./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:40:20,636 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:40:20,637 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:40:20,645 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:40:20,645 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:40:20,646 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:40:20,646 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:40:20,647 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:40:20,648 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:40:20,649 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:40:20,649 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:40:20,649 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:40:20,650 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:40:20,650 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:40:20,651 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:40:20,651 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:40:20,652 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:40:20,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:40:20,654 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:40:20,654 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:40:20,655 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:40:20,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:40:20,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:40:20,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:40:20,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:40:20,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:40:20,659 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:40:20,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:40:20,660 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:40:20,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:40:20,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:40:20,661 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:40:20,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:40:20,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:40:20,662 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:40:20,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:40:20,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:40:20,671 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:40:20,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:40:20,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:40:20,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:40:20,672 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:40:20,672 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:40:20,672 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:40:20,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:40:20,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:40:20,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:40:20,674 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:40:20,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:40:20,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:40:20,675 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:40:20,675 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:40:20,675 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:40:20,675 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:40:20,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:40:20,675 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_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-11-28 12:40:20,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:40:20,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:40:20,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:40:20,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:40:20,712 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:40:20,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-28 12:40:20,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/data/8bc0ced5e/d27c5315a0b842249686286333187084/FLAG6ff50e3d1 [2018-11-28 12:40:21,127 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:40:21,128 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-28 12:40:21,137 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/data/8bc0ced5e/d27c5315a0b842249686286333187084/FLAG6ff50e3d1 [2018-11-28 12:40:21,510 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/data/8bc0ced5e/d27c5315a0b842249686286333187084 [2018-11-28 12:40:21,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:40:21,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:40:21,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:21,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:40:21,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:40:21,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64da3a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21, skipping insertion in model container [2018-11-28 12:40:21,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:40:21,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:40:21,749 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:21,760 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:40:21,864 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:40:21,889 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:40:21,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21 WrapperNode [2018-11-28 12:40:21,890 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:40:21,890 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:40:21,890 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:40:21,891 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:40:21,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,912 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,919 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:40:21,920 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:40:21,920 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:40:21,920 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:40:21,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,945 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... [2018-11-28 12:40:21,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:40:21,950 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:40:21,950 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:40:21,950 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:40:21,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 [2018-11-28 12:40:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:40:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:40:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:40:21,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:40:21,987 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:40:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:40:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:40:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:40:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:40:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:40:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:40:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:40:21,988 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:40:21,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:40:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:40:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:40:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:40:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:40:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:40:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:40:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:40:21,989 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:40:21,989 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:40:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:40:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:40:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:40:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:40:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:40:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:40:21,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:40:21,990 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:40:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:40:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:40:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:40:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:40:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:40:21,991 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:40:21,991 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:40:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:40:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:40:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:40:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:40:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:40:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:40:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:40:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:40:21,992 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:40:21,992 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:40:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 12:40:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:40:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:40:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:40:21,993 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:40:21,993 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:40:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:40:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:40:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:40:21,994 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:40:21,994 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:40:22,387 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:40:22,387 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:40:22,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:22 BoogieIcfgContainer [2018-11-28 12:40:22,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:40:22,388 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:40:22,388 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:40:22,391 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:40:22,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:40:21" (1/3) ... [2018-11-28 12:40:22,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7386812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:22, skipping insertion in model container [2018-11-28 12:40:22,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:40:21" (2/3) ... [2018-11-28 12:40:22,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7386812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:40:22, skipping insertion in model container [2018-11-28 12:40:22,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:22" (3/3) ... [2018-11-28 12:40:22,393 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-11-28 12:40:22,402 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:40:22,408 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:40:22,421 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:40:22,439 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:40:22,440 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:40:22,440 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:40:22,440 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:40:22,440 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:40:22,440 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:40:22,440 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:40:22,440 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:40:22,441 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:40:22,459 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-28 12:40:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:40:22,466 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:22,467 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:22,469 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:22,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:22,474 INFO L82 PathProgramCache]: Analyzing trace with hash 1088760993, now seen corresponding path program 1 times [2018-11-28 12:40:22,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:22,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:22,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,509 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:22,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:22,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:22,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:22,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:40:22,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:40:22,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:40:22,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:40:22,667 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-28 12:40:22,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:22,692 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2018-11-28 12:40:22,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:40:22,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:40:22,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:22,701 INFO L225 Difference]: With dead ends: 312 [2018-11-28 12:40:22,701 INFO L226 Difference]: Without dead ends: 156 [2018-11-28 12:40:22,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:40:22,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-28 12:40:22,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-28 12:40:22,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 12:40:22,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2018-11-28 12:40:22,737 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2018-11-28 12:40:22,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:22,738 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2018-11-28 12:40:22,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:40:22,738 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2018-11-28 12:40:22,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:40:22,740 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:22,740 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:22,741 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:22,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:22,741 INFO L82 PathProgramCache]: Analyzing trace with hash -767274034, now seen corresponding path program 1 times [2018-11-28 12:40:22,741 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:22,741 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:22,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:22,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:22,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:22,823 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:22,823 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:40:22,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:40:22,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:40:22,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:40:22,825 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2018-11-28 12:40:22,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:22,849 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-11-28 12:40:22,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:40:22,850 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:40:22,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:22,852 INFO L225 Difference]: With dead ends: 255 [2018-11-28 12:40:22,852 INFO L226 Difference]: Without dead ends: 147 [2018-11-28 12:40:22,853 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:40:22,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-11-28 12:40:22,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-11-28 12:40:22,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-11-28 12:40:22,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2018-11-28 12:40:22,861 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2018-11-28 12:40:22,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:22,861 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2018-11-28 12:40:22,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:40:22,861 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2018-11-28 12:40:22,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:40:22,863 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:22,863 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:22,863 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:22,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:22,863 INFO L82 PathProgramCache]: Analyzing trace with hash -960889978, now seen corresponding path program 1 times [2018-11-28 12:40:22,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:22,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:22,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:22,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:22,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:22,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:40:22,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:40:22,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:40:22,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:40:22,981 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2018-11-28 12:40:23,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:23,414 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2018-11-28 12:40:23,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:40:23,414 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:40:23,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:23,417 INFO L225 Difference]: With dead ends: 443 [2018-11-28 12:40:23,417 INFO L226 Difference]: Without dead ends: 320 [2018-11-28 12:40:23,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:40:23,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-11-28 12:40:23,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2018-11-28 12:40:23,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-11-28 12:40:23,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2018-11-28 12:40:23,450 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2018-11-28 12:40:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:23,450 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2018-11-28 12:40:23,450 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:40:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2018-11-28 12:40:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 12:40:23,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:23,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:23,455 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:23,455 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:23,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1600438353, now seen corresponding path program 1 times [2018-11-28 12:40:23,455 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:23,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:23,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:23,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:23,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:23,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:23,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:23,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:23,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:23,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:23,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:23,544 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2018-11-28 12:40:23,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:23,738 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2018-11-28 12:40:23,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:23,738 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 12:40:23,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:23,742 INFO L225 Difference]: With dead ends: 873 [2018-11-28 12:40:23,742 INFO L226 Difference]: Without dead ends: 585 [2018-11-28 12:40:23,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:40:23,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-11-28 12:40:23,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2018-11-28 12:40:23,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-11-28 12:40:23,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2018-11-28 12:40:23,796 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2018-11-28 12:40:23,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:23,796 INFO L480 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2018-11-28 12:40:23,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2018-11-28 12:40:23,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 12:40:23,799 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:23,799 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:23,799 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:23,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:23,801 INFO L82 PathProgramCache]: Analyzing trace with hash 639771605, now seen corresponding path program 1 times [2018-11-28 12:40:23,801 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:23,801 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:23,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:23,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:23,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:23,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:23,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:23,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:23,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:23,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:23,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:23,898 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2018-11-28 12:40:24,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:24,075 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2018-11-28 12:40:24,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:24,077 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-11-28 12:40:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:24,080 INFO L225 Difference]: With dead ends: 1364 [2018-11-28 12:40:24,080 INFO L226 Difference]: Without dead ends: 809 [2018-11-28 12:40:24,086 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:40:24,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-11-28 12:40:24,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2018-11-28 12:40:24,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-11-28 12:40:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2018-11-28 12:40:24,124 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2018-11-28 12:40:24,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:24,124 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2018-11-28 12:40:24,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:24,124 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2018-11-28 12:40:24,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 12:40:24,126 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:24,127 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] [2018-11-28 12:40:24,127 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:24,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:24,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1209946507, now seen corresponding path program 1 times [2018-11-28 12:40:24,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:24,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:24,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:24,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:24,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:40:24,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:24,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:40:24,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:24,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:24,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:24,188 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2018-11-28 12:40:24,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:24,235 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2018-11-28 12:40:24,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:40:24,236 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-11-28 12:40:24,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:24,240 INFO L225 Difference]: With dead ends: 1586 [2018-11-28 12:40:24,240 INFO L226 Difference]: Without dead ends: 819 [2018-11-28 12:40:24,242 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 [2018-11-28 12:40:24,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-28 12:40:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-11-28 12:40:24,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-28 12:40:24,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2018-11-28 12:40:24,280 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2018-11-28 12:40:24,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:24,280 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2018-11-28 12:40:24,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:24,280 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2018-11-28 12:40:24,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 12:40:24,282 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:24,282 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] [2018-11-28 12:40:24,282 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:24,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:24,283 INFO L82 PathProgramCache]: Analyzing trace with hash 856858125, now seen corresponding path program 1 times [2018-11-28 12:40:24,283 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:24,283 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:24,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:24,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:24,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:40:24,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:24,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 12:40:24,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 12:40:24,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 12:40:24,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:40:24,381 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2018-11-28 12:40:24,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:24,431 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2018-11-28 12:40:24,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:40:24,432 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-11-28 12:40:24,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:24,435 INFO L225 Difference]: With dead ends: 1626 [2018-11-28 12:40:24,435 INFO L226 Difference]: Without dead ends: 839 [2018-11-28 12:40:24,438 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 [2018-11-28 12:40:24,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-11-28 12:40:24,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-11-28 12:40:24,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-11-28 12:40:24,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2018-11-28 12:40:24,474 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2018-11-28 12:40:24,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:24,474 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2018-11-28 12:40:24,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 12:40:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2018-11-28 12:40:24,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 12:40:24,476 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:24,476 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] [2018-11-28 12:40:24,476 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:24,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:24,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048718, now seen corresponding path program 1 times [2018-11-28 12:40:24,477 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:24,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:24,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:24,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 12:40:24,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:40:24,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 12:40:24,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 12:40:24,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 12:40:24,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 12:40:24,538 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2018-11-28 12:40:24,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:24,766 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2018-11-28 12:40:24,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 12:40:24,767 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-11-28 12:40:24,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:24,771 INFO L225 Difference]: With dead ends: 2661 [2018-11-28 12:40:24,771 INFO L226 Difference]: Without dead ends: 1858 [2018-11-28 12:40:24,774 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 [2018-11-28 12:40:24,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-11-28 12:40:24,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2018-11-28 12:40:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-28 12:40:24,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2018-11-28 12:40:24,858 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2018-11-28 12:40:24,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:24,858 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2018-11-28 12:40:24,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 12:40:24,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2018-11-28 12:40:24,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-28 12:40:24,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:24,861 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] [2018-11-28 12:40:24,861 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:24,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:24,862 INFO L82 PathProgramCache]: Analyzing trace with hash -1724957708, now seen corresponding path program 1 times [2018-11-28 12:40:24,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:24,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:24,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:24,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:24,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:40:25,000 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:40:25,000 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 [2018-11-28 12:40:25,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:25,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:25,120 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:40:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:40:25,497 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:40:25,497 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:40:25,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:40:25,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:40:25,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:40:25,498 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 19 states. [2018-11-28 12:40:26,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:26,510 INFO L93 Difference]: Finished difference Result 3614 states and 4534 transitions. [2018-11-28 12:40:26,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:40:26,511 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-11-28 12:40:26,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:26,520 INFO L225 Difference]: With dead ends: 3614 [2018-11-28 12:40:26,520 INFO L226 Difference]: Without dead ends: 1811 [2018-11-28 12:40:26,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:40:26,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1811 states. [2018-11-28 12:40:26,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1811 to 1811. [2018-11-28 12:40:26,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1811 states. [2018-11-28 12:40:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1811 states and 2193 transitions. [2018-11-28 12:40:26,610 INFO L78 Accepts]: Start accepts. Automaton has 1811 states and 2193 transitions. Word has length 107 [2018-11-28 12:40:26,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:26,611 INFO L480 AbstractCegarLoop]: Abstraction has 1811 states and 2193 transitions. [2018-11-28 12:40:26,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:40:26,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2193 transitions. [2018-11-28 12:40:26,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-28 12:40:26,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:26,617 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:40:26,617 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:26,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:26,617 INFO L82 PathProgramCache]: Analyzing trace with hash 1021735852, now seen corresponding path program 1 times [2018-11-28 12:40:26,617 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:26,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:26,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:26,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:26,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-28 12:40:26,697 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:40:26,697 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 [2018-11-28 12:40:26,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:26,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:26,795 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:40:26,825 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:40:26,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:40:26,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 12:40:26,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:40:26,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:40:26,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:40:26,842 INFO L87 Difference]: Start difference. First operand 1811 states and 2193 transitions. Second operand 6 states. [2018-11-28 12:40:27,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:27,379 INFO L93 Difference]: Finished difference Result 4169 states and 5321 transitions. [2018-11-28 12:40:27,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 12:40:27,379 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 180 [2018-11-28 12:40:27,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:27,387 INFO L225 Difference]: With dead ends: 4169 [2018-11-28 12:40:27,387 INFO L226 Difference]: Without dead ends: 2718 [2018-11-28 12:40:27,389 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:40:27,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2718 states. [2018-11-28 12:40:27,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2718 to 2393. [2018-11-28 12:40:27,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2393 states. [2018-11-28 12:40:27,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2393 states to 2393 states and 2919 transitions. [2018-11-28 12:40:27,470 INFO L78 Accepts]: Start accepts. Automaton has 2393 states and 2919 transitions. Word has length 180 [2018-11-28 12:40:27,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:27,470 INFO L480 AbstractCegarLoop]: Abstraction has 2393 states and 2919 transitions. [2018-11-28 12:40:27,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:40:27,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2393 states and 2919 transitions. [2018-11-28 12:40:27,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-28 12:40:27,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:40:27,475 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1] [2018-11-28 12:40:27,475 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:40:27,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:40:27,475 INFO L82 PathProgramCache]: Analyzing trace with hash 56514822, now seen corresponding path program 1 times [2018-11-28 12:40:27,475 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:40:27,475 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:40:27,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:27,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:27,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:40:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:27,591 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 12:40:27,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:40:27,591 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/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 [2018-11-28 12:40:27,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:40:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:40:27,675 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:40:27,784 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 12:40:27,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:40:27,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 12:40:27,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 12:40:27,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 12:40:27,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 12:40:27,801 INFO L87 Difference]: Start difference. First operand 2393 states and 2919 transitions. Second operand 19 states. [2018-11-28 12:40:28,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:40:28,460 INFO L93 Difference]: Finished difference Result 4183 states and 5191 transitions. [2018-11-28 12:40:28,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 12:40:28,460 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 176 [2018-11-28 12:40:28,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:40:28,461 INFO L225 Difference]: With dead ends: 4183 [2018-11-28 12:40:28,461 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:40:28,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 173 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 12:40:28,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:40:28,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:40:28,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:40:28,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:40:28,467 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-11-28 12:40:28,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:40:28,467 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:40:28,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 12:40:28,467 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:40:28,467 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:40:28,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:40:28,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:28,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:40:29,383 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 22 [2018-11-28 12:40:29,757 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 20 [2018-11-28 12:40:29,998 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 23 [2018-11-28 12:40:30,629 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 26 [2018-11-28 12:40:31,309 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 20 [2018-11-28 12:40:31,553 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-11-28 12:40:31,553 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-11-28 12:40:31,553 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-11-28 12:40:31,553 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-11-28 12:40:31,553 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-11-28 12:40:31,553 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,554 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,554 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,554 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-11-28 12:40:31,554 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-11-28 12:40:31,554 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~10 1))) [2018-11-28 12:40:31,554 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= main_~tmp~10 1))) [2018-11-28 12:40:31,554 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-11-28 12:40:31,554 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-11-28 12:40:31,554 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-11-28 12:40:31,554 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 0))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse5 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse0 .cse4 .cse5) (or .cse2 .cse1 .cse6) (or .cse5 .cse4 .cse6) (or .cse3 .cse6))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= ~systemActive~0 0))) (.cse1 (= |old(~systemActive~0)| 0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse6 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse5 .cse6) (or .cse2 .cse1 .cse7) (or .cse4 .cse3 .cse7) (or .cse6 .cse5 .cse7))) [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-11-28 12:40:31,555 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-11-28 12:40:31,556 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-11-28 12:40:31,556 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 .cse0 (= processEnvironment_~tmp~2 ~methaneLevelCritical~0)) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0))) [2018-11-28 12:40:31,557 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:40:31,557 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-28 12:40:31,557 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 (and .cse1 .cse2)) (and .cse0 .cse3 .cse2))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse3 .cse2) (and .cse4 .cse3 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse2))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-28 12:40:31,558 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-11-28 12:40:31,558 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (< ~waterLevel~0 2) (= 0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~waterLevel~0 |old(~waterLevel~0)|) [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-28 12:40:31,559 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2)) (.cse1 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:40:31,559 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (and (= 0 ~pumpRunning~0) (= activatePump_~tmp~3 ~methaneLevelCritical~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 12:40:31,559 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse1 (= ~systemActive~0 0) .cse2))) [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-11-28 12:40:31,560 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 ~pumpRunning~0) .cse0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse1 .cse0)))) [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-28 12:40:31,561 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 12:40:31,561 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse5 .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or (and (<= 2 ~waterLevel~0) (not .cse0) .cse1) .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse4 .cse2 .cse3) (or .cse4 .cse0 .cse5)))) [2018-11-28 12:40:31,561 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 12:40:31,562 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 12:40:31,562 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2))) [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-28 12:40:31,562 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~systemActive~0 0) .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2))) [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-11-28 12:40:31,563 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-11-28 12:40:31,564 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-28 12:40:31,564 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-11-28 12:40:31,564 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-11-28 12:40:31,564 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-11-28 12:40:31,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:40:31 BoogieIcfgContainer [2018-11-28 12:40:31,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:40:31,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:40:31,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:40:31,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:40:31,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:40:22" (3/4) ... [2018-11-28 12:40:31,579 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:40:31,586 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:40:31,587 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:40:31,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:40:31,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:40:31,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:40:31,588 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 12:40:31,595 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-28 12:40:31,595 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 12:40:31,595 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:40:31,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-28 12:40:31,596 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:40:31,597 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:40:31,618 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-28 12:40:31,618 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 12:40:31,652 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_acc8744c-7fe5-4e8d-a690-3e4985335ca9/bin-2019/uautomizer/witness.graphml [2018-11-28 12:40:31,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:40:31,653 INFO L168 Benchmark]: Toolchain (without parser) took 10140.10 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 388.5 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -168.0 MB). Peak memory consumption was 220.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,654 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:40:31,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:40:31,655 INFO L168 Benchmark]: Boogie Preprocessor took 30.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,655 INFO L168 Benchmark]: RCFGBuilder took 437.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,655 INFO L168 Benchmark]: TraceAbstraction took 9186.83 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.7 MB). Peak memory consumption was 513.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,655 INFO L168 Benchmark]: Witness Printer took 77.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:40:31,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.31 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.23 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 437.43 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9186.83 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 274.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -77.7 MB). Peak memory consumption was 513.5 MB. Max. memory is 11.5 GB. * Witness Printer took 77.46 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2504 SDtfs, 1879 SDslu, 9186 SDs, 0 SdLazy, 3712 SolverSat, 481 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 594 GetRequests, 487 SyntacticMatches, 3 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2393occurred in iteration=10, 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 408 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 4913 PreInvPairs, 5267 NumberOfFragments, 1606 HoareAnnotationTreeSize, 4913 FomulaSimplifications, 8235 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 71 FomulaSimplificationsInter, 29361 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1497 NumberOfCodeBlocks, 1497 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1483 ConstructedInterpolants, 0 QuantifiedInterpolants, 284974 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2607 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 221/231 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...