./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_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_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:27:58,944 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:27:58,945 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:27:58,953 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:27:58,953 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:27:58,954 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:27:58,954 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:27:58,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:27:58,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:27:58,956 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:27:58,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:27:58,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:27:58,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:27:58,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:27:58,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:27:58,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:27:58,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:27:58,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:27:58,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:27:58,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:27:58,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:27:58,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:27:58,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:27:58,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:27:58,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:27:58,966 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:27:58,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:27:58,967 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:27:58,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:27:58,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:27:58,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:27:58,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:27:58,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:27:58,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:27:58,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:27:58,969 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:27:58,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 14:27:58,978 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:27:58,978 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:27:58,979 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:27:58,979 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 14:27:58,979 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:27:58,979 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:27:58,980 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:27:58,980 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:27:58,981 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:27:58,981 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:27:58,981 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:27:58,981 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 14:27:58,981 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:27:58,981 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:27:58,981 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_4621f5e7-ee41-4c0e-8457-9d63b379091a/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2018-12-02 14:27:58,999 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:27:59,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:27:59,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:27:59,012 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:27:59,012 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:27:59,012 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-02 14:27:59,058 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/data/c5d56534b/9cf931996ced457fab7b26ab7abb37b0/FLAGbc5c7fdd5 [2018-12-02 14:27:59,470 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:27:59,471 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/sv-benchmarks/c/product-lines/minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-02 14:27:59,477 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/data/c5d56534b/9cf931996ced457fab7b26ab7abb37b0/FLAGbc5c7fdd5 [2018-12-02 14:27:59,485 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/data/c5d56534b/9cf931996ced457fab7b26ab7abb37b0 [2018-12-02 14:27:59,487 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:27:59,488 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:27:59,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:27:59,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:27:59,491 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:27:59,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59, skipping insertion in model container [2018-12-02 14:27:59,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,497 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:27:59,518 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:27:59,671 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:27:59,679 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:27:59,757 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:27:59,774 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:27:59,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59 WrapperNode [2018-12-02 14:27:59,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:27:59,775 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:27:59,775 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:27:59,775 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:27:59,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:27:59,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:27:59,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:27:59,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:27:59,800 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,803 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,803 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,809 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,814 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... [2018-12-02 14:27:59,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:27:59,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:27:59,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:27:59,817 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:27:59,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/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 [2018-12-02 14:27:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 14:27:59,848 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 14:27:59,848 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 14:27:59,849 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 14:27:59,849 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 14:27:59,850 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 14:27:59,850 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 14:27:59,851 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:27:59,851 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 14:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 14:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 14:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 14:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 14:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 14:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 14:27:59,852 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 14:27:59,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 14:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 14:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 14:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 14:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 14:27:59,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:27:59,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:28:00,151 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:28:00,151 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 14:28:00,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:28:00 BoogieIcfgContainer [2018-12-02 14:28:00,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:28:00,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:28:00,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:28:00,153 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:28:00,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:27:59" (1/3) ... [2018-12-02 14:28:00,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:28:00, skipping insertion in model container [2018-12-02 14:28:00,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:59" (2/3) ... [2018-12-02 14:28:00,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b2594a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:28:00, skipping insertion in model container [2018-12-02 14:28:00,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:28:00" (3/3) ... [2018-12-02 14:28:00,156 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product61_true-unreach-call_false-termination.cil.c [2018-12-02 14:28:00,161 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:28:00,166 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:28:00,175 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:28:00,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:28:00,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:28:00,193 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:28:00,193 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:28:00,193 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:28:00,193 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:28:00,193 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:28:00,193 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:28:00,193 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:28:00,206 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states. [2018-12-02 14:28:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 14:28:00,211 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:00,211 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] [2018-12-02 14:28:00,213 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:00,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:00,216 INFO L82 PathProgramCache]: Analyzing trace with hash 389066251, now seen corresponding path program 1 times [2018-12-02 14:28:00,217 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:00,217 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:00,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:00,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:00,362 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:00,363 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:00,363 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:28:00,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:28:00,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:28:00,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:28:00,375 INFO L87 Difference]: Start difference. First operand 168 states. Second operand 2 states. [2018-12-02 14:28:00,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:00,402 INFO L93 Difference]: Finished difference Result 306 states and 383 transitions. [2018-12-02 14:28:00,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:28:00,403 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 14:28:00,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:00,410 INFO L225 Difference]: With dead ends: 306 [2018-12-02 14:28:00,410 INFO L226 Difference]: Without dead ends: 155 [2018-12-02 14:28:00,412 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 [2018-12-02 14:28:00,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-12-02 14:28:00,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-12-02 14:28:00,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-12-02 14:28:00,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 185 transitions. [2018-12-02 14:28:00,445 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 185 transitions. Word has length 51 [2018-12-02 14:28:00,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:00,445 INFO L480 AbstractCegarLoop]: Abstraction has 155 states and 185 transitions. [2018-12-02 14:28:00,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:28:00,445 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 185 transitions. [2018-12-02 14:28:00,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:28:00,447 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:00,447 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] [2018-12-02 14:28:00,447 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:00,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:00,447 INFO L82 PathProgramCache]: Analyzing trace with hash -286557566, now seen corresponding path program 1 times [2018-12-02 14:28:00,447 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:00,448 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:00,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:00,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:00,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:00,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:28:00,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:28:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:28:00,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:28:00,507 INFO L87 Difference]: Start difference. First operand 155 states and 185 transitions. Second operand 3 states. [2018-12-02 14:28:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:00,521 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-02 14:28:00,522 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:28:00,522 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 14:28:00,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:00,523 INFO L225 Difference]: With dead ends: 255 [2018-12-02 14:28:00,523 INFO L226 Difference]: Without dead ends: 146 [2018-12-02 14:28:00,524 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 [2018-12-02 14:28:00,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-02 14:28:00,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-02 14:28:00,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-02 14:28:00,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 173 transitions. [2018-12-02 14:28:00,533 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 173 transitions. Word has length 52 [2018-12-02 14:28:00,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:00,533 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 173 transitions. [2018-12-02 14:28:00,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:28:00,533 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 173 transitions. [2018-12-02 14:28:00,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 14:28:00,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:00,534 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] [2018-12-02 14:28:00,534 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:00,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1860139503, now seen corresponding path program 1 times [2018-12-02 14:28:00,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:00,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:00,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:00,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:00,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:00,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:28:00,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:28:00,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:28:00,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:28:00,617 INFO L87 Difference]: Start difference. First operand 146 states and 173 transitions. Second operand 7 states. [2018-12-02 14:28:00,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:00,829 INFO L93 Difference]: Finished difference Result 264 states and 319 transitions. [2018-12-02 14:28:00,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:28:00,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 14:28:00,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:00,831 INFO L225 Difference]: With dead ends: 264 [2018-12-02 14:28:00,831 INFO L226 Difference]: Without dead ends: 146 [2018-12-02 14:28:00,832 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 [2018-12-02 14:28:00,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-12-02 14:28:00,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-12-02 14:28:00,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-12-02 14:28:00,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-12-02 14:28:00,844 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 56 [2018-12-02 14:28:00,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:00,844 INFO L480 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-12-02 14:28:00,845 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:28:00,845 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-12-02 14:28:00,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-02 14:28:00,847 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:00,847 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] [2018-12-02 14:28:00,847 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:00,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:00,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1068225782, now seen corresponding path program 1 times [2018-12-02 14:28:00,848 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:00,848 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:00,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:00,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:00,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:00,916 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:00,916 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 14:28:00,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 14:28:00,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 14:28:00,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 14:28:00,917 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 5 states. [2018-12-02 14:28:01,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:01,249 INFO L93 Difference]: Finished difference Result 375 states and 458 transitions. [2018-12-02 14:28:01,249 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:28:01,249 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 74 [2018-12-02 14:28:01,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:01,251 INFO L225 Difference]: With dead ends: 375 [2018-12-02 14:28:01,251 INFO L226 Difference]: Without dead ends: 257 [2018-12-02 14:28:01,252 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 [2018-12-02 14:28:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-12-02 14:28:01,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 239. [2018-12-02 14:28:01,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-12-02 14:28:01,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 274 transitions. [2018-12-02 14:28:01,268 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 274 transitions. Word has length 74 [2018-12-02 14:28:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:01,268 INFO L480 AbstractCegarLoop]: Abstraction has 239 states and 274 transitions. [2018-12-02 14:28:01,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 14:28:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 274 transitions. [2018-12-02 14:28:01,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 14:28:01,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:01,270 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] [2018-12-02 14:28:01,270 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:01,270 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:01,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1280982680, now seen corresponding path program 1 times [2018-12-02 14:28:01,270 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:01,270 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:01,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:01,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:01,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:01,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:28:01,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:28:01,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:28:01,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:28:01,327 INFO L87 Difference]: Start difference. First operand 239 states and 274 transitions. Second operand 6 states. [2018-12-02 14:28:01,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:01,464 INFO L93 Difference]: Finished difference Result 643 states and 758 transitions. [2018-12-02 14:28:01,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:28:01,464 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-02 14:28:01,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:01,466 INFO L225 Difference]: With dead ends: 643 [2018-12-02 14:28:01,466 INFO L226 Difference]: Without dead ends: 432 [2018-12-02 14:28:01,467 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 [2018-12-02 14:28:01,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2018-12-02 14:28:01,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 426. [2018-12-02 14:28:01,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-02 14:28:01,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-12-02 14:28:01,487 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 88 [2018-12-02 14:28:01,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:01,487 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-12-02 14:28:01,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:28:01,487 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-12-02 14:28:01,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-02 14:28:01,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:01,488 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] [2018-12-02 14:28:01,488 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:01,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:01,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1019197196, now seen corresponding path program 1 times [2018-12-02 14:28:01,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:01,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:01,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,489 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:01,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:01,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:01,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:28:01,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:28:01,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:28:01,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:28:01,548 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 7 states. [2018-12-02 14:28:01,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:01,895 INFO L93 Difference]: Finished difference Result 853 states and 1000 transitions. [2018-12-02 14:28:01,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:28:01,896 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-12-02 14:28:01,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:01,898 INFO L225 Difference]: With dead ends: 853 [2018-12-02 14:28:01,898 INFO L226 Difference]: Without dead ends: 455 [2018-12-02 14:28:01,899 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 14:28:01,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-02 14:28:01,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 425. [2018-12-02 14:28:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2018-12-02 14:28:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 485 transitions. [2018-12-02 14:28:01,920 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 485 transitions. Word has length 92 [2018-12-02 14:28:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:01,920 INFO L480 AbstractCegarLoop]: Abstraction has 425 states and 485 transitions. [2018-12-02 14:28:01,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:28:01,920 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 485 transitions. [2018-12-02 14:28:01,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 14:28:01,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:01,922 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:28:01,922 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:01,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:01,923 INFO L82 PathProgramCache]: Analyzing trace with hash -521179943, now seen corresponding path program 1 times [2018-12-02 14:28:01,923 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:01,923 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:01,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:01,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:01,987 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:28:01,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:01,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:28:01,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:28:01,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:28:01,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:28:01,988 INFO L87 Difference]: Start difference. First operand 425 states and 485 transitions. Second operand 6 states. [2018-12-02 14:28:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:02,012 INFO L93 Difference]: Finished difference Result 836 states and 978 transitions. [2018-12-02 14:28:02,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:28:02,012 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 108 [2018-12-02 14:28:02,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:02,014 INFO L225 Difference]: With dead ends: 836 [2018-12-02 14:28:02,014 INFO L226 Difference]: Without dead ends: 439 [2018-12-02 14:28:02,015 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 [2018-12-02 14:28:02,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2018-12-02 14:28:02,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 435. [2018-12-02 14:28:02,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-02 14:28:02,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 495 transitions. [2018-12-02 14:28:02,031 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 495 transitions. Word has length 108 [2018-12-02 14:28:02,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:02,031 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 495 transitions. [2018-12-02 14:28:02,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:28:02,031 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 495 transitions. [2018-12-02 14:28:02,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 14:28:02,033 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:02,033 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:28:02,033 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:02,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:02,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1417982103, now seen corresponding path program 1 times [2018-12-02 14:28:02,033 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:02,033 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:02,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:02,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:02,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:28:02,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:02,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 14:28:02,100 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 14:28:02,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 14:28:02,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:28:02,100 INFO L87 Difference]: Start difference. First operand 435 states and 495 transitions. Second operand 8 states. [2018-12-02 14:28:02,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:02,123 INFO L93 Difference]: Finished difference Result 856 states and 1000 transitions. [2018-12-02 14:28:02,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:28:02,124 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 108 [2018-12-02 14:28:02,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:02,125 INFO L225 Difference]: With dead ends: 856 [2018-12-02 14:28:02,125 INFO L226 Difference]: Without dead ends: 449 [2018-12-02 14:28:02,126 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 [2018-12-02 14:28:02,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 449 states. [2018-12-02 14:28:02,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 449 to 443. [2018-12-02 14:28:02,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2018-12-02 14:28:02,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 503 transitions. [2018-12-02 14:28:02,138 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 503 transitions. Word has length 108 [2018-12-02 14:28:02,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:02,138 INFO L480 AbstractCegarLoop]: Abstraction has 443 states and 503 transitions. [2018-12-02 14:28:02,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 14:28:02,138 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 503 transitions. [2018-12-02 14:28:02,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-02 14:28:02,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:02,139 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:28:02,139 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:02,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:02,139 INFO L82 PathProgramCache]: Analyzing trace with hash -2107815178, now seen corresponding path program 1 times [2018-12-02 14:28:02,139 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:02,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:02,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:02,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:28:02,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:28:02,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 14:28:02,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 14:28:02,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 14:28:02,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:28:02,185 INFO L87 Difference]: Start difference. First operand 443 states and 503 transitions. Second operand 4 states. [2018-12-02 14:28:02,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:02,321 INFO L93 Difference]: Finished difference Result 1306 states and 1560 transitions. [2018-12-02 14:28:02,321 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 14:28:02,321 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 108 [2018-12-02 14:28:02,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:02,323 INFO L225 Difference]: With dead ends: 1306 [2018-12-02 14:28:02,323 INFO L226 Difference]: Without dead ends: 891 [2018-12-02 14:28:02,325 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 [2018-12-02 14:28:02,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 891 states. [2018-12-02 14:28:02,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 891 to 876. [2018-12-02 14:28:02,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 876 states. [2018-12-02 14:28:02,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1025 transitions. [2018-12-02 14:28:02,356 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1025 transitions. Word has length 108 [2018-12-02 14:28:02,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:02,357 INFO L480 AbstractCegarLoop]: Abstraction has 876 states and 1025 transitions. [2018-12-02 14:28:02,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 14:28:02,357 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1025 transitions. [2018-12-02 14:28:02,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 14:28:02,358 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:02,358 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:28:02,358 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:02,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:02,358 INFO L82 PathProgramCache]: Analyzing trace with hash -1926232080, now seen corresponding path program 1 times [2018-12-02 14:28:02,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:02,359 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:02,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:02,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:02,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:02,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 14:28:02,461 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:28:02,461 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/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 [2018-12-02 14:28:02,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:02,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:28:02,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:28:02,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:28:02,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 14:28:02,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 14:28:02,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 14:28:02,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 14:28:02,710 INFO L87 Difference]: Start difference. First operand 876 states and 1025 transitions. Second operand 19 states. [2018-12-02 14:28:03,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:03,429 INFO L93 Difference]: Finished difference Result 1691 states and 2002 transitions. [2018-12-02 14:28:03,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 14:28:03,429 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 112 [2018-12-02 14:28:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:03,431 INFO L225 Difference]: With dead ends: 1691 [2018-12-02 14:28:03,431 INFO L226 Difference]: Without dead ends: 843 [2018-12-02 14:28:03,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 14:28:03,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 843 states. [2018-12-02 14:28:03,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 843 to 843. [2018-12-02 14:28:03,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 843 states. [2018-12-02 14:28:03,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 843 states and 971 transitions. [2018-12-02 14:28:03,457 INFO L78 Accepts]: Start accepts. Automaton has 843 states and 971 transitions. Word has length 112 [2018-12-02 14:28:03,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:03,457 INFO L480 AbstractCegarLoop]: Abstraction has 843 states and 971 transitions. [2018-12-02 14:28:03,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 14:28:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 843 states and 971 transitions. [2018-12-02 14:28:03,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-02 14:28:03,459 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:28:03,459 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:28:03,459 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:28:03,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:28:03,460 INFO L82 PathProgramCache]: Analyzing trace with hash 627913357, now seen corresponding path program 1 times [2018-12-02 14:28:03,460 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 14:28:03,460 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 14:28:03,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:03,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:03,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:28:03,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 14:28:03,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:28:03,557 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/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 [2018-12-02 14:28:03,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:28:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:28:03,644 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:28:03,749 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 14:28:03,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:28:03,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 14:28:03,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 14:28:03,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 14:28:03,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 14:28:03,772 INFO L87 Difference]: Start difference. First operand 843 states and 971 transitions. Second operand 19 states. [2018-12-02 14:28:04,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:28:04,370 INFO L93 Difference]: Finished difference Result 1403 states and 1644 transitions. [2018-12-02 14:28:04,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 14:28:04,370 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 181 [2018-12-02 14:28:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:28:04,371 INFO L225 Difference]: With dead ends: 1403 [2018-12-02 14:28:04,371 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:28:04,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 178 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 14:28:04,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:28:04,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:28:04,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:28:04,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:28:04,375 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 181 [2018-12-02 14:28:04,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:28:04,375 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:28:04,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 14:28:04,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:28:04,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:28:04,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:28:04,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:04,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:28:05,124 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2018-12-02 14:28:05,963 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 32 [2018-12-02 14:28:06,239 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 580 586) the Hoare annotation is: true [2018-12-02 14:28:06,239 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 580 586) no Hoare annotation was computed. [2018-12-02 14:28:06,239 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 587 595) no Hoare annotation was computed. [2018-12-02 14:28:06,239 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 587 595) the Hoare annotation is: true [2018-12-02 14:28:06,239 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 587 595) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 163 185) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 163 185) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L175-1(line 175) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~1 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 180) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 163 185) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 173 180) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L169(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L169-1(line 169) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 14:28:06,240 INFO L448 ceAbstractionStarter]: For program point L852-1(lines 833 857) no Hoare annotation was computed. [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 833 857) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-02 14:28:06,240 INFO L444 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 833 857) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 849) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 928 936) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 928 936) the Hoare annotation is: true [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 928 936) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 992 1010) the Hoare annotation is: true [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L1001(lines 1001 1005) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L451 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: true [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L1001-2(lines 1001 1005) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point L999-1(line 999) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 992 1010) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 992 1010) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 573 579) no Hoare annotation was computed. [2018-12-02 14:28:06,241 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 573 579) the Hoare annotation is: true [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 149 159) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 149 159) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 149 159) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 917 927) the Hoare annotation is: true [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 917 927) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L451 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 917 927) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 909 916) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 909 916) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 909 916) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse3 .cse0) (or .cse4 .cse2 .cse0))) [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point L865-1(line 865) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 880) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 859 883) no Hoare annotation was computed. [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 859 883) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 14:28:06,242 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse3 .cse1) (or .cse4 .cse0 .cse1))) [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point L878-1(lines 859 883) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L444 ceAbstractionStarter]: At program point L873(line 873) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-12-02 14:28:06,243 INFO L444 ceAbstractionStarter]: At program point L869(line 869) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point L867(lines 867 875) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 756) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 746 759) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 746 759) the Hoare annotation is: true [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 746 759) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 799 805) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 799 805) the Hoare annotation is: true [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 613) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 597 660) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,243 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 597 660) no Hoare annotation was computed. [2018-12-02 14:28:06,243 INFO L444 ceAbstractionStarter]: At program point L653(lines 606 654) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 647) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L444 ceAbstractionStarter]: At program point L643-2(lines 637 648) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L608(lines 607 652) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L637(lines 637 648) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L444 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 633) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L444 ceAbstractionStarter]: At program point L619(line 619) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 14:28:06,244 INFO L444 ceAbstractionStarter]: At program point L650(lines 607 652) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L617(lines 617 623) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 597 660) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 884 891) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 884 891) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 884 891) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 760 768) the Hoare annotation is: true [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-12-02 14:28:06,244 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 74) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 77) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 52 80) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L451 ceAbstractionStarter]: At program point L58(line 58) the Hoare annotation is: true [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L58-1(line 58) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 52 80) the Hoare annotation is: true [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 52 80) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 14:28:06,245 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 44 51) the Hoare annotation is: true [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point L897(line 897) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L897-1(line 897) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 892 908) no Hoare annotation was computed. [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 892 908) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 14:28:06,245 INFO L444 ceAbstractionStarter]: At program point L903(line 903) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~9 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 14:28:06,245 INFO L448 ceAbstractionStarter]: For program point L903-1(lines 892 908) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 905) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 973 991) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L982(lines 982 986) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 973 991) the Hoare annotation is: true [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 973 991) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L451 ceAbstractionStarter]: At program point L980(line 980) the Hoare annotation is: true [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L982-2(lines 982 986) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L980-1(line 980) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 693 704) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) (= ~methaneLevelCritical~0 1) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L697-1(lines 693 704) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 693 704) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L444 ceAbstractionStarter]: At program point L788(line 788) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse7 .cse8 .cse1 .cse2 (not (= |old(~pumpRunning~0)| 0))) (or .cse3 .cse0 .cse1) (or .cse3 .cse7 .cse4 .cse1 .cse8)))) [2018-12-02 14:28:06,246 INFO L444 ceAbstractionStarter]: At program point L786(lines 786 792) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| 1))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse6)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse3 .cse5 (not (= |old(~pumpRunning~0)| 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7 .cse8 .cse3 .cse5) (or .cse0 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7)))) [2018-12-02 14:28:06,246 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 775 798) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not .cse7)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse5 .cse4 .cse1 .cse6 .cse2) (or .cse3 .cse7 .cse8 .cse1) (or .cse7 .cse1 .cse2 .cse8) (or .cse3 .cse0 .cse1)))) [2018-12-02 14:28:06,246 INFO L444 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (not (= |old(~pumpRunning~0)| 0)) .cse1)) (or .cse2 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse2 .cse1 .cse0))) [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point L779(lines 778 797) no Hoare annotation was computed. [2018-12-02 14:28:06,246 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 775 798) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 775 798) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point L98-1(lines 98 102) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 84 113) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point L95(line 95) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 84 113) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 108) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point L90(line 90) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point L90-1(line 90) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point L109(lines 84 113) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point L98(lines 98 102) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 705 713) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 705 713) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 705 713) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point L673-1(lines 669 680) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 669 680) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 669 680) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 141 147) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 141 147) the Hoare annotation is: true [2018-12-02 14:28:06,247 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:28:06,247 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 14:28:06,247 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 807 831) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 807 831) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point L826(line 826) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse2 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0))) [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point L826-1(lines 807 831) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point L821(line 821) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (= |old(~pumpRunning~0)| 0) .cse0 .cse1) (or .cse0 .cse2 .cse1) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse2))) [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= |old(~pumpRunning~0)| 0) .cse2 .cse4) (or (and .cse5 .cse3) .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse5))) [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 823) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| 0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 828) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 681 692) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point L685-1(lines 681 692) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 681 692) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3))) [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 553 560) no Hoare annotation was computed. [2018-12-02 14:28:06,248 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 553 560) the Hoare annotation is: true [2018-12-02 14:28:06,248 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2018-12-02 14:28:06,249 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 553 560) no Hoare annotation was computed. [2018-12-02 14:28:06,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:28:06 BoogieIcfgContainer [2018-12-02 14:28:06,256 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:28:06,256 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:28:06,256 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:28:06,256 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:28:06,257 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:28:00" (3/4) ... [2018-12-02 14:28:06,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:28:06,262 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:28:06,263 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 14:28:06,264 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 14:28:06,269 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 14:28:06,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 14:28:06,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 14:28:06,270 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 14:28:06,271 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:28:06,271 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:28:06,290 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-12-02 14:28:06,291 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 14:28:06,322 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4621f5e7-ee41-4c0e-8457-9d63b379091a/bin-2019/uautomizer/witness.graphml [2018-12-02 14:28:06,322 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:28:06,323 INFO L168 Benchmark]: Toolchain (without parser) took 6835.09 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 417.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -191.9 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,323 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:28:06,323 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -205.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,323 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,324 INFO L168 Benchmark]: Boogie Preprocessor took 21.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:28:06,324 INFO L168 Benchmark]: RCFGBuilder took 334.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,324 INFO L168 Benchmark]: TraceAbstraction took 6104.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 249.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.5 MB). Peak memory consumption was 420.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,324 INFO L168 Benchmark]: Witness Printer took 65.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:28:06,326 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 950.6 MB in the beginning and 1.2 GB in the end (delta: -205.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.68 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 334.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6104.32 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 249.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -55.5 MB). Peak memory consumption was 420.9 MB. Max. memory is 11.5 GB. * Witness Printer took 65.91 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 557]: 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: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 168 locations, 1 error locations. SAFE Result, 6.0s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2243 SDtfs, 1656 SDslu, 8279 SDs, 0 SdLazy, 3518 SolverSat, 430 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 440 GetRequests, 330 SyntacticMatches, 4 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=876occurred in iteration=9, 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: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2004 PreInvPairs, 2092 NumberOfFragments, 1679 HoareAnnotationTreeSize, 2004 FomulaSimplifications, 2066 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 70 FomulaSimplificationsInter, 6751 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1323 NumberOfCodeBlocks, 1323 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1310 ConstructedInterpolants, 0 QuantifiedInterpolants, 236209 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1731 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 115/119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...