Word has length 116 [2018-11-23 08:16:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:51,333 INFO L480 AbstractCegarLoop]: Abstraction has 850 states and 973 transitions. [2018-11-23 08:16:51,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:16:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 973 transitions. [2018-11-23 08:16:51,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-23 08:16:51,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:51,335 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:51,335 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:51,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:51,336 INFO L82 PathProgramCache]: Analyzing trace with hash -154358625, now seen corresponding path program 1 times [2018-11-23 08:16:51,336 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:51,336 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:51,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:51,337 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:51,337 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:51,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:51,450 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 08:16:51,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:51,450 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/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 [2018-11-23 08:16:51,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:51,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:51,723 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:16:51,739 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:16:51,740 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-23 08:16:51,740 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 08:16:51,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 08:16:51,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:16:51,741 INFO L87 Difference]: Start difference. First operand 850 states and 973 transitions. Second operand 16 states. [2018-11-23 08:16:52,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:52,313 INFO L93 Difference]: Finished difference Result 1867 states and 2220 transitions. [2018-11-23 08:16:52,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 08:16:52,314 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 193 [2018-11-23 08:16:52,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:52,317 INFO L225 Difference]: With dead ends: 1867 [2018-11-23 08:16:52,317 INFO L226 Difference]: Without dead ends: 1116 [2018-11-23 08:16:52,319 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-23 08:16:52,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2018-11-23 08:16:52,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 996. [2018-11-23 08:16:52,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 996 states. [2018-11-23 08:16:52,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 996 states to 996 states and 1153 transitions. [2018-11-23 08:16:52,359 INFO L78 Accepts]: Start accepts. Automaton has 996 states and 1153 transitions. Word has length 193 [2018-11-23 08:16:52,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:52,359 INFO L480 AbstractCegarLoop]: Abstraction has 996 states and 1153 transitions. [2018-11-23 08:16:52,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 08:16:52,359 INFO L276 IsEmpty]: Start isEmpty. Operand 996 states and 1153 transitions. [2018-11-23 08:16:52,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-11-23 08:16:52,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:52,363 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:16:52,363 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:52,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:52,364 INFO L82 PathProgramCache]: Analyzing trace with hash -373422984, now seen corresponding path program 1 times [2018-11-23 08:16:52,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:52,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:52,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:52,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:52,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:52,518 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 94 proven. 9 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-11-23 08:16:52,519 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:52,519 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/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 [2018-11-23 08:16:52,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:52,635 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:52,769 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 235 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-23 08:16:52,785 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:16:52,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-23 08:16:52,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 08:16:52,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 08:16:52,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:16:52,786 INFO L87 Difference]: Start difference. First operand 996 states and 1153 transitions. Second operand 18 states. [2018-11-23 08:16:54,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:54,383 INFO L93 Difference]: Finished difference Result 2634 states and 3234 transitions. [2018-11-23 08:16:54,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 08:16:54,383 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 327 [2018-11-23 08:16:54,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:54,388 INFO L225 Difference]: With dead ends: 2634 [2018-11-23 08:16:54,389 INFO L226 Difference]: Without dead ends: 1419 [2018-11-23 08:16:54,392 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 372 GetRequests, 332 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-23 08:16:54,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-11-23 08:16:54,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1315. [2018-11-23 08:16:54,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1315 states. [2018-11-23 08:16:54,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1315 states to 1315 states and 1509 transitions. [2018-11-23 08:16:54,470 INFO L78 Accepts]: Start accepts. Automaton has 1315 states and 1509 transitions. Word has length 327 [2018-11-23 08:16:54,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:54,471 INFO L480 AbstractCegarLoop]: Abstraction has 1315 states and 1509 transitions. [2018-11-23 08:16:54,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 08:16:54,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1509 transitions. [2018-11-23 08:16:54,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 417 [2018-11-23 08:16:54,478 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:16:54,479 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 08:16:54,479 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:16:54,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:16:54,479 INFO L82 PathProgramCache]: Analyzing trace with hash 1691193186, now seen corresponding path program 1 times [2018-11-23 08:16:54,479 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:16:54,479 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:16:54,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:54,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:54,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:16:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:54,626 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2018-11-23 08:16:54,626 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:16:54,627 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/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 [2018-11-23 08:16:54,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:16:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:16:54,800 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:16:54,933 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2018-11-23 08:16:54,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:16:54,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 08:16:54,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 08:16:54,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 08:16:54,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:16:54,960 INFO L87 Difference]: Start difference. First operand 1315 states and 1509 transitions. Second operand 13 states. [2018-11-23 08:16:55,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:16:55,019 INFO L93 Difference]: Finished difference Result 1611 states and 1838 transitions. [2018-11-23 08:16:55,019 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:16:55,019 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 416 [2018-11-23 08:16:55,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:16:55,020 INFO L225 Difference]: With dead ends: 1611 [2018-11-23 08:16:55,020 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:16:55,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 415 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 08:16:55,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:16:55,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:16:55,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:16:55,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:16:55,023 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 416 [2018-11-23 08:16:55,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:16:55,023 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:16:55,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 08:16:55,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:16:55,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:16:55,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:16:55,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,227 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:16:55,646 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-23 08:16:55,958 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-23 08:16:56,398 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-23 08:16:57,336 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-23 08:16:57,781 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 904 910) the Hoare annotation is: true [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 904 910) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 911 919) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 911 919) the Hoare annotation is: true [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 911 919) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 835 842) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 835 842) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 835 842) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 843 852) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 843 852) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 843 852) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 875) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L444 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~10 ~waterLevel~0))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse5 .cse3))) [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point L863-1(line 863) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point L861(lines 861 878) no Hoare annotation was computed. [2018-11-23 08:16:57,781 INFO L448 ceAbstractionStarter]: For program point L861-1(lines 853 881) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L451 ceAbstractionStarter]: At program point L859(line 859) the Hoare annotation is: true [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L859-1(line 859) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 853 881) the Hoare annotation is: true [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 853 881) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 872) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1003 1025) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1003 1025) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L1015(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L1015-1(line 1015) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L1013(lines 1013 1020) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L1013-1(lines 1013 1020) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L1011(line 1011) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L1010(line 1010) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L1009(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L1009-1(line 1009) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 1003 1025) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 200) no Hoare annotation was computed. [2018-11-23 08:16:57,782 INFO L444 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L190-1(line 190) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L188(lines 188 205) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 184 208) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 184 208) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L444 ceAbstractionStarter]: At program point L203(line 203) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 184 208) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L444 ceAbstractionStarter]: At program point L198(line 198) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,783 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (= processEnvironment__wrappee__methaneQuery_~tmp~2 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 279 287) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 279 287) the Hoare annotation is: true [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 279 287) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L352(lines 352 356) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L451 ceAbstractionStarter]: At program point L350(line 350) the Hoare annotation is: true [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L352-2(lines 352 356) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point L350-1(line 350) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 343 361) the Hoare annotation is: true [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 343 361) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 343 361) no Hoare annotation was computed. [2018-11-23 08:16:57,783 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 897 903) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 897 903) the Hoare annotation is: true [2018-11-23 08:16:57,784 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 992 1002) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 992 1002) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 992 1002) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L444 ceAbstractionStarter]: At program point L997(line 997) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,784 INFO L451 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: true [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point L273-1(line 273) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 268 278) the Hoare annotation is: true [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 268 278) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 268 278) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 260 267) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 260 267) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 260 267) no Hoare annotation was computed. [2018-11-23 08:16:57,784 INFO L448 ceAbstractionStarter]: For program point L447(lines 447 453) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 443 456) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 443 456) the Hoare annotation is: true [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 443 456) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L444 ceAbstractionStarter]: At program point L224(line 224) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,785 INFO L444 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 226) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 210 234) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 231) no Hoare annotation was computed. [2018-11-23 08:16:57,785 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 210 234) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 210 234) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 150 156) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 150 156) the Hoare annotation is: true [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L97(lines 54 99) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 70) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 44 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 64 70) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 44 107) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L100(lines 53 101) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L90-2(lines 84 95) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L55(lines 54 99) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 95) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L76(line 76) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 80) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 44 107) no Hoare annotation was computed. [2018-11-23 08:16:57,786 INFO L444 ceAbstractionStarter]: At program point L66(line 66) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (and .cse2 .cse0 .cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse2 (= 1 ~waterLevel~0) .cse1))) [2018-11-23 08:16:57,787 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 235 242) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 235 242) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 235 242) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 457 465) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 457 465) the Hoare annotation is: true [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 457 465) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L444 ceAbstractionStarter]: At program point L254(line 254) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point L254-1(lines 243 259) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 243 259) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 256) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 243 259) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 08:16:57,787 INFO L444 ceAbstractionStarter]: At program point L248(line 248) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point L248-1(line 248) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 434 442) the Hoare annotation is: true [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-23 08:16:57,787 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 324 342) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 337) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 324 342) the Hoare annotation is: true [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 324 342) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 390 401) the Hoare annotation is: true [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 390 401) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 390 401) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 402 410) the Hoare annotation is: true [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 402 410) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 402 410) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 931 960) no Hoare annotation was computed. [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 931 960) the Hoare annotation is: true [2018-11-23 08:16:57,788 INFO L451 ceAbstractionStarter]: At program point L956(lines 931 960) the Hoare annotation is: true [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L952(line 952) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L945(lines 945 949) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L451 ceAbstractionStarter]: At program point L945-1(lines 945 949) the Hoare annotation is: true [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L451 ceAbstractionStarter]: At program point L941-2(lines 941 955) the Hoare annotation is: true [2018-11-23 08:16:57,789 INFO L451 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: true [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L937-1(line 937) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L128(lines 126 148) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 123 149) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-23 08:16:57,789 INFO L444 ceAbstractionStarter]: At program point L139(line 139) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 123 149) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L444 ceAbstractionStarter]: At program point L137(lines 137 143) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 123 149) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L130(lines 126 148) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-11-23 08:16:57,789 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 366 377) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 08:16:57,789 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 366 377) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 985 991) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 985 991) the Hoare annotation is: true [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 08:16:57,790 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 158 182) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 158 182) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 158 182) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 174) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point L164(line 164) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point L164-1(line 164) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point L162(lines 162 179) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 378 389) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-11-23 08:16:57,790 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-23 08:16:57,791 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 921 928) no Hoare annotation was computed. [2018-11-23 08:16:57,791 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 921 928) the Hoare annotation is: true [2018-11-23 08:16:57,791 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 925) no Hoare annotation was computed. [2018-11-23 08:16:57,791 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 921 928) no Hoare annotation was computed. [2018-11-23 08:16:57,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:16:57 BoogieIcfgContainer [2018-11-23 08:16:57,799 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:16:57,800 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:16:57,800 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:16:57,800 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:16:57,800 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:16:48" (3/4) ... [2018-11-23 08:16:57,803 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:16:57,807 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:16:57,808 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:16:57,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:16:57,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:16:57,809 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:16:57,815 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 08:16:57,815 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:16:57,816 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:16:57,816 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:16:57,816 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:16:57,817 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:16:57,817 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:16:57,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-23 08:16:57,840 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 08:16:57,874 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_29a873c2-e699-4fd1-ba39-b80ffe3a660c/bin-2019/uautomizer/witness.graphml [2018-11-23 08:16:57,874 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:16:57,875 INFO L168 Benchmark]: Toolchain (without parser) took 10596.11 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 549.5 MB). Free memory was 955.9 MB in the beginning and 953.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 552.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:57,875 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:57,876 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:57,876 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:57,876 INFO L168 Benchmark]: Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:16:57,876 INFO L168 Benchmark]: RCFGBuilder took 447.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:57,876 INFO L168 Benchmark]: TraceAbstraction took 9616.13 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.3 MB). Free memory was 1.1 GB in the beginning and 968.2 MB in the end (delta: 122.2 MB). Peak memory consumption was 537.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:57,877 INFO L168 Benchmark]: Witness Printer took 74.78 ms. Allocated memory is still 1.6 GB. Free memory was 968.2 MB in the beginning and 953.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:16:57,878 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 955.9 MB in the beginning and 1.1 GB in the end (delta: -191.4 MB). Peak memory consumption was 34.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 447.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.9 MB). Peak memory consumption was 56.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9616.13 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 384.3 MB). Free memory was 1.1 GB in the beginning and 968.2 MB in the end (delta: 122.2 MB). Peak memory consumption was 537.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.78 ms. Allocated memory is still 1.6 GB. Free memory was 968.2 MB in the beginning and 953.1 MB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 925]: 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: 54]: Loop Invariant Derived loop invariant: ((((((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && \old(waterLevel) == waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 941]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 176 locations, 1 error locations. SAFE Result, 9.5s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2670 SDtfs, 2786 SDslu, 8125 SDs, 0 SdLazy, 5944 SolverSat, 1522 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1127 GetRequests, 988 SyntacticMatches, 3 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 544 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1315occurred in iteration=11, 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: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 350 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 2222 PreInvPairs, 2293 NumberOfFragments, 1954 HoareAnnotationTreeSize, 2222 FomulaSimplifications, 9846 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 72 FomulaSimplificationsInter, 14881 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 2669 NumberOfCodeBlocks, 2669 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2654 ConstructedInterpolants, 0 QuantifiedInterpolants, 912984 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3797 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1956/2011 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...