./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/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 79b21ff72ec330797470eae9e06bb1504f09bc51 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:18:26,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:18:26,868 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:18:26,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:18:26,877 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:18:26,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:18:26,878 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:18:26,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:18:26,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:18:26,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:18:26,880 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:18:26,880 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:18:26,881 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:18:26,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:18:26,882 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:18:26,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:18:26,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:18:26,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:18:26,886 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:18:26,887 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:18:26,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:18:26,889 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:18:26,890 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:18:26,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:18:26,891 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:18:26,891 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:18:26,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:18:26,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:18:26,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:18:26,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:18:26,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:18:26,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:18:26,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:18:26,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:18:26,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:18:26,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:18:26,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:18:26,906 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:18:26,906 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:18:26,906 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:18:26,906 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:18:26,907 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:18:26,907 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:18:26,907 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:18:26,907 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:18:26,907 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:18:26,908 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:18:26,908 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:18:26,909 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:18:26,909 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:18:26,909 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_7355051c-34da-445b-a185-f37b410bd912/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-11-28 11:18:26,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:18:26,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:18:26,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:18:26,946 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:18:26,946 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:18:26,947 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-28 11:18:26,989 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/data/43325c608/59822b2414d54c9fa8fe60f46e33c1b5/FLAG27257794e [2018-11-28 11:18:27,414 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:18:27,415 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-28 11:18:27,424 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/data/43325c608/59822b2414d54c9fa8fe60f46e33c1b5/FLAG27257794e [2018-11-28 11:18:27,435 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/data/43325c608/59822b2414d54c9fa8fe60f46e33c1b5 [2018-11-28 11:18:27,437 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:18:27,438 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:18:27,439 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:18:27,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:18:27,441 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:18:27,441 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27, skipping insertion in model container [2018-11-28 11:18:27,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:18:27,475 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:18:27,652 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:18:27,710 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:18:27,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:18:27,789 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:18:27,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27 WrapperNode [2018-11-28 11:18:27,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:18:27,790 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:18:27,790 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:18:27,790 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:18:27,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:18:27,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:18:27,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:18:27,820 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:18:27,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... [2018-11-28 11:18:27,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:18:27,852 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:18:27,852 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:18:27,852 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:18:27,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:18:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:18:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:18:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:18:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:18:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:18:27,900 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:18:27,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:18:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:18:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:18:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:18:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:18:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:18:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:18:27,901 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:18:27,901 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:18:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:18:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:18:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:18:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:18:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:18:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:18:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:18:27,902 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:18:27,902 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:18:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:18:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:18:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:18:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:18:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:18:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:18:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:18:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:18:27,903 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:18:27,903 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:18:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:18:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:18:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:18:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:18:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:18:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:18:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:18:27,904 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:18:27,904 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:18:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:18:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:18:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:18:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:18:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:18:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:18:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:18:27,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:18:27,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:18:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:18:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:18:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:18:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:18:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:18:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:18:27,906 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:18:27,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:18:28,377 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:18:28,378 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:18:28,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:28 BoogieIcfgContainer [2018-11-28 11:18:28,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:18:28,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:18:28,379 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:18:28,382 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:18:28,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:18:27" (1/3) ... [2018-11-28 11:18:28,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1312bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:18:28, skipping insertion in model container [2018-11-28 11:18:28,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:18:27" (2/3) ... [2018-11-28 11:18:28,383 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1312bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:18:28, skipping insertion in model container [2018-11-28 11:18:28,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:28" (3/3) ... [2018-11-28 11:18:28,385 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-11-28 11:18:28,392 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:18:28,398 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:18:28,408 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:18:28,430 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:18:28,430 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:18:28,431 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:18:28,431 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:18:28,431 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:18:28,431 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:18:28,431 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:18:28,431 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:18:28,431 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:18:28,447 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-28 11:18:28,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:18:28,452 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:28,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:28,455 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:28,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:28,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1039050909, now seen corresponding path program 1 times [2018-11-28 11:18:28,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:28,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:28,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:28,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:28,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:28,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:18:28,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:18:28,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:18:28,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:18:28,652 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-28 11:18:28,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:28,679 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2018-11-28 11:18:28,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:18:28,680 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:18:28,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:28,687 INFO L225 Difference]: With dead ends: 280 [2018-11-28 11:18:28,687 INFO L226 Difference]: Without dead ends: 140 [2018-11-28 11:18:28,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:18:28,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-28 11:18:28,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-28 11:18:28,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-28 11:18:28,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2018-11-28 11:18:28,724 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2018-11-28 11:18:28,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:28,725 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2018-11-28 11:18:28,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:18:28,725 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2018-11-28 11:18:28,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:18:28,727 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:28,727 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:28,727 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:28,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:28,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1886519307, now seen corresponding path program 1 times [2018-11-28 11:18:28,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:28,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:28,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:28,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:28,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:28,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:18:28,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:18:28,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:18:28,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:18:28,808 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2018-11-28 11:18:28,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:28,836 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-11-28 11:18:28,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:18:28,837 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:18:28,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:28,839 INFO L225 Difference]: With dead ends: 219 [2018-11-28 11:18:28,839 INFO L226 Difference]: Without dead ends: 131 [2018-11-28 11:18:28,840 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:18:28,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-28 11:18:28,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-28 11:18:28,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-28 11:18:28,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-11-28 11:18:28,852 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2018-11-28 11:18:28,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:28,853 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-11-28 11:18:28,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:18:28,853 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-11-28 11:18:28,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:18:28,855 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:28,855 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:28,855 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:28,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:28,856 INFO L82 PathProgramCache]: Analyzing trace with hash -443527011, now seen corresponding path program 1 times [2018-11-28 11:18:28,856 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:28,856 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:28,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:28,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:28,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:28,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:28,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:18:28,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:18:28,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:18:28,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:18:28,962 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2018-11-28 11:18:29,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:29,305 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2018-11-28 11:18:29,306 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:18:29,306 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 11:18:29,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:29,308 INFO L225 Difference]: With dead ends: 395 [2018-11-28 11:18:29,309 INFO L226 Difference]: Without dead ends: 288 [2018-11-28 11:18:29,310 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:18:29,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-11-28 11:18:29,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2018-11-28 11:18:29,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-11-28 11:18:29,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2018-11-28 11:18:29,344 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2018-11-28 11:18:29,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:29,345 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2018-11-28 11:18:29,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:18:29,345 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2018-11-28 11:18:29,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:18:29,347 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:29,347 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:29,347 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:29,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:29,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1392303490, now seen corresponding path program 1 times [2018-11-28 11:18:29,348 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:29,348 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:29,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:29,349 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:29,349 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:29,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:29,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:18:29,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:18:29,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:18:29,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:18:29,439 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2018-11-28 11:18:29,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:29,614 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2018-11-28 11:18:29,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:18:29,615 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-28 11:18:29,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:29,619 INFO L225 Difference]: With dead ends: 765 [2018-11-28 11:18:29,619 INFO L226 Difference]: Without dead ends: 513 [2018-11-28 11:18:29,621 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:18:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-11-28 11:18:29,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2018-11-28 11:18:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-11-28 11:18:29,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2018-11-28 11:18:29,661 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2018-11-28 11:18:29,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:29,662 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2018-11-28 11:18:29,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:18:29,662 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2018-11-28 11:18:29,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 11:18:29,664 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:29,665 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:29,665 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:29,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:29,665 INFO L82 PathProgramCache]: Analyzing trace with hash 85735846, now seen corresponding path program 1 times [2018-11-28 11:18:29,667 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:29,667 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:29,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:29,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:29,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:29,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:29,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:29,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:18:29,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:18:29,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:18:29,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:18:29,767 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2018-11-28 11:18:30,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:30,283 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2018-11-28 11:18:30,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:18:30,285 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-28 11:18:30,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:30,289 INFO L225 Difference]: With dead ends: 1346 [2018-11-28 11:18:30,289 INFO L226 Difference]: Without dead ends: 863 [2018-11-28 11:18:30,291 INFO L631 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 [2018-11-28 11:18:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-11-28 11:18:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2018-11-28 11:18:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-11-28 11:18:30,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2018-11-28 11:18:30,330 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2018-11-28 11:18:30,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:30,331 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2018-11-28 11:18:30,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:18:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2018-11-28 11:18:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:18:30,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:30,333 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:30,333 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:30,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:30,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1206568851, now seen corresponding path program 1 times [2018-11-28 11:18:30,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:30,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:30,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,335 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:30,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:30,418 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:18:30,418 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:30,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:18:30,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:18:30,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:18:30,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:18:30,419 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2018-11-28 11:18:30,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:30,590 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2018-11-28 11:18:30,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:18:30,590 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-28 11:18:30,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:30,597 INFO L225 Difference]: With dead ends: 2836 [2018-11-28 11:18:30,597 INFO L226 Difference]: Without dead ends: 2095 [2018-11-28 11:18:30,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:18:30,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-11-28 11:18:30,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2018-11-28 11:18:30,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2018-11-28 11:18:30,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2018-11-28 11:18:30,667 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2018-11-28 11:18:30,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:30,667 INFO L480 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2018-11-28 11:18:30,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:18:30,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2018-11-28 11:18:30,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:18:30,670 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:30,670 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:30,671 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:30,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:30,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1198809492, now seen corresponding path program 1 times [2018-11-28 11:18:30,671 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:30,671 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:30,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:30,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:18:30,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:30,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:18:30,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:18:30,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:18:30,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:18:30,743 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2018-11-28 11:18:30,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:30,820 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2018-11-28 11:18:30,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:18:30,821 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-28 11:18:30,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:30,827 INFO L225 Difference]: With dead ends: 4158 [2018-11-28 11:18:30,827 INFO L226 Difference]: Without dead ends: 2133 [2018-11-28 11:18:30,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:18:30,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-11-28 11:18:30,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2018-11-28 11:18:30,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-11-28 11:18:30,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2018-11-28 11:18:30,898 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2018-11-28 11:18:30,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:30,898 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2018-11-28 11:18:30,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:18:30,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2018-11-28 11:18:30,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:18:30,901 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:30,901 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:30,901 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:30,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:30,901 INFO L82 PathProgramCache]: Analyzing trace with hash -305323154, now seen corresponding path program 1 times [2018-11-28 11:18:30,902 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:30,902 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:30,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:30,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:30,967 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:18:30,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:18:30,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:18:30,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:18:30,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:18:30,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:18:30,968 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2018-11-28 11:18:31,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:31,033 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2018-11-28 11:18:31,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:18:31,034 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-28 11:18:31,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:31,039 INFO L225 Difference]: With dead ends: 3832 [2018-11-28 11:18:31,039 INFO L226 Difference]: Without dead ends: 1747 [2018-11-28 11:18:31,043 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:18:31,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-11-28 11:18:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-11-28 11:18:31,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-11-28 11:18:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2018-11-28 11:18:31,100 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2018-11-28 11:18:31,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:31,100 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2018-11-28 11:18:31,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:18:31,101 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2018-11-28 11:18:31,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 11:18:31,103 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:31,103 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:31,103 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:31,103 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:31,104 INFO L82 PathProgramCache]: Analyzing trace with hash 692991765, now seen corresponding path program 1 times [2018-11-28 11:18:31,104 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:31,104 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:31,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:31,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:31,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:18:31,205 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:18:31,206 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:18:31,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:31,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:18:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:18:31,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:18:31,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:18:31,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:18:31,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:18:31,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:18:31,424 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 19 states. [2018-11-28 11:18:32,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:32,060 INFO L93 Difference]: Finished difference Result 3440 states and 4282 transitions. [2018-11-28 11:18:32,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:18:32,060 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-11-28 11:18:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:32,066 INFO L225 Difference]: With dead ends: 3440 [2018-11-28 11:18:32,066 INFO L226 Difference]: Without dead ends: 1717 [2018-11-28 11:18:32,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:18:32,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1717 states. [2018-11-28 11:18:32,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1717 to 1717. [2018-11-28 11:18:32,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1717 states. [2018-11-28 11:18:32,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1717 states and 2069 transitions. [2018-11-28 11:18:32,131 INFO L78 Accepts]: Start accepts. Automaton has 1717 states and 2069 transitions. Word has length 103 [2018-11-28 11:18:32,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:32,132 INFO L480 AbstractCegarLoop]: Abstraction has 1717 states and 2069 transitions. [2018-11-28 11:18:32,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:18:32,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 2069 transitions. [2018-11-28 11:18:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-28 11:18:32,137 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:32,137 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:32,137 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:32,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:32,137 INFO L82 PathProgramCache]: Analyzing trace with hash 333752362, now seen corresponding path program 1 times [2018-11-28 11:18:32,137 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:32,138 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:32,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:32,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:32,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-28 11:18:32,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:18:32,209 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:18:32,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:32,296 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:18:32,325 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 11:18:32,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:18:32,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-11-28 11:18:32,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:18:32,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:18:32,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:18:32,341 INFO L87 Difference]: Start difference. First operand 1717 states and 2069 transitions. Second operand 6 states. [2018-11-28 11:18:32,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:32,868 INFO L93 Difference]: Finished difference Result 3937 states and 5013 transitions. [2018-11-28 11:18:32,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:18:32,868 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-28 11:18:32,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:32,875 INFO L225 Difference]: With dead ends: 3937 [2018-11-28 11:18:32,875 INFO L226 Difference]: Without dead ends: 2568 [2018-11-28 11:18:32,879 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:18:32,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2568 states. [2018-11-28 11:18:32,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2568 to 2231. [2018-11-28 11:18:32,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2231 states. [2018-11-28 11:18:32,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 2231 states and 2705 transitions. [2018-11-28 11:18:32,958 INFO L78 Accepts]: Start accepts. Automaton has 2231 states and 2705 transitions. Word has length 159 [2018-11-28 11:18:32,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:32,959 INFO L480 AbstractCegarLoop]: Abstraction has 2231 states and 2705 transitions. [2018-11-28 11:18:32,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:18:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2705 transitions. [2018-11-28 11:18:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-28 11:18:32,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:18:32,963 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:18:32,963 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:18:32,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:18:32,963 INFO L82 PathProgramCache]: Analyzing trace with hash -2090589296, now seen corresponding path program 1 times [2018-11-28 11:18:32,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:18:32,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:18:32,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:32,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:32,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:18:32,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-28 11:18:33,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:18:33,073 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:18:33,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:18:33,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:18:33,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:18:33,267 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:18:33,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:18:33,283 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:18:33,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:18:33,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:18:33,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:18:33,284 INFO L87 Difference]: Start difference. First operand 2231 states and 2705 transitions. Second operand 19 states. [2018-11-28 11:18:33,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:18:33,941 INFO L93 Difference]: Finished difference Result 3927 states and 4849 transitions. [2018-11-28 11:18:33,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:18:33,941 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 155 [2018-11-28 11:18:33,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:18:33,942 INFO L225 Difference]: With dead ends: 3927 [2018-11-28 11:18:33,942 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:18:33,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 152 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:18:33,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:18:33,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:18:33,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:18:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:18:33,948 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-28 11:18:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:18:33,948 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:18:33,948 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:18:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:18:33,948 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:18:33,951 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:18:34,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,142 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:34,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:18:35,416 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 23 [2018-11-28 11:18:36,041 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 28 [2018-11-28 11:18:36,572 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 22 [2018-11-28 11:18:37,063 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 28 [2018-11-28 11:18:37,334 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 24 [2018-11-28 11:18:37,382 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-11-28 11:18:37,382 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-11-28 11:18:37,382 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-11-28 11:18:37,382 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-11-28 11:18:37,382 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-11-28 11:18:37,382 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,382 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,382 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,382 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L444 ceAbstractionStarter]: At program point L231(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,383 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,383 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,383 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:18:37,383 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-11-28 11:18:37,383 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or (and (= 0 ~pumpRunning~0) .cse1 .cse2) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,384 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-11-28 11:18:37,384 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (and .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= 0 ~pumpRunning~0) .cse1) (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= |old(~systemActive~0)| 1))) (.cse5 (= ~systemActive~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse4 .cse3) (or .cse0 .cse5 .cse6) (or .cse6 .cse5 .cse4) (or .cse1 .cse4))) [2018-11-28 11:18:37,384 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-11-28 11:18:37,384 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~systemActive~0)| 0)) (.cse5 (and (not (= ~systemActive~0 0)) .cse0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse6 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse3 .cse0 .cse1) (or .cse4 .cse2 .cse5) (or .cse3 .cse6 .cse7) (or .cse7 .cse6 .cse2)))) [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-11-28 11:18:37,385 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-11-28 11:18:37,385 INFO L451 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-11-28 11:18:37,385 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-11-28 11:18:37,386 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:18:37,386 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-11-28 11:18:37,386 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-11-28 11:18:37,386 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-11-28 11:18:37,386 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:18:37,386 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,386 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-11-28 11:18:37,386 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1))) [2018-11-28 11:18:37,386 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0))) [2018-11-28 11:18:37,386 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-11-28 11:18:37,387 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-11-28 11:18:37,387 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,387 INFO L444 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-28 11:18:37,388 INFO L444 ceAbstractionStarter]: At program point L890(line 890) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L444 ceAbstractionStarter]: At program point L928(lines 877 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:18:37,388 INFO L444 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (and .cse1 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L444 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse3 .cse2))) [2018-11-28 11:18:37,388 INFO L448 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-11-28 11:18:37,388 INFO L444 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (not (= ~systemActive~0 0)) .cse2))) [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-11-28 11:18:37,389 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-11-28 11:18:37,390 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-11-28 11:18:37,390 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-11-28 11:18:37,391 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-28 11:18:37,391 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0 .cse1) (or .cse2 .cse1 .cse0) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse2 (= ~methaneLevelCritical~0 1)))) [2018-11-28 11:18:37,391 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-28 11:18:37,391 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (not .cse1) (= ~waterLevel~0 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse1 .cse0) (or .cse5 .cse3 .cse4)))) [2018-11-28 11:18:37,391 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse0 .cse4 .cse2) (or .cse4 .cse2 .cse3))) [2018-11-28 11:18:37,391 INFO L444 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and .cse1 .cse6)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse7 (= 0 ~pumpRunning~0))) (and (or (and (not .cse0) .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse3) (or .cse6 .cse0 (<= 2 ~waterLevel~0) .cse4 .cse7) (or .cse5 .cse0 .cse7)))) [2018-11-28 11:18:37,391 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse2 .cse3 .cse4) (or .cse1 .cse4))) [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-11-28 11:18:37,392 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-11-28 11:18:37,392 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-28 11:18:37,392 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-11-28 11:18:37,392 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 11:18:37,393 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:18:37,393 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= ~systemActive~0 0) .cse2 .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-11-28 11:18:37,394 INFO L444 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-28 11:18:37,394 INFO L448 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-11-28 11:18:37,395 INFO L444 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-28 11:18:37,395 INFO L448 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-11-28 11:18:37,395 INFO L448 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-11-28 11:18:37,395 INFO L448 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-11-28 11:18:37,395 INFO L451 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-11-28 11:18:37,395 INFO L448 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-11-28 11:18:37,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:18:37 BoogieIcfgContainer [2018-11-28 11:18:37,410 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:18:37,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:18:37,410 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:18:37,411 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:18:37,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:18:28" (3/4) ... [2018-11-28 11:18:37,414 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:18:37,419 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:18:37,420 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:18:37,421 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:18:37,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:18:37,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:18:37,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:18:37,422 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:18:37,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 11:18:37,428 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-28 11:18:37,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-11-28 11:18:37,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:18:37,429 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:18:37,430 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:18:37,452 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) [2018-11-28 11:18:37,452 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:18:37,488 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7355051c-34da-445b-a185-f37b410bd912/bin-2019/uautomizer/witness.graphml [2018-11-28 11:18:37,488 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:18:37,489 INFO L168 Benchmark]: Toolchain (without parser) took 10051.52 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 392.7 MB). Free memory was 950.6 MB in the beginning and 961.2 MB in the end (delta: -10.5 MB). Peak memory consumption was 382.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,490 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:18:37,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 350.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,491 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.47 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. [2018-11-28 11:18:37,491 INFO L168 Benchmark]: Boogie Preprocessor took 32.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,491 INFO L168 Benchmark]: RCFGBuilder took 526.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,491 INFO L168 Benchmark]: TraceAbstraction took 9031.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 95.3 MB). Peak memory consumption was 501.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,492 INFO L168 Benchmark]: Witness Printer took 78.06 ms. Allocated memory is still 1.4 GB. Free memory was 972.1 MB in the beginning and 961.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:18:37,493 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 350.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 526.41 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9031.21 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 262.7 MB). Free memory was 1.1 GB in the beginning and 972.1 MB in the end (delta: 95.3 MB). Peak memory consumption was 501.5 MB. Max. memory is 11.5 GB. * Witness Printer took 78.06 ms. Allocated memory is still 1.4 GB. Free memory was 972.1 MB in the beginning and 961.2 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 8.9s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 3.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2213 SDtfs, 1752 SDslu, 7651 SDs, 0 SdLazy, 3475 SolverSat, 528 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 557 GetRequests, 446 SyntacticMatches, 3 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 306 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2231occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 523 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 5393 PreInvPairs, 5765 NumberOfFragments, 1635 HoareAnnotationTreeSize, 5393 FomulaSimplifications, 13051 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 65 FomulaSimplificationsInter, 28202 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1394 NumberOfCodeBlocks, 1394 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1380 ConstructedInterpolants, 0 QuantifiedInterpolants, 247502 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2526 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 211/219 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...