./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/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 9c111f83061d8c18367444893b685a787d8ca976 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:23:11,812 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:23:11,813 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:23:11,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:23:11,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:23:11,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:23:11,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:23:11,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:23:11,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:23:11,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:23:11,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:23:11,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:23:11,827 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:23:11,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:23:11,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:23:11,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:23:11,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:23:11,831 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:23:11,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:23:11,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:23:11,834 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:23:11,835 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:23:11,837 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:23:11,837 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:23:11,837 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:23:11,838 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:23:11,838 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:23:11,839 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:23:11,839 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:23:11,840 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:23:11,840 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:23:11,841 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:23:11,842 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:23:11,842 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:23:11,842 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:23:11,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:23:11,843 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 09:23:11,852 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:23:11,852 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:23:11,853 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:23:11,853 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:23:11,854 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:23:11,854 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:23:11,854 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:23:11,854 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:23:11,854 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:23:11,854 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:23:11,854 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:23:11,855 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:23:11,856 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:23:11,856 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:23:11,856 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:23:11,856 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:23:11,856 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:23:11,856 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:23:11,856 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:23:11,857 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:23:11,857 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:23:11,857 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:23:11,857 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:23:11,857 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_029255b9-c94d-405d-864e-dfeea6886b20/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 -> 9c111f83061d8c18367444893b685a787d8ca976 [2018-11-18 09:23:11,880 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:23:11,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:23:11,891 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:23:11,892 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:23:11,893 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:23:11,893 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 09:23:11,937 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/data/6730f4806/8e9a8a57b78744d79ff06015f8bd13fa/FLAG6dd86fe1c [2018-11-18 09:23:12,299 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:23:12,299 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/sv-benchmarks/c/product-lines/minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 09:23:12,310 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/data/6730f4806/8e9a8a57b78744d79ff06015f8bd13fa/FLAG6dd86fe1c [2018-11-18 09:23:12,321 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/data/6730f4806/8e9a8a57b78744d79ff06015f8bd13fa [2018-11-18 09:23:12,323 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:23:12,324 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:23:12,324 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:23:12,324 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:23:12,326 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:23:12,327 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,329 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3102a3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12, skipping insertion in model container [2018-11-18 09:23:12,329 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,335 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:23:12,366 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:23:12,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:23:12,560 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:23:12,669 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:23:12,687 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:23:12,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12 WrapperNode [2018-11-18 09:23:12,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:23:12,688 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:23:12,688 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:23:12,688 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:23:12,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,730 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,738 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... [2018-11-18 09:23:12,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:23:12,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:23:12,746 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:23:12,746 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:23:12,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/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 [2018-11-18 09:23:12,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 09:23:12,786 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 09:23:12,787 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2018-11-18 09:23:12,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 09:23:12,789 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:23:12,789 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2018-11-18 09:23:12,790 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure free [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:23:12,791 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:23:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:23:13,383 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:23:13,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:23:13 BoogieIcfgContainer [2018-11-18 09:23:13,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:23:13,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:23:13,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:23:13,386 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:23:13,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:23:12" (1/3) ... [2018-11-18 09:23:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9c71f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:23:13, skipping insertion in model container [2018-11-18 09:23:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:23:12" (2/3) ... [2018-11-18 09:23:13,387 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b9c71f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:23:13, skipping insertion in model container [2018-11-18 09:23:13,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:23:13" (3/3) ... [2018-11-18 09:23:13,388 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product40_true-unreach-call_false-termination.cil.c [2018-11-18 09:23:13,394 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:23:13,400 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:23:13,415 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:23:13,440 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:23:13,441 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:23:13,441 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:23:13,441 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:23:13,441 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:23:13,441 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:23:13,441 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:23:13,442 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:23:13,442 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:23:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2018-11-18 09:23:13,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 09:23:13,466 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:13,467 INFO L375 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] [2018-11-18 09:23:13,468 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:13,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:13,472 INFO L82 PathProgramCache]: Analyzing trace with hash -238063391, now seen corresponding path program 1 times [2018-11-18 09:23:13,473 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:13,473 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:13,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:13,509 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:13,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:13,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:13,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:23:13,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:23:13,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:23:13,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:23:13,712 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 2 states. [2018-11-18 09:23:13,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:13,742 INFO L93 Difference]: Finished difference Result 276 states and 343 transitions. [2018-11-18 09:23:13,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:23:13,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 09:23:13,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:13,752 INFO L225 Difference]: With dead ends: 276 [2018-11-18 09:23:13,752 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 09:23:13,755 INFO L604 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 [2018-11-18 09:23:13,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 09:23:13,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 09:23:13,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 09:23:13,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-11-18 09:23:13,793 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 51 [2018-11-18 09:23:13,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:13,793 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-11-18 09:23:13,793 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:23:13,793 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-11-18 09:23:13,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 09:23:13,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:13,796 INFO L375 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] [2018-11-18 09:23:13,796 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:13,796 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:13,796 INFO L82 PathProgramCache]: Analyzing trace with hash 4699449, now seen corresponding path program 1 times [2018-11-18 09:23:13,797 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:13,797 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:13,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,797 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:13,797 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:13,914 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:13,914 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:23:13,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:23:13,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:23:13,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:23:13,916 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-11-18 09:23:13,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:13,934 INFO L93 Difference]: Finished difference Result 213 states and 251 transitions. [2018-11-18 09:23:13,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:23:13,935 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 09:23:13,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:13,937 INFO L225 Difference]: With dead ends: 213 [2018-11-18 09:23:13,937 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 09:23:13,938 INFO L604 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 [2018-11-18 09:23:13,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 09:23:13,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 09:23:13,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 09:23:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-18 09:23:13,950 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 53 [2018-11-18 09:23:13,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:13,950 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-18 09:23:13,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:23:13,951 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-18 09:23:13,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 09:23:13,952 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:13,952 INFO L375 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] [2018-11-18 09:23:13,952 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:13,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:13,953 INFO L82 PathProgramCache]: Analyzing trace with hash 708042296, now seen corresponding path program 1 times [2018-11-18 09:23:13,953 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:13,953 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:13,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:13,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:14,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:14,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:14,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:23:14,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:23:14,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:23:14,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:23:14,070 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-18 09:23:14,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:14,466 INFO L93 Difference]: Finished difference Result 386 states and 471 transitions. [2018-11-18 09:23:14,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:23:14,467 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 09:23:14,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:14,469 INFO L225 Difference]: With dead ends: 386 [2018-11-18 09:23:14,469 INFO L226 Difference]: Without dead ends: 284 [2018-11-18 09:23:14,470 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:23:14,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-11-18 09:23:14,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2018-11-18 09:23:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-18 09:23:14,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 331 transitions. [2018-11-18 09:23:14,497 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 331 transitions. Word has length 58 [2018-11-18 09:23:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:14,498 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 331 transitions. [2018-11-18 09:23:14,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:23:14,498 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 331 transitions. [2018-11-18 09:23:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 09:23:14,500 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:14,500 INFO L375 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] [2018-11-18 09:23:14,501 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:14,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:14,501 INFO L82 PathProgramCache]: Analyzing trace with hash -1792764001, now seen corresponding path program 1 times [2018-11-18 09:23:14,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:14,502 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:14,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:14,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:14,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:14,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:14,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:14,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:23:14,599 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:23:14,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:23:14,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:23:14,600 INFO L87 Difference]: Start difference. First operand 272 states and 331 transitions. Second operand 6 states. [2018-11-18 09:23:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:14,771 INFO L93 Difference]: Finished difference Result 742 states and 927 transitions. [2018-11-18 09:23:14,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:23:14,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 09:23:14,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:14,776 INFO L225 Difference]: With dead ends: 742 [2018-11-18 09:23:14,776 INFO L226 Difference]: Without dead ends: 498 [2018-11-18 09:23:14,777 INFO L604 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 [2018-11-18 09:23:14,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2018-11-18 09:23:14,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 492. [2018-11-18 09:23:14,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 492 states. [2018-11-18 09:23:14,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 602 transitions. [2018-11-18 09:23:14,813 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 602 transitions. Word has length 63 [2018-11-18 09:23:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:14,814 INFO L480 AbstractCegarLoop]: Abstraction has 492 states and 602 transitions. [2018-11-18 09:23:14,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:23:14,814 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 602 transitions. [2018-11-18 09:23:14,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 09:23:14,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:14,817 INFO L375 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] [2018-11-18 09:23:14,817 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:14,817 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:14,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1381302533, now seen corresponding path program 1 times [2018-11-18 09:23:14,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:14,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:14,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:14,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:14,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:14,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:14,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:23:14,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:23:14,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:23:14,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:23:14,921 INFO L87 Difference]: Start difference. First operand 492 states and 602 transitions. Second operand 7 states. [2018-11-18 09:23:15,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:15,450 INFO L93 Difference]: Finished difference Result 1293 states and 1700 transitions. [2018-11-18 09:23:15,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 09:23:15,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 09:23:15,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:15,455 INFO L225 Difference]: With dead ends: 1293 [2018-11-18 09:23:15,455 INFO L226 Difference]: Without dead ends: 829 [2018-11-18 09:23:15,456 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:23:15,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-11-18 09:23:15,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 725. [2018-11-18 09:23:15,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2018-11-18 09:23:15,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 881 transitions. [2018-11-18 09:23:15,493 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 881 transitions. Word has length 67 [2018-11-18 09:23:15,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:15,493 INFO L480 AbstractCegarLoop]: Abstraction has 725 states and 881 transitions. [2018-11-18 09:23:15,493 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:23:15,494 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 881 transitions. [2018-11-18 09:23:15,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:23:15,495 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:15,495 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:15,496 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:15,496 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:15,496 INFO L82 PathProgramCache]: Analyzing trace with hash 284517115, now seen corresponding path program 1 times [2018-11-18 09:23:15,496 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:15,496 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:15,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:15,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:15,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:15,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:15,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 09:23:15,571 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:23:15,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:23:15,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:23:15,572 INFO L87 Difference]: Start difference. First operand 725 states and 881 transitions. Second operand 6 states. [2018-11-18 09:23:15,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:15,622 INFO L93 Difference]: Finished difference Result 1442 states and 1784 transitions. [2018-11-18 09:23:15,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:23:15,625 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 09:23:15,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:15,628 INFO L225 Difference]: With dead ends: 1442 [2018-11-18 09:23:15,628 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 09:23:15,630 INFO L604 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 [2018-11-18 09:23:15,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 09:23:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 745. [2018-11-18 09:23:15,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2018-11-18 09:23:15,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 901 transitions. [2018-11-18 09:23:15,668 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 901 transitions. Word has length 90 [2018-11-18 09:23:15,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:15,669 INFO L480 AbstractCegarLoop]: Abstraction has 745 states and 901 transitions. [2018-11-18 09:23:15,669 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:23:15,669 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 901 transitions. [2018-11-18 09:23:15,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:23:15,670 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:15,671 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:15,671 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:15,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:15,671 INFO L82 PathProgramCache]: Analyzing trace with hash 986116989, now seen corresponding path program 1 times [2018-11-18 09:23:15,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:15,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:15,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:15,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:15,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:15,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:15,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 09:23:15,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:23:15,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:23:15,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:23:15,748 INFO L87 Difference]: Start difference. First operand 745 states and 901 transitions. Second operand 8 states. [2018-11-18 09:23:15,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:15,796 INFO L93 Difference]: Finished difference Result 1490 states and 1862 transitions. [2018-11-18 09:23:15,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:23:15,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-11-18 09:23:15,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:15,803 INFO L225 Difference]: With dead ends: 1490 [2018-11-18 09:23:15,803 INFO L226 Difference]: Without dead ends: 773 [2018-11-18 09:23:15,805 INFO L604 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 [2018-11-18 09:23:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-11-18 09:23:15,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 761. [2018-11-18 09:23:15,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 761 states. [2018-11-18 09:23:15,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 761 states and 917 transitions. [2018-11-18 09:23:15,839 INFO L78 Accepts]: Start accepts. Automaton has 761 states and 917 transitions. Word has length 90 [2018-11-18 09:23:15,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:15,839 INFO L480 AbstractCegarLoop]: Abstraction has 761 states and 917 transitions. [2018-11-18 09:23:15,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:23:15,839 INFO L276 IsEmpty]: Start isEmpty. Operand 761 states and 917 transitions. [2018-11-18 09:23:15,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 09:23:15,841 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:15,841 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:15,841 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:15,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:15,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1583369410, now seen corresponding path program 1 times [2018-11-18 09:23:15,841 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:15,842 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:15,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,842 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:15,842 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:15,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:15,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:15,921 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:15,921 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 09:23:15,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 09:23:15,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 09:23:15,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 09:23:15,922 INFO L87 Difference]: Start difference. First operand 761 states and 917 transitions. Second operand 4 states. [2018-11-18 09:23:16,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:16,174 INFO L93 Difference]: Finished difference Result 2477 states and 3130 transitions. [2018-11-18 09:23:16,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 09:23:16,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 90 [2018-11-18 09:23:16,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:16,182 INFO L225 Difference]: With dead ends: 2477 [2018-11-18 09:23:16,182 INFO L226 Difference]: Without dead ends: 1744 [2018-11-18 09:23:16,185 INFO L604 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 [2018-11-18 09:23:16,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2018-11-18 09:23:16,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1713. [2018-11-18 09:23:16,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1713 states. [2018-11-18 09:23:16,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1713 states to 1713 states and 2113 transitions. [2018-11-18 09:23:16,269 INFO L78 Accepts]: Start accepts. Automaton has 1713 states and 2113 transitions. Word has length 90 [2018-11-18 09:23:16,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:16,270 INFO L480 AbstractCegarLoop]: Abstraction has 1713 states and 2113 transitions. [2018-11-18 09:23:16,270 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 09:23:16,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 2113 transitions. [2018-11-18 09:23:16,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-18 09:23:16,272 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:16,272 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:16,272 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:16,273 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:16,273 INFO L82 PathProgramCache]: Analyzing trace with hash 107641540, now seen corresponding path program 1 times [2018-11-18 09:23:16,273 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:16,273 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:16,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:16,273 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:16,273 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:16,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:16,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:16,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:23:16,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:23:16,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:23:16,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:23:16,324 INFO L87 Difference]: Start difference. First operand 1713 states and 2113 transitions. Second operand 3 states. [2018-11-18 09:23:16,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:16,418 INFO L93 Difference]: Finished difference Result 2692 states and 3431 transitions. [2018-11-18 09:23:16,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:23:16,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 94 [2018-11-18 09:23:16,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:16,430 INFO L225 Difference]: With dead ends: 2692 [2018-11-18 09:23:16,430 INFO L226 Difference]: Without dead ends: 2689 [2018-11-18 09:23:16,432 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:23:16,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2018-11-18 09:23:16,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 2529. [2018-11-18 09:23:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2018-11-18 09:23:16,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3235 transitions. [2018-11-18 09:23:16,589 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3235 transitions. Word has length 94 [2018-11-18 09:23:16,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:16,590 INFO L480 AbstractCegarLoop]: Abstraction has 2529 states and 3235 transitions. [2018-11-18 09:23:16,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:23:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3235 transitions. [2018-11-18 09:23:16,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 09:23:16,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:16,600 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:16,600 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:16,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:16,601 INFO L82 PathProgramCache]: Analyzing trace with hash 2044284985, now seen corresponding path program 1 times [2018-11-18 09:23:16,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:16,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:16,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:16,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:16,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:16,711 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-18 09:23:16,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:23:16,712 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/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 [2018-11-18 09:23:16,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:16,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:16,836 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:23:16,900 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 09:23:16,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:23:16,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-18 09:23:16,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 09:23:16,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 09:23:16,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 09:23:16,927 INFO L87 Difference]: Start difference. First operand 2529 states and 3235 transitions. Second operand 6 states. [2018-11-18 09:23:17,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:17,647 INFO L93 Difference]: Finished difference Result 5933 states and 8053 transitions. [2018-11-18 09:23:17,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:23:17,647 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 158 [2018-11-18 09:23:17,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:17,658 INFO L225 Difference]: With dead ends: 5933 [2018-11-18 09:23:17,658 INFO L226 Difference]: Without dead ends: 3762 [2018-11-18 09:23:17,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:23:17,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3762 states. [2018-11-18 09:23:17,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3762 to 3380. [2018-11-18 09:23:17,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3380 states. [2018-11-18 09:23:17,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3380 states to 3380 states and 4371 transitions. [2018-11-18 09:23:17,806 INFO L78 Accepts]: Start accepts. Automaton has 3380 states and 4371 transitions. Word has length 158 [2018-11-18 09:23:17,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:17,807 INFO L480 AbstractCegarLoop]: Abstraction has 3380 states and 4371 transitions. [2018-11-18 09:23:17,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 09:23:17,807 INFO L276 IsEmpty]: Start isEmpty. Operand 3380 states and 4371 transitions. [2018-11-18 09:23:17,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 09:23:17,812 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:17,812 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:17,812 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:17,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:17,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1322067507, now seen corresponding path program 1 times [2018-11-18 09:23:17,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:17,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:17,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:17,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:17,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:17,938 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 09:23:17,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:23:17,939 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/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 [2018-11-18 09:23:17,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:18,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:23:18,204 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 09:23:18,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:23:18,220 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-18 09:23:18,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 09:23:18,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 09:23:18,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-18 09:23:18,221 INFO L87 Difference]: Start difference. First operand 3380 states and 4371 transitions. Second operand 19 states. [2018-11-18 09:23:19,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:19,352 INFO L93 Difference]: Finished difference Result 5999 states and 7727 transitions. [2018-11-18 09:23:19,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 09:23:19,353 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 154 [2018-11-18 09:23:19,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:19,360 INFO L225 Difference]: With dead ends: 5999 [2018-11-18 09:23:19,360 INFO L226 Difference]: Without dead ends: 2658 [2018-11-18 09:23:19,366 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-18 09:23:19,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2658 states. [2018-11-18 09:23:19,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2658 to 2633. [2018-11-18 09:23:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-18 09:23:19,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3225 transitions. [2018-11-18 09:23:19,450 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3225 transitions. Word has length 154 [2018-11-18 09:23:19,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:19,451 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3225 transitions. [2018-11-18 09:23:19,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 09:23:19,451 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3225 transitions. [2018-11-18 09:23:19,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-11-18 09:23:19,455 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:19,455 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:19,456 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:19,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:19,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1532187669, now seen corresponding path program 1 times [2018-11-18 09:23:19,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:19,456 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:19,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:19,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:19,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:19,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 23 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 09:23:19,540 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 09:23:19,540 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/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 [2018-11-18 09:23:19,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:19,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:19,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:23:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:23:19,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 09:23:19,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-11-18 09:23:19,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 09:23:19,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 09:23:19,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:23:19,669 INFO L87 Difference]: Start difference. First operand 2633 states and 3225 transitions. Second operand 8 states. [2018-11-18 09:23:19,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:19,829 INFO L93 Difference]: Finished difference Result 4595 states and 5727 transitions. [2018-11-18 09:23:19,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 09:23:19,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 154 [2018-11-18 09:23:19,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:19,836 INFO L225 Difference]: With dead ends: 4595 [2018-11-18 09:23:19,836 INFO L226 Difference]: Without dead ends: 2332 [2018-11-18 09:23:19,840 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-18 09:23:19,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2332 states. [2018-11-18 09:23:19,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2332 to 2260. [2018-11-18 09:23:19,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2260 states. [2018-11-18 09:23:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2260 states to 2260 states and 2605 transitions. [2018-11-18 09:23:19,976 INFO L78 Accepts]: Start accepts. Automaton has 2260 states and 2605 transitions. Word has length 154 [2018-11-18 09:23:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:19,976 INFO L480 AbstractCegarLoop]: Abstraction has 2260 states and 2605 transitions. [2018-11-18 09:23:19,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 09:23:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 2260 states and 2605 transitions. [2018-11-18 09:23:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-18 09:23:19,983 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:23:19,983 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 09:23:19,983 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:23:19,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:23:19,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1375925293, now seen corresponding path program 1 times [2018-11-18 09:23:19,983 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:23:19,983 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:23:19,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:19,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:23:19,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:23:19,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:23:20,040 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 09:23:20,040 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:23:20,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 09:23:20,040 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 09:23:20,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 09:23:20,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 09:23:20,041 INFO L87 Difference]: Start difference. First operand 2260 states and 2605 transitions. Second operand 3 states. [2018-11-18 09:23:20,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:23:20,193 INFO L93 Difference]: Finished difference Result 3591 states and 4159 transitions. [2018-11-18 09:23:20,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 09:23:20,193 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 163 [2018-11-18 09:23:20,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:23:20,194 INFO L225 Difference]: With dead ends: 3591 [2018-11-18 09:23:20,194 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:23:20,199 INFO L604 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 [2018-11-18 09:23:20,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:23:20,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:23:20,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:23:20,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:23:20,200 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2018-11-18 09:23:20,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:23:20,200 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:23:20,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 09:23:20,201 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:23:20,201 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:23:20,204 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:23:20,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,517 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,609 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,615 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:20,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 09:23:21,529 WARN L180 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 26 [2018-11-18 09:23:21,742 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2018-11-18 09:23:22,379 WARN L180 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 60 [2018-11-18 09:23:22,508 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2018-11-18 09:23:22,649 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2018-11-18 09:23:22,788 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2018-11-18 09:23:23,274 WARN L180 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 45 [2018-11-18 09:23:23,442 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 34 [2018-11-18 09:23:23,563 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2018-11-18 09:23:23,802 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2018-11-18 09:23:24,219 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 46 [2018-11-18 09:23:24,531 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 49 [2018-11-18 09:23:24,837 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 45 [2018-11-18 09:23:24,958 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 25 [2018-11-18 09:23:25,560 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 48 [2018-11-18 09:23:25,709 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 38 [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L542(lines 542 546) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L542-1(lines 542 546) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L536-1(lines 536 557) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L536-3(lines 536 557) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 511 566) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point L558(lines 535 559) no Hoare annotation was computed. [2018-11-18 09:23:25,786 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 511 566) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 511 566) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L599-1(lines 599 603) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L593-1(lines 593 618) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 567 626) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L593-3(lines 593 618) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 567 626) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L612(line 612) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L612-1(line 612) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 567 626) no Hoare annotation was computed. [2018-11-18 09:23:25,787 INFO L425 ceAbstractionStarter]: For program point L594(line 594) no Hoare annotation was computed. [2018-11-18 09:23:25,788 INFO L425 ceAbstractionStarter]: For program point L619(lines 592 620) no Hoare annotation was computed. [2018-11-18 09:23:25,788 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 952 958) the Hoare annotation is: true [2018-11-18 09:23:25,788 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-18 09:23:25,788 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 959 967) no Hoare annotation was computed. [2018-11-18 09:23:25,788 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 959 967) the Hoare annotation is: true [2018-11-18 09:23:25,788 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 959 967) no Hoare annotation was computed. [2018-11-18 09:23:25,788 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 910 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,788 INFO L421 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:23:25,788 INFO L421 ceAbstractionStarter]: At program point L922-1(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~8 ~systemActive~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 910 932) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L920(lines 920 927) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 920 927) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L918(line 918) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L421 ceAbstractionStarter]: At program point L917(line 917) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,789 INFO L421 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,789 INFO L421 ceAbstractionStarter]: At program point L916-1(line 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 910 932) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point Specification2EXIT(lines 865 888) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point Specification2ENTRY(lines 865 888) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point Specification2FINAL(lines 865 888) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L883(line 883) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L882(line 882) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L880(line 880) no Hoare annotation was computed. [2018-11-18 09:23:25,789 INFO L425 ceAbstractionStarter]: For program point L879(line 879) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L878(line 878) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L876(line 876) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L875(line 875) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L874(line 874) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L873(line 873) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L872(line 872) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point L870(line 870) no Hoare annotation was computed. [2018-11-18 09:23:25,790 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 435 449) no Hoare annotation was computed. [2018-11-18 09:23:25,791 INFO L421 ceAbstractionStarter]: At program point L441(line 441) the Hoare annotation is: (let ((.cse7 (not (= ~systemActive~0 0))) (.cse4 (= |old(~systemActive~0)| 0))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (or .cse4 (< ~waterLevel~0 2))) (.cse5 (and .cse7 (= ~pumpRunning~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~systemActive~0 1) .cse0) .cse1 .cse2 (not (= |old(~systemActive~0)| 1)) .cse3) (or .cse1 (or (= ~waterLevel~0 1) .cse4 .cse3) .cse5 .cse2) (or (or .cse4 .cse3 .cse6) .cse5 .cse2) (or (and .cse7 .cse0) .cse8 .cse2 .cse6) (or .cse1 .cse2 .cse8 .cse5) (or .cse9 .cse3 .cse6) (or .cse1 .cse9 .cse3)))) [2018-11-18 09:23:25,791 INFO L425 ceAbstractionStarter]: For program point L439(lines 439 445) no Hoare annotation was computed. [2018-11-18 09:23:25,791 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 435 449) the Hoare annotation is: (let ((.cse11 (= ~systemActive~0 0))) (let ((.cse7 (not .cse11)) (.cse4 (= |old(~systemActive~0)| 0))) (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (or .cse4 (< ~waterLevel~0 2))) (.cse5 (and .cse7 (= ~pumpRunning~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse10 (not .cse4)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (and (= ~systemActive~0 1) .cse0) .cse1 .cse2 (not (= |old(~systemActive~0)| 1)) .cse3) (or .cse1 (or (= ~waterLevel~0 1) .cse4 .cse3) .cse5 .cse2) (or (or .cse4 .cse3 .cse6) .cse5 .cse2) (or (and .cse7 .cse0) .cse8 .cse2 .cse6) (or .cse1 .cse2 .cse8 .cse5) (or .cse0 .cse1 .cse9 .cse3) (or .cse10 .cse11 .cse9 .cse3 .cse6) (or .cse0 .cse9 .cse3 .cse6) (or .cse1 .cse10 .cse9 .cse11 .cse3))))) [2018-11-18 09:23:25,791 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 435 449) no Hoare annotation was computed. [2018-11-18 09:23:25,791 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 371 379) no Hoare annotation was computed. [2018-11-18 09:23:25,791 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 371 379) the Hoare annotation is: true [2018-11-18 09:23:25,791 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 371 379) no Hoare annotation was computed. [2018-11-18 09:23:25,791 INFO L425 ceAbstractionStarter]: For program point L387-2(lines 387 395) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L410-1(line 410) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L399(lines 399 407) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point printPumpFINAL(lines 380 415) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L399-2(lines 399 407) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point printPumpENTRY(lines 380 415) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L387(lines 387 395) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point printPumpEXIT(lines 380 415) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 945 951) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 945 951) the Hoare annotation is: true [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 465 510) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 465 510) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 465 510) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L798(lines 798 805) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 778 823) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L792(lines 792 812) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 792 812) no Hoare annotation was computed. [2018-11-18 09:23:25,792 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 778 823) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 778 823) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 896 906) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 896 906) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 896 906) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L421 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,793 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 360 370) the Hoare annotation is: true [2018-11-18 09:23:25,793 INFO L428 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: true [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point L365-1(line 365) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 360 370) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 360 370) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 352 359) the Hoare annotation is: (let ((.cse4 (= ~systemActive~0 0))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (or .cse4 (< ~waterLevel~0 2))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse5 .cse3) .cse6 .cse2) (or .cse7 .cse2 .cse0 (not (= ~systemActive~0 1))) (or .cse7 .cse2 .cse1 .cse6) (or .cse7 (or (= ~waterLevel~0 1) .cse4 .cse5) .cse6 .cse2)))) [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 352 359) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 352 359) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point L171(lines 171 177) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 167 180) no Hoare annotation was computed. [2018-11-18 09:23:25,793 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 167 180) the Hoare annotation is: true [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 167 180) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 319 343) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 319 343) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse1 .cse0 .cse2) (or .cse5 .cse2 .cse0 .cse6 .cse3) (or .cse4 .cse5 .cse0 .cse2 .cse6))) [2018-11-18 09:23:25,794 INFO L421 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse6) (or .cse0 .cse3 .cse4 .cse2 .cse5))) [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point L338-1(lines 319 343) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L421 ceAbstractionStarter]: At program point L333(line 333) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1) (or (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse1 .cse3)))) [2018-11-18 09:23:25,794 INFO L421 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 (and (= processEnvironment_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse5 .cse1) (or .cse5 .cse1 .cse3))) [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 335) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L421 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 (or .cse6 .cse1 .cse3)) (or .cse4 .cse6 .cse5 .cse1))) [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 340) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 285 291) no Hoare annotation was computed. [2018-11-18 09:23:25,794 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 285 291) the Hoare annotation is: true [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 186 253) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 09:23:25,795 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 186 253) no Hoare annotation was computed. [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point L246(lines 195 247) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse1 (and (<= 2 ~waterLevel~0) .cse3 .cse5)) (.cse2 (= ~pumpRunning~0 1)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2) (and .cse2 (and .cse0 .cse3 .cse4 .cse5)) (and .cse6 .cse7 .cse5 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse7) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse3 (not (= ~waterLevel~0 1)) .cse2 .cse7 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse7 (= ~systemActive~0 1) .cse4 .cse5) (and .cse0 .cse6 .cse5 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 09:23:25,795 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 240) no Hoare annotation was computed. [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point L234-1(lines 226 241) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= 2 ~waterLevel~0)) (.cse8 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse7 .cse6 .cse3) (and .cse5 .cse0 .cse7 .cse1 .cse3) (and .cse0 .cse8 .cse2 .cse4 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse7 .cse8 .cse2 .cse3) (and .cse7 .cse8 .cse6 .cse2 .cse3) (and .cse8 .cse6 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 09:23:25,795 INFO L425 ceAbstractionStarter]: For program point L197(lines 196 245) no Hoare annotation was computed. [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse4 (<= 2 ~waterLevel~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~pumpRunning~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse3 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse2) (and .cse1 .cse6 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 .cse6 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse2) (and .cse0 .cse5 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 09:23:25,795 INFO L425 ceAbstractionStarter]: For program point L226(lines 226 241) no Hoare annotation was computed. [2018-11-18 09:23:25,795 INFO L421 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse7 .cse2 .cse4 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse7 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 09:23:25,795 INFO L425 ceAbstractionStarter]: For program point L216(lines 216 222) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 216 222) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L421 ceAbstractionStarter]: At program point L243(lines 196 245) the Hoare annotation is: (let ((.cse5 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse0 .cse7 .cse2 .cse4 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) .cse7 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 09:23:25,796 INFO L421 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= ~pumpRunning~0 1)) (.cse2 (= ~systemActive~0 1)) (.cse7 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~methAndRunningLastTime~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3 .cse6) (and .cse7 (and (and .cse4 .cse5 .cse3) .cse6)) (and .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse4 .cse0 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse5 .cse1 .cse3 .cse6) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 212) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L206-1(lines 206 212) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 202) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L196-1(lines 196 245) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 186 253) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 732 777) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 732 777) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 732 777) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 759) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 766) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L746-1(lines 746 766) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 09:23:25,796 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L421 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse1 .cse2) (or .cse4 (< ~waterLevel~0 2) .cse3 .cse1 .cse5 .cse6) (or .cse7 .cse0 .cse2) (or .cse4 .cse7 (or .cse0 .cse8 .cse5) .cse6) (or .cse4 .cse0 .cse6 .cse1 .cse8 .cse5))) [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L421 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse9 (not (= 0 ~pumpRunning~0))) (.cse10 (not .cse8)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (or .cse9 .cse10 .cse3)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse8 (< 1 ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 .cse7) (or .cse4 .cse9 .cse2 .cse10 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse0 .cse9 .cse4 .cse2 .cse10 .cse3))))) [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: (let ((.cse8 (= ~waterLevel~0 1))) (let ((.cse9 (not (= 0 ~pumpRunning~0))) (.cse10 (not .cse8)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~systemActive~0 0))) (.cse6 (or .cse9 .cse10 .cse3)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse8 (< 1 ~waterLevel~0) .cse4 .cse1 .cse2 .cse3 .cse7) (or .cse4 .cse9 .cse2 .cse10 .cse3 .cse7) (or .cse0 .cse5 .cse6 .cse4) (or .cse0 .cse9 .cse4 .cse2 .cse10 .cse3))))) [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse5 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (or .cse5 .cse3))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse1) (or .cse4 .cse5 .cse6) (or .cse4 (< ~waterLevel~0 2) .cse2 .cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse6 .cse5 .cse1) (or .cse4 .cse0)))) [2018-11-18 09:23:25,797 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0)) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 09:23:25,797 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 151) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 135 157) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 135 157) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 135 157) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 629 731) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L694(line 694) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L694-1(line 694) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L653(lines 653 657) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 728) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 629 731) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L678-1(lines 678 698) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L678-3(lines 678 698) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L699(lines 677 700) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L658(lines 658 674) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 629 731) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L718(lines 718 725) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L679(lines 678 698) no Hoare annotation was computed. [2018-11-18 09:23:25,798 INFO L425 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point L710-1(line 710) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 716) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point select_oneENTRY(lines 935 944) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point select_oneFINAL(lines 935 944) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point select_oneEXIT(lines 935 944) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 344 351) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 344 351) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 344 351) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3 .cse4))) [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 158 166) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 158 166) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 158 166) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 416 434) no Hoare annotation was computed. [2018-11-18 09:23:25,799 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 429) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L428 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point L425-2(lines 425 429) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 416 434) the Hoare annotation is: true [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 416 434) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 114 125) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~systemActive~0 0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse3 .cse5 .cse4 .cse6) (or .cse1 .cse7 .cse4 .cse6 .cse5) (or .cse0 .cse1 .cse7 .cse2 .cse4) (or .cse8 .cse3 .cse5 .cse4 .cse6) (or .cse2 .cse0 (< ~waterLevel~0 2) .cse8 .cse3))) [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 114 125) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point L118-1(lines 114 125) no Hoare annotation was computed. [2018-11-18 09:23:25,800 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,801 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,801 INFO L425 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,801 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 126 134) the Hoare annotation is: true [2018-11-18 09:23:25,801 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 09:23:25,801 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 09:23:25,801 INFO L421 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse8 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= ~systemActive~0 1)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (and (= 0 ~methaneLevelCritical~0) (= ~pumpRunning~0 1) .cse12 .cse9)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse3 (not .cse12)) (.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8 .cse9)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse3 .cse4 .cse6) .cse7) (or (and .cse8 .cse9) (or .cse0 .cse5 .cse3 .cse4)) (or .cse0 .cse10 (or .cse1 .cse4)) (or .cse11 .cse5 .cse3 .cse6 .cse7) (or .cse0 .cse11 .cse5 .cse3 .cse9) (or .cse1 .cse10 .cse11 .cse6) (or .cse0 .cse1 .cse10 .cse11) (or .cse1 .cse3 .cse2 .cse4 .cse6) (or .cse1 .cse10 .cse4 .cse6)))) [2018-11-18 09:23:25,802 INFO L421 ceAbstractionStarter]: At program point L272(lines 272 278) the Hoare annotation is: (let ((.cse20 (= ~systemActive~0 1))) (let ((.cse16 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= ~pumpRunning~0 1)) (.cse17 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 1)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not .cse20)) (.cse19 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (or .cse11 .cse1 .cse19 .cse2)) (.cse8 (and (= 0 ~pumpRunning~0) .cse18 .cse20)) (.cse14 (<= 2 ~waterLevel~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (and (= 0 ~methaneLevelCritical~0) .cse15 .cse20 .cse17)) (.cse10 (or .cse11 .cse19 .cse2)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse13 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not .cse18)) (.cse9 (not (= ~systemActive~0 0))) (.cse12 (and .cse16 .cse17))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse6 .cse3) (or .cse7 .cse5 .cse6) (or .cse8 (or .cse7 .cse0 .cse1 .cse2)) (or .cse9 .cse10 .cse3 .cse6) (or .cse11 .cse9 .cse12 .cse13 .cse3) (or .cse7 .cse11 (and .cse14 .cse15 .cse16 .cse6) .cse1 .cse2 .cse12) (or .cse7 .cse8 .cse13 .cse0 .cse1) (or .cse11 (and .cse14 .cse15 .cse16) .cse1 .cse2 .cse3 .cse12) (or .cse13 .cse0 .cse1 .cse3 .cse4) (or .cse7 .cse9 .cse10 .cse6) (or .cse7 .cse11 .cse9 .cse12 .cse13) (or .cse12 .cse11 .cse9 .cse2 .cse3) (or .cse7 .cse11 .cse9 .cse2 .cse12))))) [2018-11-18 09:23:25,802 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 261 284) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (< |old(~waterLevel~0)| 2)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (and .cse10 (= 0 ~methAndRunningLastTime~0) .cse11)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse8) (or .cse7 .cse0 .cse6 .cse9 .cse3) (or .cse2 (or .cse0 .cse9 .cse3 .cse4)) (or .cse1 .cse5 .cse4 .cse8 .cse2) (or (or .cse9 .cse3 .cse4 .cse8) .cse2) (or .cse0 .cse1 .cse5 .cse7 .cse6) (or .cse6 .cse9 .cse3 .cse8 .cse7) (or .cse0 .cse1 .cse5 .cse2 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse8)))) [2018-11-18 09:23:25,802 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse9 (and .cse10 .cse11 (= 0 ~methAndRunningLastTime~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse7 (and .cse10 .cse11)) (.cse6 (< |old(~waterLevel~0)| 2)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (or .cse0 .cse2)) (or .cse4 .cse0 .cse1 .cse2) (or .cse0 .cse5 .cse6 .cse3) (or .cse7 .cse6 .cse8 .cse1 .cse3) (or .cse4 .cse0 .cse5 .cse6) (or .cse9 (or .cse4 .cse8 .cse1 .cse2)) (or .cse9 (or .cse8 .cse1 .cse2 .cse3)) (or .cse4 .cse7 .cse6 .cse8 .cse1) (or .cse0 .cse5 .cse2 .cse3)))) [2018-11-18 09:23:25,802 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 261 284) no Hoare annotation was computed. [2018-11-18 09:23:25,802 INFO L425 ceAbstractionStarter]: For program point L265(lines 264 283) no Hoare annotation was computed. [2018-11-18 09:23:25,802 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 261 284) no Hoare annotation was computed. [2018-11-18 09:23:25,802 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 835 864) no Hoare annotation was computed. [2018-11-18 09:23:25,803 INFO L425 ceAbstractionStarter]: For program point L849(lines 849 853) no Hoare annotation was computed. [2018-11-18 09:23:25,803 INFO L428 ceAbstractionStarter]: At program point L849-1(lines 849 853) the Hoare annotation is: true [2018-11-18 09:23:25,803 INFO L425 ceAbstractionStarter]: For program point L845-1(lines 845 859) no Hoare annotation was computed. [2018-11-18 09:23:25,803 INFO L428 ceAbstractionStarter]: At program point L845-3(lines 845 859) the Hoare annotation is: true [2018-11-18 09:23:25,803 INFO L428 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: true [2018-11-18 09:23:25,803 INFO L425 ceAbstractionStarter]: For program point L841-1(line 841) no Hoare annotation was computed. [2018-11-18 09:23:25,803 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 835 864) the Hoare annotation is: true [2018-11-18 09:23:25,803 INFO L428 ceAbstractionStarter]: At program point L860(lines 835 864) the Hoare annotation is: true [2018-11-18 09:23:25,803 INFO L425 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-18 09:23:25,803 INFO L425 ceAbstractionStarter]: For program point L846(line 846) no Hoare annotation was computed. [2018-11-18 09:23:25,804 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 90 101) the Hoare annotation is: (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse3 .cse4 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse4 .cse5))) [2018-11-18 09:23:25,804 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 90 101) no Hoare annotation was computed. [2018-11-18 09:23:25,804 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 90 101) no Hoare annotation was computed. [2018-11-18 09:23:25,804 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 889 895) no Hoare annotation was computed. [2018-11-18 09:23:25,804 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 889 895) the Hoare annotation is: true [2018-11-18 09:23:25,804 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,804 INFO L421 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) (= 0 ~methAndRunningLastTime~0)) [2018-11-18 09:23:25,804 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:23:25,804 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:23:25,805 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 450 457) no Hoare annotation was computed. [2018-11-18 09:23:25,805 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 450 457) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-11-18 09:23:25,805 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 450 457) no Hoare annotation was computed. [2018-11-18 09:23:25,805 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 293 317) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse4)))) [2018-11-18 09:23:25,805 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 293 317) no Hoare annotation was computed. [2018-11-18 09:23:25,805 INFO L421 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse3)))) [2018-11-18 09:23:25,805 INFO L425 ceAbstractionStarter]: For program point L312-1(lines 293 317) no Hoare annotation was computed. [2018-11-18 09:23:25,806 INFO L421 ceAbstractionStarter]: At program point L307(line 307) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2018-11-18 09:23:25,806 INFO L421 ceAbstractionStarter]: At program point L303(line 303) the Hoare annotation is: (let ((.cse1 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse4))) [2018-11-18 09:23:25,806 INFO L425 ceAbstractionStarter]: For program point L301(lines 301 309) no Hoare annotation was computed. [2018-11-18 09:23:25,806 INFO L421 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2018-11-18 09:23:25,806 INFO L425 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-18 09:23:25,806 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 314) no Hoare annotation was computed. [2018-11-18 09:23:25,806 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 102 113) no Hoare annotation was computed. [2018-11-18 09:23:25,806 INFO L425 ceAbstractionStarter]: For program point L106-1(lines 102 113) no Hoare annotation was computed. [2018-11-18 09:23:25,807 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 102 113) the Hoare annotation is: (let ((.cse8 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or .cse8 .cse2)) (.cse7 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 2) .cse3) (or .cse0 .cse1 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5 .cse6) (or .cse0 .cse7 .cse1 .cse5 .cse8) (or .cse4 .cse1 .cse5 .cse6) (or .cse7 .cse1 .cse8 .cse5 .cse6)))) [2018-11-18 09:23:25,807 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 825 832) no Hoare annotation was computed. [2018-11-18 09:23:25,807 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 825 832) the Hoare annotation is: true [2018-11-18 09:23:25,807 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 825 832) no Hoare annotation was computed. [2018-11-18 09:23:25,807 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 829) no Hoare annotation was computed. [2018-11-18 09:23:25,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:23:25 BoogieIcfgContainer [2018-11-18 09:23:25,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:23:25,838 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:23:25,838 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:23:25,838 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:23:25,838 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:23:13" (3/4) ... [2018-11-18 09:23:25,841 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:23:25,846 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_free [2018-11-18 09:23:25,846 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_reset [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure Specification2 [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printPump [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__exception__cf_handler_set [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_argtype [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 09:23:25,847 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__get_this_arg [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure printEnvironment [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac__error_stack_mgt [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_one [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~X~int~TO~int [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 09:23:25,848 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 09:23:25,849 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 09:23:25,856 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 09:23:25,856 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 09:23:25,856 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 09:23:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:23:25,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 09:23:25,915 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_029255b9-c94d-405d-864e-dfeea6886b20/bin-2019/uautomizer/witness.graphml [2018-11-18 09:23:25,915 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:23:25,916 INFO L168 Benchmark]: Toolchain (without parser) took 13592.61 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 592.4 MB). Free memory was 955.8 MB in the beginning and 1.6 GB in the end (delta: -620.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:25,916 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:25,917 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:25,917 INFO L168 Benchmark]: Boogie Preprocessor took 58.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:25,917 INFO L168 Benchmark]: RCFGBuilder took 637.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:25,917 INFO L168 Benchmark]: TraceAbstraction took 12453.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 460.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -555.5 MB). Peak memory consumption was 702.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:23:25,917 INFO L168 Benchmark]: Witness Printer took 77.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:23:25,919 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.22 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 637.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 93.6 MB). Peak memory consumption was 93.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12453.26 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 460.8 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -555.5 MB). Peak memory consumption was 702.7 MB. Max. memory is 11.5 GB. * Witness Printer took 77.48 ms. Allocated memory is still 1.6 GB. Free memory is still 1.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 829]: 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: 195]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == pumpRunning) && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || ((((0 == methaneLevelCritical && pumpRunning == 1) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((2 <= waterLevel && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 845]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 245 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 5.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2485 SDtfs, 1554 SDslu, 6893 SDs, 0 SdLazy, 2695 SolverSat, 389 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 597 GetRequests, 509 SyntacticMatches, 2 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3380occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 804 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 5982 PreInvPairs, 6181 NumberOfFragments, 4286 HoareAnnotationTreeSize, 5982 FomulaSimplifications, 12540 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 21947 FormulaSimplificationTreeSizeReductionInter, 4.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1751 NumberOfCodeBlocks, 1751 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1735 ConstructedInterpolants, 0 QuantifiedInterpolants, 338450 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2473 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 336/348 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...