./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/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 74af0999cbe879befd0a6903faa6dabc12f5915f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 09:43:16,117 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:43:16,118 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:43:16,124 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:43:16,124 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:43:16,124 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:43:16,125 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:43:16,126 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:43:16,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:43:16,127 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:43:16,128 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:43:16,128 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:43:16,128 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:43:16,129 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:43:16,129 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:43:16,130 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:43:16,130 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:43:16,131 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:43:16,132 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:43:16,133 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:43:16,133 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:43:16,134 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:43:16,135 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:43:16,135 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:43:16,135 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:43:16,136 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:43:16,136 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:43:16,137 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:43:16,137 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:43:16,138 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:43:16,138 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:43:16,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:43:16,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:43:16,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:43:16,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:43:16,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:43:16,139 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:43:16,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:43:16,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:43:16,147 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:43:16,147 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:43:16,148 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:43:16,148 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:43:16,148 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:43:16,149 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:43:16,149 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:43:16,149 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:43:16,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:43:16,150 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:43:16,150 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:43:16,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:43:16,150 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_8fdc971b-9818-457e-9e35-ec94924562e3/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 -> 74af0999cbe879befd0a6903faa6dabc12f5915f [2018-12-08 09:43:16,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:43:16,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:43:16,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:43:16,181 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:43:16,181 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:43:16,182 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 09:43:16,225 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/data/233754a41/f224cb24349d4709b8c2df3d47bc646a/FLAG638a3f25f [2018-12-08 09:43:16,658 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:43:16,658 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/sv-benchmarks/c/product-lines/minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 09:43:16,664 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/data/233754a41/f224cb24349d4709b8c2df3d47bc646a/FLAG638a3f25f [2018-12-08 09:43:16,672 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/data/233754a41/f224cb24349d4709b8c2df3d47bc646a [2018-12-08 09:43:16,673 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:43:16,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:43:16,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:43:16,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:43:16,677 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:43:16,677 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16, skipping insertion in model container [2018-12-08 09:43:16,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,684 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:43:16,709 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:43:16,873 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:43:16,912 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:43:16,951 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:43:16,969 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:43:16,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16 WrapperNode [2018-12-08 09:43:16,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:43:16,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:43:16,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:43:16,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:43:16,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,984 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,990 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:43:16,990 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:43:16,990 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:43:16,990 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:43:16,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:16,999 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:17,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:17,009 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:17,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... [2018-12-08 09:43:17,014 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:43:17,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:43:17,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:43:17,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:43:17,015 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/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 [2018-12-08 09:43:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 09:43:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 09:43:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:43:17,048 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:43:17,048 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 09:43:17,049 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 09:43:17,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 09:43:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-08 09:43:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-08 09:43:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-08 09:43:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-08 09:43:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 09:43:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 09:43:17,050 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 09:43:17,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 09:43:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 09:43:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 09:43:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 09:43:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 09:43:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 09:43:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 09:43:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 09:43:17,051 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 09:43:17,051 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:43:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:43:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 09:43:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 09:43:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 09:43:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 09:43:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 09:43:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 09:43:17,052 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 09:43:17,052 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 09:43:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 09:43:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 09:43:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 09:43:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 09:43:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 09:43:17,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 09:43:17,053 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 09:43:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 09:43:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 09:43:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:43:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:43:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 09:43:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 09:43:17,054 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 09:43:17,054 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 09:43:17,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:43:17,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:43:17,353 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:43:17,354 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 09:43:17,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:43:17 BoogieIcfgContainer [2018-12-08 09:43:17,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:43:17,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:43:17,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:43:17,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:43:17,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:43:16" (1/3) ... [2018-12-08 09:43:17,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:43:17, skipping insertion in model container [2018-12-08 09:43:17,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:43:16" (2/3) ... [2018-12-08 09:43:17,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3526904b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:43:17, skipping insertion in model container [2018-12-08 09:43:17,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:43:17" (3/3) ... [2018-12-08 09:43:17,359 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53_true-unreach-call_false-termination.cil.c [2018-12-08 09:43:17,365 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:43:17,369 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:43:17,378 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:43:17,395 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:43:17,395 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:43:17,395 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:43:17,395 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:43:17,395 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:43:17,396 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:43:17,396 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:43:17,396 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:43:17,396 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:43:17,407 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-12-08 09:43:17,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-08 09:43:17,412 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:17,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:17,415 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:17,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:17,418 INFO L82 PathProgramCache]: Analyzing trace with hash -14193465, now seen corresponding path program 1 times [2018-12-08 09:43:17,419 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:17,419 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:17,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:17,561 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:17,561 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 09:43:17,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 09:43:17,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 09:43:17,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:43:17,573 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-12-08 09:43:17,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:17,596 INFO L93 Difference]: Finished difference Result 292 states and 365 transitions. [2018-12-08 09:43:17,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 09:43:17,597 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-08 09:43:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:17,604 INFO L225 Difference]: With dead ends: 292 [2018-12-08 09:43:17,604 INFO L226 Difference]: Without dead ends: 148 [2018-12-08 09:43:17,606 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 [2018-12-08 09:43:17,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-08 09:43:17,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-08 09:43:17,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-08 09:43:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 176 transitions. [2018-12-08 09:43:17,638 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 176 transitions. Word has length 51 [2018-12-08 09:43:17,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:17,638 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 176 transitions. [2018-12-08 09:43:17,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 09:43:17,638 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2018-12-08 09:43:17,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 09:43:17,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:17,640 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] [2018-12-08 09:43:17,640 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:17,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:17,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1295682751, now seen corresponding path program 1 times [2018-12-08 09:43:17,640 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:17,640 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:17,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:17,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:17,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:17,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:17,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:43:17,694 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:43:17,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:43:17,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:43:17,694 INFO L87 Difference]: Start difference. First operand 148 states and 176 transitions. Second operand 3 states. [2018-12-08 09:43:17,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:17,708 INFO L93 Difference]: Finished difference Result 241 states and 287 transitions. [2018-12-08 09:43:17,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:43:17,709 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-08 09:43:17,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:17,710 INFO L225 Difference]: With dead ends: 241 [2018-12-08 09:43:17,710 INFO L226 Difference]: Without dead ends: 139 [2018-12-08 09:43:17,711 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 [2018-12-08 09:43:17,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-08 09:43:17,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-08 09:43:17,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-08 09:43:17,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-12-08 09:43:17,718 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 52 [2018-12-08 09:43:17,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:17,718 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-12-08 09:43:17,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:43:17,719 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-12-08 09:43:17,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-08 09:43:17,719 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:17,719 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] [2018-12-08 09:43:17,720 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:17,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:17,720 INFO L82 PathProgramCache]: Analyzing trace with hash -526147235, now seen corresponding path program 1 times [2018-12-08 09:43:17,720 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:17,720 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:17,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:17,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:17,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:17,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:17,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 09:43:17,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:43:17,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:43:17,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:43:17,781 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 7 states. [2018-12-08 09:43:17,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:17,942 INFO L93 Difference]: Finished difference Result 250 states and 301 transitions. [2018-12-08 09:43:17,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:43:17,943 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-08 09:43:17,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:17,944 INFO L225 Difference]: With dead ends: 250 [2018-12-08 09:43:17,944 INFO L226 Difference]: Without dead ends: 139 [2018-12-08 09:43:17,945 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 09:43:17,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-08 09:43:17,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-08 09:43:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-08 09:43:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 163 transitions. [2018-12-08 09:43:17,956 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 163 transitions. Word has length 56 [2018-12-08 09:43:17,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:17,956 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 163 transitions. [2018-12-08 09:43:17,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:43:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 163 transitions. [2018-12-08 09:43:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-08 09:43:17,958 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:17,958 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:17,959 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:17,959 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:17,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1780832067, now seen corresponding path program 1 times [2018-12-08 09:43:17,959 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:17,959 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:17,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:17,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:18,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:18,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 09:43:18,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 09:43:18,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 09:43:18,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 09:43:18,049 INFO L87 Difference]: Start difference. First operand 139 states and 163 transitions. Second operand 5 states. [2018-12-08 09:43:18,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:18,341 INFO L93 Difference]: Finished difference Result 354 states and 433 transitions. [2018-12-08 09:43:18,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:43:18,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-08 09:43:18,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:18,344 INFO L225 Difference]: With dead ends: 354 [2018-12-08 09:43:18,344 INFO L226 Difference]: Without dead ends: 243 [2018-12-08 09:43:18,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:43:18,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-08 09:43:18,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 225. [2018-12-08 09:43:18,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-12-08 09:43:18,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 258 transitions. [2018-12-08 09:43:18,360 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 258 transitions. Word has length 74 [2018-12-08 09:43:18,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:18,360 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 258 transitions. [2018-12-08 09:43:18,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 09:43:18,360 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 258 transitions. [2018-12-08 09:43:18,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 09:43:18,361 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:18,361 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:18,362 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:18,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:18,362 INFO L82 PathProgramCache]: Analyzing trace with hash -2057745489, now seen corresponding path program 1 times [2018-12-08 09:43:18,362 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:18,362 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:18,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:18,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:18,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:18,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:18,423 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:18,423 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:43:18,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:43:18,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:43:18,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:43:18,425 INFO L87 Difference]: Start difference. First operand 225 states and 258 transitions. Second operand 6 states. [2018-12-08 09:43:18,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:18,563 INFO L93 Difference]: Finished difference Result 601 states and 710 transitions. [2018-12-08 09:43:18,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:43:18,564 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 09:43:18,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:18,566 INFO L225 Difference]: With dead ends: 601 [2018-12-08 09:43:18,566 INFO L226 Difference]: Without dead ends: 404 [2018-12-08 09:43:18,567 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 [2018-12-08 09:43:18,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-12-08 09:43:18,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-12-08 09:43:18,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-12-08 09:43:18,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 456 transitions. [2018-12-08 09:43:18,588 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 456 transitions. Word has length 88 [2018-12-08 09:43:18,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:18,589 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 456 transitions. [2018-12-08 09:43:18,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:43:18,589 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 456 transitions. [2018-12-08 09:43:18,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-08 09:43:18,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:18,590 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:18,590 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:18,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:18,591 INFO L82 PathProgramCache]: Analyzing trace with hash 242365227, now seen corresponding path program 1 times [2018-12-08 09:43:18,591 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:18,591 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:18,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:18,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:18,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:18,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:18,655 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:18,655 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 09:43:18,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:43:18,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:43:18,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:43:18,656 INFO L87 Difference]: Start difference. First operand 398 states and 456 transitions. Second operand 7 states. [2018-12-08 09:43:18,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:18,968 INFO L93 Difference]: Finished difference Result 797 states and 936 transitions. [2018-12-08 09:43:18,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 09:43:18,969 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-08 09:43:18,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:18,970 INFO L225 Difference]: With dead ends: 797 [2018-12-08 09:43:18,970 INFO L226 Difference]: Without dead ends: 427 [2018-12-08 09:43:18,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-08 09:43:18,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-12-08 09:43:18,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 397. [2018-12-08 09:43:18,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-12-08 09:43:18,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 453 transitions. [2018-12-08 09:43:18,994 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 453 transitions. Word has length 92 [2018-12-08 09:43:18,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:18,995 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 453 transitions. [2018-12-08 09:43:18,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:43:18,995 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 453 transitions. [2018-12-08 09:43:18,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 09:43:18,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:18,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:18,997 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:18,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:18,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1348117597, now seen corresponding path program 1 times [2018-12-08 09:43:18,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:18,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:18,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:18,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:18,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:19,067 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:19,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:43:19,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:43:19,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:43:19,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:43:19,068 INFO L87 Difference]: Start difference. First operand 397 states and 453 transitions. Second operand 6 states. [2018-12-08 09:43:19,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:19,099 INFO L93 Difference]: Finished difference Result 776 states and 900 transitions. [2018-12-08 09:43:19,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:43:19,100 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-08 09:43:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:19,101 INFO L225 Difference]: With dead ends: 776 [2018-12-08 09:43:19,102 INFO L226 Difference]: Without dead ends: 407 [2018-12-08 09:43:19,102 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 [2018-12-08 09:43:19,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2018-12-08 09:43:19,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2018-12-08 09:43:19,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-08 09:43:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 463 transitions. [2018-12-08 09:43:19,115 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 463 transitions. Word has length 93 [2018-12-08 09:43:19,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:19,115 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 463 transitions. [2018-12-08 09:43:19,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:43:19,116 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 463 transitions. [2018-12-08 09:43:19,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 09:43:19,116 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:19,116 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:19,117 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:19,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:19,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1275731039, now seen corresponding path program 1 times [2018-12-08 09:43:19,117 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:19,117 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:19,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:19,164 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:19,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 09:43:19,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 09:43:19,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 09:43:19,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:43:19,165 INFO L87 Difference]: Start difference. First operand 407 states and 463 transitions. Second operand 8 states. [2018-12-08 09:43:19,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:19,190 INFO L93 Difference]: Finished difference Result 800 states and 936 transitions. [2018-12-08 09:43:19,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:43:19,191 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-08 09:43:19,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:19,193 INFO L225 Difference]: With dead ends: 800 [2018-12-08 09:43:19,193 INFO L226 Difference]: Without dead ends: 421 [2018-12-08 09:43:19,194 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 [2018-12-08 09:43:19,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-12-08 09:43:19,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 415. [2018-12-08 09:43:19,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-08 09:43:19,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 471 transitions. [2018-12-08 09:43:19,212 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 471 transitions. Word has length 93 [2018-12-08 09:43:19,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:19,212 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 471 transitions. [2018-12-08 09:43:19,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 09:43:19,212 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 471 transitions. [2018-12-08 09:43:19,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 09:43:19,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:19,214 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:19,214 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:19,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:19,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1605496800, now seen corresponding path program 1 times [2018-12-08 09:43:19,214 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:19,215 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:19,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:19,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:19,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:43:19,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:43:19,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:43:19,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:43:19,276 INFO L87 Difference]: Start difference. First operand 415 states and 471 transitions. Second operand 4 states. [2018-12-08 09:43:19,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:19,427 INFO L93 Difference]: Finished difference Result 1250 states and 1496 transitions. [2018-12-08 09:43:19,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:43:19,428 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-08 09:43:19,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:19,432 INFO L225 Difference]: With dead ends: 1250 [2018-12-08 09:43:19,432 INFO L226 Difference]: Without dead ends: 863 [2018-12-08 09:43:19,433 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 [2018-12-08 09:43:19,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-08 09:43:19,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 549. [2018-12-08 09:43:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-12-08 09:43:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 618 transitions. [2018-12-08 09:43:19,462 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 618 transitions. Word has length 93 [2018-12-08 09:43:19,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:19,463 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 618 transitions. [2018-12-08 09:43:19,463 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:43:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 618 transitions. [2018-12-08 09:43:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 09:43:19,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:19,464 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:19,464 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:19,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:19,464 INFO L82 PathProgramCache]: Analyzing trace with hash -2047783674, now seen corresponding path program 1 times [2018-12-08 09:43:19,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:19,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:19,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:43:19,495 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:43:19,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:43:19,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:43:19,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:43:19,495 INFO L87 Difference]: Start difference. First operand 549 states and 618 transitions. Second operand 3 states. [2018-12-08 09:43:19,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:19,532 INFO L93 Difference]: Finished difference Result 866 states and 990 transitions. [2018-12-08 09:43:19,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:43:19,532 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 97 [2018-12-08 09:43:19,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:19,534 INFO L225 Difference]: With dead ends: 866 [2018-12-08 09:43:19,534 INFO L226 Difference]: Without dead ends: 863 [2018-12-08 09:43:19,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:43:19,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-08 09:43:19,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 713. [2018-12-08 09:43:19,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 713 states. [2018-12-08 09:43:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 713 states and 813 transitions. [2018-12-08 09:43:19,558 INFO L78 Accepts]: Start accepts. Automaton has 713 states and 813 transitions. Word has length 97 [2018-12-08 09:43:19,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:19,558 INFO L480 AbstractCegarLoop]: Abstraction has 713 states and 813 transitions. [2018-12-08 09:43:19,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:43:19,559 INFO L276 IsEmpty]: Start isEmpty. Operand 713 states and 813 transitions. [2018-12-08 09:43:19,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-08 09:43:19,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:19,560 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:19,560 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:19,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:19,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1584272901, now seen corresponding path program 1 times [2018-12-08 09:43:19,560 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:19,561 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:19,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,561 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,561 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,636 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 21 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 09:43:19,636 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:43:19,637 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/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 [2018-12-08 09:43:19,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:19,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:43:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:43:19,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 09:43:19,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 8 [2018-12-08 09:43:19,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 09:43:19,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 09:43:19,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:43:19,826 INFO L87 Difference]: Start difference. First operand 713 states and 813 transitions. Second operand 8 states. [2018-12-08 09:43:19,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:19,948 INFO L93 Difference]: Finished difference Result 1201 states and 1380 transitions. [2018-12-08 09:43:19,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:43:19,949 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-08 09:43:19,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:19,951 INFO L225 Difference]: With dead ends: 1201 [2018-12-08 09:43:19,951 INFO L226 Difference]: Without dead ends: 646 [2018-12-08 09:43:19,952 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:43:19,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 646 states. [2018-12-08 09:43:19,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 646 to 646. [2018-12-08 09:43:19,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2018-12-08 09:43:19,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 727 transitions. [2018-12-08 09:43:19,975 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 727 transitions. Word has length 160 [2018-12-08 09:43:19,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:19,976 INFO L480 AbstractCegarLoop]: Abstraction has 646 states and 727 transitions. [2018-12-08 09:43:19,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 09:43:19,976 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 727 transitions. [2018-12-08 09:43:19,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 09:43:19,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:43:19,978 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:43:19,978 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:43:19,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:43:19,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1035830722, now seen corresponding path program 1 times [2018-12-08 09:43:19,978 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:43:19,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:43:19,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:19,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:43:19,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:20,085 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 09:43:20,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:43:20,085 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/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 [2018-12-08 09:43:20,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:43:20,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:43:20,164 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:43:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 09:43:20,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 09:43:20,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-08 09:43:20,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-08 09:43:20,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-08 09:43:20,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-08 09:43:20,295 INFO L87 Difference]: Start difference. First operand 646 states and 727 transitions. Second operand 19 states. [2018-12-08 09:43:20,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:43:20,852 INFO L93 Difference]: Finished difference Result 1164 states and 1322 transitions. [2018-12-08 09:43:20,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-08 09:43:20,852 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 173 [2018-12-08 09:43:20,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:43:20,853 INFO L225 Difference]: With dead ends: 1164 [2018-12-08 09:43:20,853 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 09:43:20,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-08 09:43:20,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 09:43:20,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 09:43:20,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 09:43:20,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 09:43:20,855 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 173 [2018-12-08 09:43:20,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:43:20,855 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:43:20,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-08 09:43:20,855 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:43:20,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 09:43:20,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 09:43:20,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:20,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,118 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:43:21,253 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-12-08 09:43:22,002 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 37 [2018-12-08 09:43:22,962 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 42 [2018-12-08 09:43:23,350 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 978 984) the Hoare annotation is: true [2018-12-08 09:43:23,350 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-08 09:43:23,350 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 985 993) no Hoare annotation was computed. [2018-12-08 09:43:23,350 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 985 993) the Hoare annotation is: true [2018-12-08 09:43:23,350 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 985 993) no Hoare annotation was computed. [2018-12-08 09:43:23,350 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 832 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,350 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 832 854) no Hoare annotation was computed. [2018-12-08 09:43:23,350 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 832 854) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,351 INFO L444 ceAbstractionStarter]: At program point L844-1(line 844) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 849) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point L842-1(lines 842 849) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point L840(line 840) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,351 INFO L444 ceAbstractionStarter]: At program point L838(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,351 INFO L444 ceAbstractionStarter]: At program point L838-1(line 838) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 633 641) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 633 641) the Hoare annotation is: true [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 633 641) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L451 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: true [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point L706-2(lines 706 710) no Hoare annotation was computed. [2018-12-08 09:43:23,351 INFO L448 ceAbstractionStarter]: For program point L704-1(line 704) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 697 715) the Hoare annotation is: true [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 697 715) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 710) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 697 715) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 971 977) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 971 977) the Hoare annotation is: true [2018-12-08 09:43:23,352 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 818 828) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 818 828) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 818 828) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 622 632) the Hoare annotation is: true [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 622 632) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 622 632) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 614 621) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 614 621) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 614 621) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 946) no Hoare annotation was computed. [2018-12-08 09:43:23,352 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 936 949) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 936 949) the Hoare annotation is: true [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 936 949) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4) (or .cse1 .cse2 .cse5) (or .cse4 .cse3 .cse5)))) [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point L600-1(lines 581 605) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 581 605) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 581 605) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse3 .cse4 .cse2) (or .cse1 .cse2 .cse5) (or .cse2 .cse4 .cse3 .cse5)))) [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point L595(line 595) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse1 .cse0) (or .cse4 .cse2)))) [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or .cse0 .cse3 (not (= ~methAndRunningLastTime~0 0))) (or .cse3 .cse4) (or .cse2 .cse1 .cse4)))) [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 597) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point L587(line 587) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse2 .cse3 .cse4) (or .cse1 .cse5) (or .cse4 .cse3 .cse2 .cse5)))) [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point L587-1(line 587) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 602) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 521 527) no Hoare annotation was computed. [2018-12-08 09:43:23,353 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 521 527) the Hoare annotation is: true [2018-12-08 09:43:23,353 INFO L444 ceAbstractionStarter]: At program point L99-2(lines 93 104) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (and .cse0 .cse3 .cse2 .cse5) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2))) [2018-12-08 09:43:23,353 INFO L448 ceAbstractionStarter]: For program point L64(lines 63 108) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 53 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 104) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 53 116) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 83 89) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point L106(lines 63 108) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse5 .cse2))) [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 79) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 79) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 69) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point L109(lines 62 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 53 116) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 950 958) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 950 958) the Hoare annotation is: true [2018-12-08 09:43:23,354 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 950 958) no Hoare annotation was computed. [2018-12-08 09:43:23,354 INFO L444 ceAbstractionStarter]: At program point L736(line 736) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (= ~waterLevel~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse1) .cse2) (or .cse4 .cse5 .cse6 .cse0 .cse1 .cse7) (or .cse4 .cse3 .cse1 (not .cse5) .cse7 .cse6))) [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L736-1(line 736) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 751) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 726 754) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 726 754) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1))) (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not .cse6)) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (= 0 ~methAndRunningLastTime~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse6 .cse1 (not (= 1 ~pumpRunning~0)) .cse2 .cse4) (or .cse5 .cse0 .cse2 .cse3 .cse4 .cse1)))) [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (not (= 0 ~pumpRunning~0)) .cse1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse2) (or .cse4 .cse3) (or .cse4 (= ~waterLevel~0 1) .cse0 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0)))))) [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 726 754) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 745) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 748) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 718 725) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= ~waterLevel~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~methaneLevelCritical~0 0))) [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 718 725) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 718 725) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 606 613) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 606 613) no Hoare annotation was computed. [2018-12-08 09:43:23,355 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 606 613) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 (not (= ~methAndRunningLastTime~0 0))))) [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 678 696) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 691) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L687-2(lines 687 691) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 678 696) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 678 696) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 883 894) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse1 (or (not (= 0 ~pumpRunning~0)) .cse6)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse5 .cse2) (or .cse1 .cse4 .cse3 .cse7)))) [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L887-1(lines 883 894) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 883 894) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 895 903) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 895 903) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 895 903) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L768(line 768) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 757 786) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point L767-2(lines 767 781) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 757 786) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point L763(line 763) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L763-1(line 763) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point L782(lines 757 786) the Hoare annotation is: true [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L778(line 778) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 775) no Hoare annotation was computed. [2018-12-08 09:43:23,356 INFO L451 ceAbstractionStarter]: At program point L771-1(lines 771 775) the Hoare annotation is: true [2018-12-08 09:43:23,357 INFO L444 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse0 (or .cse8 .cse4)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse6 .cse0 (and .cse1 .cse7) .cse2) (or .cse6 .cse4 .cse5 .cse1) (or .cse6 .cse7 .cse4 .cse5 .cse2) (or .cse6 .cse8 .cse4 .cse9 .cse2 .cse10) (or .cse8 (and .cse10 .cse7) .cse4 .cse9 .cse2 .cse3)))) [2018-12-08 09:43:23,357 INFO L444 ceAbstractionStarter]: At program point L508(lines 508 514) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (or .cse11 .cse2)) (.cse6 (not (= ~waterLevel~0 1))) (.cse7 (= ~pumpRunning~0 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (and (= 1 ~waterLevel~0) .cse10))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9) (or .cse5 .cse1 .cse2 .cse3 .cse9) (or .cse0 .cse5 .cse4 (and .cse6 .cse7 .cse10) .cse8) (or .cse11 .cse12 .cse2 .cse13 .cse8 .cse9) (or .cse0 .cse11 .cse2 .cse13 .cse8 .cse12)))) [2018-12-08 09:43:23,357 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse4 (or (not (= 0 |old(~pumpRunning~0)|)) .cse1)) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3) (or .cse6 .cse1 .cse2 .cse0) (or .cse6 (= 0 ~methAndRunningLastTime~0) .cse1 .cse2 .cse5) (or .cse6 .cse4 .cse5)))) [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point L501(lines 500 519) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 497 520) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse11 (= 0 ~methAndRunningLastTime~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (let ((.cse1 (or .cse4 .cse6)) (.cse2 (and .cse10 .cse11)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (= 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse3 .cse8) (or .cse0 .cse6 .cse9 .cse10) (or .cse0 .cse11 .cse6 .cse9 .cse3) (or .cse1 .cse2 .cse3 .cse8) (or .cse0 .cse4 .cse6 .cse7 .cse3 .cse5) (or .cse6 .cse9 .cse8 .cse10)))) [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 497 520) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 497 520) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 859 870) the Hoare annotation is: true [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point L863-1(lines 859 870) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 859 870) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 811 817) no Hoare annotation was computed. [2018-12-08 09:43:23,357 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 811 817) the Hoare annotation is: true [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:43:23,357 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) (= 0 ~methAndRunningLastTime~0)) [2018-12-08 09:43:23,357 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:43:23,357 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 529 553) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point L543(line 543) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 (not (= ~methAndRunningLastTime~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse1)))) [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 529 553) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point L539(line 539) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (and (not (= ~waterLevel~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 545) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point L535-1(line 535) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 550) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point L548-1(lines 529 553) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 871 882) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point L875-1(lines 871 882) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 871 882) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= 1 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4 .cse1))) [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-08 09:43:23,358 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-08 09:43:23,358 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-08 09:43:23,359 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 09:43:23,359 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 555 579) no Hoare annotation was computed. [2018-12-08 09:43:23,359 INFO L448 ceAbstractionStarter]: For program point L574-1(lines 555 579) no Hoare annotation was computed. [2018-12-08 09:43:23,359 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 555 579) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 .cse2) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse2)))) [2018-12-08 09:43:23,359 INFO L444 ceAbstractionStarter]: At program point L569(line 569) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-08 09:43:23,359 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-08 09:43:23,359 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 571) no Hoare annotation was computed. [2018-12-08 09:43:23,359 INFO L444 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) .cse2)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse1)))) [2018-12-08 09:43:23,359 INFO L448 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-12-08 09:43:23,359 INFO L448 ceAbstractionStarter]: For program point L559(lines 559 576) no Hoare annotation was computed. [2018-12-08 09:43:23,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:43:23 BoogieIcfgContainer [2018-12-08 09:43:23,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:43:23,367 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:43:23,367 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:43:23,367 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:43:23,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:43:17" (3/4) ... [2018-12-08 09:43:23,370 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 09:43:23,374 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 09:43:23,375 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-12-08 09:43:23,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-08 09:43:23,380 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 09:43:23,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 09:43:23,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 09:43:23,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 09:43:23,381 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 09:43:23,398 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-12-08 09:43:23,398 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 09:43:23,422 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8fdc971b-9818-457e-9e35-ec94924562e3/bin-2019/uautomizer/witness.graphml [2018-12-08 09:43:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:43:23,422 INFO L168 Benchmark]: Toolchain (without parser) took 6748.51 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 375.4 MB). Free memory was 956.0 MB in the beginning and 1.0 GB in the end (delta: -63.3 MB). Peak memory consumption was 312.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.23 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. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 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. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: RCFGBuilder took 339.95 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: TraceAbstraction took 6012.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 423.4 MB. Max. memory is 11.5 GB. [2018-12-08 09:43:23,423 INFO L168 Benchmark]: Witness Printer took 54.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:43:23,424 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -157.8 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.23 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 23.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 339.95 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6012.17 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 245.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 26.9 MB). Peak memory consumption was 423.4 MB. Max. memory is 11.5 GB. * Witness Printer took 54.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 63]: Loop Invariant Derived loop invariant: (((((((!(0 == \old(pumpRunning)) || (((0 == methaneLevelCritical && pumpRunning == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && methaneLevelCritical == 1) && splverifierCounter == 0) - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 757]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 161 locations, 1 error locations. SAFE Result, 5.9s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2245 SDtfs, 1476 SDslu, 6443 SDs, 0 SdLazy, 2222 SolverSat, 345 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 468 GetRequests, 382 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 163 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=713occurred 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 524 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 1642 PreInvPairs, 1694 NumberOfFragments, 2571 HoareAnnotationTreeSize, 1642 FomulaSimplifications, 5704 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 67 FomulaSimplificationsInter, 8791 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1441 ConstructedInterpolants, 0 QuantifiedInterpolants, 287060 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1827 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 198/208 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...