./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/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 edf277e8e45bc51905c3746c53b47e5f504df38a ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:23:54,578 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:23:54,579 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:23:54,588 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:23:54,588 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:23:54,589 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:23:54,590 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:23:54,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:23:54,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:23:54,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:23:54,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:23:54,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:23:54,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:23:54,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:23:54,597 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:23:54,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:23:54,598 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:23:54,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:23:54,601 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:23:54,602 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:23:54,603 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:23:54,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:23:54,605 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:23:54,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:23:54,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:23:54,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:23:54,607 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:23:54,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:23:54,608 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:23:54,609 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:23:54,609 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:23:54,610 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:23:54,610 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:23:54,610 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:23:54,611 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:23:54,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:23:54,612 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 08:23:54,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:23:54,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:23:54,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:23:54,623 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:23:54,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:23:54,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:23:54,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:23:54,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:23:54,626 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:23:54,626 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:23:54,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:23:54,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:23:54,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:54,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:23:54,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:23:54,627 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:23:54,627 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:23:54,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:23:54,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:23:54,627 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_d4d1c04e-9395-435d-8a39-6600ed9eac4c/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-23 08:23:54,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:23:54,658 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:23:54,660 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:23:54,661 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:23:54,661 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:23:54,662 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:54,701 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/data/ecce17b4f/af5c10d22f004828899fe325d37d992b/FLAG67dd7f2b4 [2018-11-23 08:23:55,070 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:23:55,070 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:55,080 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/data/ecce17b4f/af5c10d22f004828899fe325d37d992b/FLAG67dd7f2b4 [2018-11-23 08:23:55,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/data/ecce17b4f/af5c10d22f004828899fe325d37d992b [2018-11-23 08:23:55,467 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:23:55,468 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:23:55,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:55,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:23:55,471 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:23:55,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55, skipping insertion in model container [2018-11-23 08:23:55,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:23:55,510 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:23:55,710 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:55,720 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:23:55,837 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:23:55,860 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:23:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55 WrapperNode [2018-11-23 08:23:55,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:23:55,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:55,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:23:55,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:23:55,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,877 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,883 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:23:55,883 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:23:55,883 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:23:55,883 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:23:55,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,900 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,906 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... [2018-11-23 08:23:55,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:23:55,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:23:55,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:23:55,912 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:23:55,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:23:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 08:23:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 08:23:55,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:23:55,957 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 08:23:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 08:23:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 08:23:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 08:23:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 08:23:55,958 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 08:23:55,958 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 08:23:55,959 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 08:23:55,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 08:23:55,960 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 08:23:55,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 08:23:55,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 08:23:55,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:23:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:23:55,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 08:23:55,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 08:23:56,436 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:23:56,437 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 08:23:56,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:56 BoogieIcfgContainer [2018-11-23 08:23:56,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:23:56,438 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:23:56,438 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:23:56,441 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:23:56,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:23:55" (1/3) ... [2018-11-23 08:23:56,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7e6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:56, skipping insertion in model container [2018-11-23 08:23:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:23:55" (2/3) ... [2018-11-23 08:23:56,442 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64a7e6d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:23:56, skipping insertion in model container [2018-11-23 08:23:56,442 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:56" (3/3) ... [2018-11-23 08:23:56,443 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-23 08:23:56,452 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:23:56,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:23:56,473 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:23:56,493 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:23:56,494 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:23:56,494 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:23:56,494 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:23:56,494 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:23:56,495 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:23:56,495 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:23:56,495 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:23:56,495 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:23:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-23 08:23:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 08:23:56,521 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:56,522 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] [2018-11-23 08:23:56,524 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:56,528 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:56,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1857615560, now seen corresponding path program 1 times [2018-11-23 08:23:56,530 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:56,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:56,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,570 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:56,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:56,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:56,717 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 08:23:56,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 08:23:56,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 08:23:56,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:23:56,729 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-23 08:23:56,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:56,753 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-11-23 08:23:56,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 08:23:56,754 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 08:23:56,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:56,762 INFO L225 Difference]: With dead ends: 280 [2018-11-23 08:23:56,762 INFO L226 Difference]: Without dead ends: 140 [2018-11-23 08:23:56,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 08:23:56,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-23 08:23:56,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-23 08:23:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-23 08:23:56,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 164 transitions. [2018-11-23 08:23:56,805 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 164 transitions. Word has length 46 [2018-11-23 08:23:56,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:56,805 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 164 transitions. [2018-11-23 08:23:56,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 08:23:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 164 transitions. [2018-11-23 08:23:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 08:23:56,807 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:56,808 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] [2018-11-23 08:23:56,808 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:56,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:56,808 INFO L82 PathProgramCache]: Analyzing trace with hash -1936984543, now seen corresponding path program 1 times [2018-11-23 08:23:56,808 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:56,809 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:56,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:56,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:56,886 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:56,886 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:23:56,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:23:56,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:23:56,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:56,888 INFO L87 Difference]: Start difference. First operand 140 states and 164 transitions. Second operand 3 states. [2018-11-23 08:23:56,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:56,904 INFO L93 Difference]: Finished difference Result 229 states and 267 transitions. [2018-11-23 08:23:56,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:23:56,905 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 08:23:56,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:56,906 INFO L225 Difference]: With dead ends: 229 [2018-11-23 08:23:56,906 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 08:23:56,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:23:56,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 08:23:56,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 08:23:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 08:23:56,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-23 08:23:56,920 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 47 [2018-11-23 08:23:56,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:56,920 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-23 08:23:56,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:23:56,921 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-23 08:23:56,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 08:23:56,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:56,922 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] [2018-11-23 08:23:56,922 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:56,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:56,923 INFO L82 PathProgramCache]: Analyzing trace with hash -722343227, now seen corresponding path program 1 times [2018-11-23 08:23:56,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:56,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:56,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:56,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:57,051 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:57,051 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:23:57,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:23:57,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:23:57,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:57,052 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 7 states. [2018-11-23 08:23:57,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:57,305 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-11-23 08:23:57,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:23:57,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 08:23:57,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:57,307 INFO L225 Difference]: With dead ends: 238 [2018-11-23 08:23:57,307 INFO L226 Difference]: Without dead ends: 131 [2018-11-23 08:23:57,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:23:57,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-23 08:23:57,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-23 08:23:57,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-23 08:23:57,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 151 transitions. [2018-11-23 08:23:57,321 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 151 transitions. Word has length 51 [2018-11-23 08:23:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:57,322 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 151 transitions. [2018-11-23 08:23:57,322 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:23:57,322 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 151 transitions. [2018-11-23 08:23:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 08:23:57,324 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:57,324 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:57,326 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:57,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:57,326 INFO L82 PathProgramCache]: Analyzing trace with hash 284293189, now seen corresponding path program 1 times [2018-11-23 08:23:57,326 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:57,327 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:57,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:57,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:57,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:57,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:57,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:57,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 08:23:57,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 08:23:57,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 08:23:57,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 08:23:57,456 INFO L87 Difference]: Start difference. First operand 131 states and 151 transitions. Second operand 5 states. [2018-11-23 08:23:57,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:57,907 INFO L93 Difference]: Finished difference Result 334 states and 401 transitions. [2018-11-23 08:23:57,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:23:57,907 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-23 08:23:57,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:57,909 INFO L225 Difference]: With dead ends: 334 [2018-11-23 08:23:57,910 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 08:23:57,911 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:23:57,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 08:23:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 209. [2018-11-23 08:23:57,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-11-23 08:23:57,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 238 transitions. [2018-11-23 08:23:57,935 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 238 transitions. Word has length 64 [2018-11-23 08:23:57,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:57,936 INFO L480 AbstractCegarLoop]: Abstraction has 209 states and 238 transitions. [2018-11-23 08:23:57,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 08:23:57,936 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 238 transitions. [2018-11-23 08:23:57,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 08:23:57,938 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:57,938 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:57,938 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:57,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:57,938 INFO L82 PathProgramCache]: Analyzing trace with hash -1111290271, now seen corresponding path program 1 times [2018-11-23 08:23:57,939 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:57,939 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:57,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:57,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:57,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:58,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:58,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:58,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:23:58,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:23:58,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:23:58,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:23:58,062 INFO L87 Difference]: Start difference. First operand 209 states and 238 transitions. Second operand 6 states. [2018-11-23 08:23:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:58,258 INFO L93 Difference]: Finished difference Result 564 states and 664 transitions. [2018-11-23 08:23:58,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:23:58,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-23 08:23:58,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:58,262 INFO L225 Difference]: With dead ends: 564 [2018-11-23 08:23:58,262 INFO L226 Difference]: Without dead ends: 379 [2018-11-23 08:23:58,264 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 [2018-11-23 08:23:58,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-23 08:23:58,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 373. [2018-11-23 08:23:58,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-23 08:23:58,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 426 transitions. [2018-11-23 08:23:58,293 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 426 transitions. Word has length 78 [2018-11-23 08:23:58,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:58,294 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 426 transitions. [2018-11-23 08:23:58,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 426 transitions. [2018-11-23 08:23:58,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-23 08:23:58,295 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:58,296 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:58,296 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:58,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:58,297 INFO L82 PathProgramCache]: Analyzing trace with hash -523312547, now seen corresponding path program 1 times [2018-11-23 08:23:58,297 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:58,298 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:58,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:58,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:58,299 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:58,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:58,383 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 08:23:58,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 08:23:58,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 08:23:58,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:58,384 INFO L87 Difference]: Start difference. First operand 373 states and 426 transitions. Second operand 7 states. [2018-11-23 08:23:58,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:58,866 INFO L93 Difference]: Finished difference Result 406 states and 476 transitions. [2018-11-23 08:23:58,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 08:23:58,868 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-23 08:23:58,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:58,874 INFO L225 Difference]: With dead ends: 406 [2018-11-23 08:23:58,874 INFO L226 Difference]: Without dead ends: 403 [2018-11-23 08:23:58,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 08:23:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-23 08:23:58,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 373. [2018-11-23 08:23:58,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-11-23 08:23:58,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 425 transitions. [2018-11-23 08:23:58,902 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 425 transitions. Word has length 82 [2018-11-23 08:23:58,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:58,902 INFO L480 AbstractCegarLoop]: Abstraction has 373 states and 425 transitions. [2018-11-23 08:23:58,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 08:23:58,903 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 425 transitions. [2018-11-23 08:23:58,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 08:23:58,904 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:58,905 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] [2018-11-23 08:23:58,905 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:58,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:58,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1504884770, now seen corresponding path program 1 times [2018-11-23 08:23:58,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:58,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:58,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:58,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:58,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:23:58,981 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:58,981 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:23:58,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:23:58,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:23:58,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:23:58,982 INFO L87 Difference]: Start difference. First operand 373 states and 425 transitions. Second operand 6 states. [2018-11-23 08:23:59,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:59,023 INFO L93 Difference]: Finished difference Result 736 states and 858 transitions. [2018-11-23 08:23:59,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:23:59,023 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 98 [2018-11-23 08:23:59,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:59,025 INFO L225 Difference]: With dead ends: 736 [2018-11-23 08:23:59,026 INFO L226 Difference]: Without dead ends: 387 [2018-11-23 08:23:59,027 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:59,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 387 states. [2018-11-23 08:23:59,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 387 to 383. [2018-11-23 08:23:59,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-23 08:23:59,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 435 transitions. [2018-11-23 08:23:59,050 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 435 transitions. Word has length 98 [2018-11-23 08:23:59,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:59,050 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 435 transitions. [2018-11-23 08:23:59,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:59,050 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 435 transitions. [2018-11-23 08:23:59,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 08:23:59,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:59,052 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] [2018-11-23 08:23:59,052 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:59,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:59,053 INFO L82 PathProgramCache]: Analyzing trace with hash -611398432, now seen corresponding path program 1 times [2018-11-23 08:23:59,053 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:59,053 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:59,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:59,054 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:59,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:23:59,136 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:59,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 08:23:59,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 08:23:59,137 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 08:23:59,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:23:59,137 INFO L87 Difference]: Start difference. First operand 383 states and 435 transitions. Second operand 8 states. [2018-11-23 08:23:59,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:59,173 INFO L93 Difference]: Finished difference Result 756 states and 880 transitions. [2018-11-23 08:23:59,174 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:23:59,174 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2018-11-23 08:23:59,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:59,176 INFO L225 Difference]: With dead ends: 756 [2018-11-23 08:23:59,176 INFO L226 Difference]: Without dead ends: 397 [2018-11-23 08:23:59,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:23:59,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2018-11-23 08:23:59,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 391. [2018-11-23 08:23:59,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 391 states. [2018-11-23 08:23:59,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 391 states and 443 transitions. [2018-11-23 08:23:59,195 INFO L78 Accepts]: Start accepts. Automaton has 391 states and 443 transitions. Word has length 98 [2018-11-23 08:23:59,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:59,195 INFO L480 AbstractCegarLoop]: Abstraction has 391 states and 443 transitions. [2018-11-23 08:23:59,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 08:23:59,196 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 443 transitions. [2018-11-23 08:23:59,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 08:23:59,197 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:59,197 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] [2018-11-23 08:23:59,197 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:59,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:59,198 INFO L82 PathProgramCache]: Analyzing trace with hash -619157791, now seen corresponding path program 1 times [2018-11-23 08:23:59,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:59,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:59,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:59,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:23:59,296 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:23:59,296 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:23:59,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:23:59,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:23:59,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:59,297 INFO L87 Difference]: Start difference. First operand 391 states and 443 transitions. Second operand 4 states. [2018-11-23 08:23:59,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:59,435 INFO L93 Difference]: Finished difference Result 1153 states and 1376 transitions. [2018-11-23 08:23:59,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:23:59,436 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-23 08:23:59,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:59,439 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 08:23:59,439 INFO L226 Difference]: Without dead ends: 786 [2018-11-23 08:23:59,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:23:59,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2018-11-23 08:23:59,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 771. [2018-11-23 08:23:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 771 states. [2018-11-23 08:23:59,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 771 states to 771 states and 901 transitions. [2018-11-23 08:23:59,475 INFO L78 Accepts]: Start accepts. Automaton has 771 states and 901 transitions. Word has length 98 [2018-11-23 08:23:59,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:59,475 INFO L480 AbstractCegarLoop]: Abstraction has 771 states and 901 transitions. [2018-11-23 08:23:59,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:23:59,475 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 901 transitions. [2018-11-23 08:23:59,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-23 08:23:59,477 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:59,477 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] [2018-11-23 08:23:59,478 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:59,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:59,478 INFO L82 PathProgramCache]: Analyzing trace with hash 440304635, now seen corresponding path program 1 times [2018-11-23 08:23:59,478 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:23:59,478 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:23:59,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:59,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:59,603 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 08:23:59,603 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:59,603 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:23:59,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:59,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:59,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:23:59,930 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:23:59,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:23:59,960 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-23 08:23:59,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 08:23:59,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 08:23:59,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:23:59,961 INFO L87 Difference]: Start difference. First operand 771 states and 901 transitions. Second operand 19 states. [2018-11-23 08:24:00,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:00,862 INFO L93 Difference]: Finished difference Result 1488 states and 1759 transitions. [2018-11-23 08:24:00,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 08:24:00,863 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 102 [2018-11-23 08:24:00,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:00,868 INFO L225 Difference]: With dead ends: 1488 [2018-11-23 08:24:00,868 INFO L226 Difference]: Without dead ends: 741 [2018-11-23 08:24:00,871 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 97 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-23 08:24:00,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 741 states. [2018-11-23 08:24:00,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 741 to 741. [2018-11-23 08:24:00,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 741 states. [2018-11-23 08:24:00,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 741 states and 852 transitions. [2018-11-23 08:24:00,936 INFO L78 Accepts]: Start accepts. Automaton has 741 states and 852 transitions. Word has length 102 [2018-11-23 08:24:00,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:00,937 INFO L480 AbstractCegarLoop]: Abstraction has 741 states and 852 transitions. [2018-11-23 08:24:00,937 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 08:24:00,937 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 852 transitions. [2018-11-23 08:24:00,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 08:24:00,941 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:00,941 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:24:00,941 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:00,941 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:00,942 INFO L82 PathProgramCache]: Analyzing trace with hash -261242511, now seen corresponding path program 1 times [2018-11-23 08:24:00,942 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:24:00,942 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:24:00,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:00,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:00,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 08:24:01,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:24:01,018 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:24:01,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:01,142 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:24:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:24:01,203 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:24:01,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-23 08:24:01,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:24:01,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:24:01,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:24:01,205 INFO L87 Difference]: Start difference. First operand 741 states and 852 transitions. Second operand 6 states. [2018-11-23 08:24:01,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:01,621 INFO L93 Difference]: Finished difference Result 1605 states and 1938 transitions. [2018-11-23 08:24:01,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 08:24:01,622 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-23 08:24:01,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:01,625 INFO L225 Difference]: With dead ends: 1605 [2018-11-23 08:24:01,625 INFO L226 Difference]: Without dead ends: 1008 [2018-11-23 08:24:01,627 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:24:01,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1008 states. [2018-11-23 08:24:01,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1008 to 913. [2018-11-23 08:24:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-11-23 08:24:01,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1068 transitions. [2018-11-23 08:24:01,662 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1068 transitions. Word has length 159 [2018-11-23 08:24:01,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:01,663 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1068 transitions. [2018-11-23 08:24:01,663 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:24:01,663 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1068 transitions. [2018-11-23 08:24:01,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:24:01,665 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:01,665 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:24:01,666 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:01,666 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:01,666 INFO L82 PathProgramCache]: Analyzing trace with hash -1904471733, now seen corresponding path program 1 times [2018-11-23 08:24:01,666 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:24:01,666 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:24:01,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:01,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:01,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:01,778 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 08:24:01,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:24:01,778 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 08:24:01,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:01,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:24:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 08:24:01,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:24:01,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-23 08:24:01,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 08:24:01,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 08:24:01,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 08:24:01,984 INFO L87 Difference]: Start difference. First operand 913 states and 1068 transitions. Second operand 14 states. [2018-11-23 08:24:03,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:03,227 INFO L93 Difference]: Finished difference Result 2517 states and 3221 transitions. [2018-11-23 08:24:03,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 08:24:03,228 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 155 [2018-11-23 08:24:03,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:03,236 INFO L225 Difference]: With dead ends: 2517 [2018-11-23 08:24:03,236 INFO L226 Difference]: Without dead ends: 1752 [2018-11-23 08:24:03,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-23 08:24:03,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1752 states. [2018-11-23 08:24:03,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1752 to 1469. [2018-11-23 08:24:03,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1469 states. [2018-11-23 08:24:03,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1469 states and 1694 transitions. [2018-11-23 08:24:03,317 INFO L78 Accepts]: Start accepts. Automaton has 1469 states and 1694 transitions. Word has length 155 [2018-11-23 08:24:03,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:03,318 INFO L480 AbstractCegarLoop]: Abstraction has 1469 states and 1694 transitions. [2018-11-23 08:24:03,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 08:24:03,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1694 transitions. [2018-11-23 08:24:03,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 08:24:03,320 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:24:03,320 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:24:03,320 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:24:03,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:24:03,321 INFO L82 PathProgramCache]: Analyzing trace with hash -1629712119, now seen corresponding path program 1 times [2018-11-23 08:24:03,321 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:24:03,321 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:24:03,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:03,322 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:24:03,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:24:03,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:24:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-23 08:24:03,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:24:03,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 08:24:03,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:24:03,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:24:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:24:03,446 INFO L87 Difference]: Start difference. First operand 1469 states and 1694 transitions. Second operand 9 states. [2018-11-23 08:24:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:24:03,495 INFO L93 Difference]: Finished difference Result 1879 states and 2167 transitions. [2018-11-23 08:24:03,496 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 08:24:03,496 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-11-23 08:24:03,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:24:03,497 INFO L225 Difference]: With dead ends: 1879 [2018-11-23 08:24:03,497 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:24:03,500 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:24:03,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:24:03,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:24:03,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:24:03,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:24:03,501 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-23 08:24:03,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:24:03,501 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:24:03,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:24:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:24:03,501 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:24:03,505 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:24:03,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:24:03,982 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2018-11-23 08:24:04,419 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 41 [2018-11-23 08:24:05,479 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 32 [2018-11-23 08:24:05,672 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 40 [2018-11-23 08:24:06,128 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-23 08:24:06,128 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,129 INFO L444 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L448 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-23 08:24:06,129 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,130 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,130 INFO L444 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-23 08:24:06,130 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-11-23 08:24:06,130 INFO L451 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-11-23 08:24:06,131 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< ~waterLevel~0 1)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 (not (= ~waterLevel~0 1)) .cse1) .cse2) (or .cse3 .cse4 .cse5 .cse0) (or .cse4 .cse5 .cse0 .cse1) (or .cse3 .cse2 .cse4 .cse0) (or (or (< ~waterLevel~0 2) .cse0 .cse1) .cse2))) [2018-11-23 08:24:06,131 INFO L448 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-11-23 08:24:06,131 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-23 08:24:06,131 INFO L444 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 08:24:06,131 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L444 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-11-23 08:24:06,132 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L444 ceAbstractionStarter]: At program point L533(lines 486 534) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L444 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) (and .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-11-23 08:24:06,132 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L444 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 (<= 2 ~waterLevel~0) .cse1) (and .cse2 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1))) [2018-11-23 08:24:06,133 INFO L444 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1))) [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-11-23 08:24:06,133 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L444 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,134 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-11-23 08:24:06,134 INFO L451 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-23 08:24:06,134 INFO L448 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or (or .cse3 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse1))) [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point L775-2(lines 775 789) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L451 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-11-23 08:24:06,135 INFO L448 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-11-23 08:24:06,136 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse4))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or .cse4 (or .cse0 .cse1 .cse3 .cse5)) (or (or .cse6 .cse3 .cse7) .cse8) (or (or .cse1 .cse3 .cse5 .cse7) (and .cse2 .cse4)) (or (or .cse1 .cse6 .cse3 .cse7) .cse2) (or (or .cse0 .cse6 .cse3) .cse8)))) [2018-11-23 08:24:06,136 INFO L444 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse5 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~waterLevel~0)| 2)) (.cse6 (and (not (= |old(~pumpRunning~0)| 0)) .cse8 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (.cse4 (and .cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 (or .cse7 .cse1 .cse3)) (or (and .cse8 .cse5) (or .cse9 .cse7 .cse1) .cse6) (or .cse4 (or .cse9 .cse0 .cse1 .cse2))))) [2018-11-23 08:24:06,136 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or (or .cse5 .cse3 .cse6 .cse4) .cse0) (or .cse0 (or .cse1 .cse5 .cse3 .cse6)))) [2018-11-23 08:24:06,136 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-11-23 08:24:06,136 INFO L448 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-11-23 08:24:06,136 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-11-23 08:24:06,136 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-11-23 08:24:06,137 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-11-23 08:24:06,137 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:24:06,138 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)) [2018-11-23 08:24:06,138 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:24:06,138 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:24:06,138 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2018-11-23 08:24:06,138 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-11-23 08:24:06,138 INFO L444 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,138 INFO L448 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-11-23 08:24:06,138 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (or .cse3 .cse1 .cse2 (not (= ~waterLevel~0 1))) .cse0) (or .cse0 (or .cse3 .cse1 (< ~waterLevel~0 2) .cse2)))) [2018-11-23 08:24:06,138 INFO L444 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,138 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-11-23 08:24:06,138 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or (or .cse0 .cse2 (not (= ~waterLevel~0 1)) .cse3) .cse1))) [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< |old(~waterLevel~0)| 1)) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1))) (and (or (< |old(~waterLevel~0)| 2) .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse4 .cse3)))) [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-23 08:24:06,139 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-23 08:24:06,139 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-23 08:24:06,140 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-23 08:24:06,140 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-23 08:24:06,140 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-23 08:24:06,140 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-23 08:24:06,140 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-23 08:24:06,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:24:06 BoogieIcfgContainer [2018-11-23 08:24:06,152 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:24:06,152 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:24:06,152 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:24:06,152 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:24:06,153 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:23:56" (3/4) ... [2018-11-23 08:24:06,156 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:24:06,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 08:24:06,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 08:24:06,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:24:06,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 08:24:06,161 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 08:24:06,162 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 08:24:06,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 08:24:06,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 08:24:06,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 08:24:06,163 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 08:24:06,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 08:24:06,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 08:24:06,170 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 08:24:06,171 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 08:24:06,171 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 08:24:06,171 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:24:06,172 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 08:24:06,191 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && splverifierCounter == 0) [2018-11-23 08:24:06,192 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 08:24:06,231 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d4d1c04e-9395-435d-8a39-6600ed9eac4c/bin-2019/uautomizer/witness.graphml [2018-11-23 08:24:06,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:24:06,232 INFO L168 Benchmark]: Toolchain (without parser) took 10765.24 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 360.7 MB). Free memory was 956.5 MB in the beginning and 911.1 MB in the end (delta: 45.4 MB). Peak memory consumption was 406.1 MB. Max. memory is 11.5 GB. [2018-11-23 08:24:06,233 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:24:06,233 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 08:24:06,233 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.35 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. [2018-11-23 08:24:06,234 INFO L168 Benchmark]: Boogie Preprocessor took 28.55 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. [2018-11-23 08:24:06,234 INFO L168 Benchmark]: RCFGBuilder took 525.40 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:24:06,234 INFO L168 Benchmark]: TraceAbstraction took 9713.89 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.1 GB in the beginning and 911.6 MB in the end (delta: 139.0 MB). Peak memory consumption was 388.2 MB. Max. memory is 11.5 GB. [2018-11-23 08:24:06,234 INFO L168 Benchmark]: Witness Printer took 79.51 ms. Allocated memory is still 1.4 GB. Free memory was 911.6 MB in the beginning and 911.1 MB in the end (delta: 411.4 kB). Peak memory consumption was 411.4 kB. Max. memory is 11.5 GB. [2018-11-23 08:24:06,236 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 956.5 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.35 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. * Boogie Preprocessor took 28.55 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 525.40 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9713.89 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 246.9 MB). Free memory was 1.1 GB in the beginning and 911.6 MB in the end (delta: 139.0 MB). Peak memory consumption was 388.2 MB. Max. memory is 11.5 GB. * Witness Printer took 79.51 ms. Allocated memory is still 1.4 GB. Free memory was 911.6 MB in the beginning and 911.1 MB in the end (delta: 411.4 kB). Peak memory consumption was 411.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel == \old(waterLevel)) && splverifierCounter == 0) - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2397 SDtfs, 2208 SDslu, 6857 SDs, 0 SdLazy, 4436 SolverSat, 985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 584 GetRequests, 464 SyntacticMatches, 3 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1469occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 457 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2299 PreInvPairs, 2368 NumberOfFragments, 1915 HoareAnnotationTreeSize, 2299 FomulaSimplifications, 9251 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 8738 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1649 NumberOfCodeBlocks, 1649 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1633 ConstructedInterpolants, 0 QuantifiedInterpolants, 312560 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2465 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 183/193 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...