./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:25:06,945 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:25:06,946 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:25:06,955 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:25:06,955 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:25:06,956 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:25:06,957 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:25:06,958 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:25:06,959 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:25:06,960 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:25:06,960 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:25:06,961 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:25:06,961 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:25:06,962 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:25:06,963 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:25:06,963 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:25:06,964 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:25:06,965 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:25:06,966 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:25:06,967 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:25:06,968 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:25:06,969 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:25:06,970 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:25:06,970 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:25:06,971 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:25:06,971 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:25:06,972 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:25:06,973 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:25:06,973 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:25:06,974 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:25:06,974 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:25:06,975 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:25:06,975 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:25:06,975 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:25:06,975 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:25:06,976 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:25:06,976 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:25:06,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:25:06,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:25:06,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:25:06,987 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:25:06,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:25:06,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:25:06,988 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:25:06,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:25:06,988 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:25:06,988 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:25:06,988 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:25:06,989 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:25:06,990 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:25:06,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:25:06,990 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:25:06,990 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:25:06,990 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:25:06,990 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:25:06,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:25:06,991 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:25:06,991 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:25:06,991 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:25:06,991 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:25:06,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:25:06,991 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_a9c55c22-1bb8-4271-889e-ec1964bf22e5/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2018-11-28 11:25:07,015 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:25:07,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:25:07,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:25:07,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:25:07,028 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:25:07,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-28 11:25:07,063 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/data/806a40235/f572d203e6944767980e19bec1fd1574/FLAG8a67ab5a1 [2018-11-28 11:25:07,488 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:25:07,488 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-28 11:25:07,497 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/data/806a40235/f572d203e6944767980e19bec1fd1574/FLAG8a67ab5a1 [2018-11-28 11:25:07,507 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/data/806a40235/f572d203e6944767980e19bec1fd1574 [2018-11-28 11:25:07,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:25:07,509 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:25:07,510 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:25:07,510 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:25:07,512 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:25:07,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75eb1ba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07, skipping insertion in model container [2018-11-28 11:25:07,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:25:07,545 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:25:07,730 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:25:07,792 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:25:07,844 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:25:07,864 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:25:07,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07 WrapperNode [2018-11-28 11:25:07,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:25:07,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:25:07,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:25:07,865 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:25:07,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:25:07,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:25:07,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:25:07,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:25:07,901 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,902 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,913 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... [2018-11-28 11:25:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:25:07,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:25:07,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:25:07,924 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:25:07,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:25:07,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:25:07,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:25:07,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:25:07,961 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:25:07,962 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:25:07,962 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:25:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:25:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:25:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:25:07,963 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:25:07,963 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:25:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:25:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:25:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:25:07,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:25:07,964 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:25:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:25:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:25:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:25:07,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:25:07,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:25:08,363 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:25:08,364 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:25:08,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:08 BoogieIcfgContainer [2018-11-28 11:25:08,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:25:08,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:25:08,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:25:08,368 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:25:08,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:25:07" (1/3) ... [2018-11-28 11:25:08,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:25:08, skipping insertion in model container [2018-11-28 11:25:08,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:25:07" (2/3) ... [2018-11-28 11:25:08,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@749e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:25:08, skipping insertion in model container [2018-11-28 11:25:08,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:08" (3/3) ... [2018-11-28 11:25:08,370 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-11-28 11:25:08,378 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:25:08,385 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:25:08,398 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:25:08,423 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:25:08,423 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:25:08,424 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:25:08,424 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:25:08,424 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:25:08,424 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:25:08,424 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:25:08,424 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:25:08,424 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:25:08,441 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-28 11:25:08,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:25:08,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:08,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:08,450 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:08,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:08,455 INFO L82 PathProgramCache]: Analyzing trace with hash 1395230563, now seen corresponding path program 1 times [2018-11-28 11:25:08,456 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:08,457 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:08,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:08,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:08,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:08,649 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:08,649 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:25:08,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:25:08,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:25:08,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:25:08,660 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-28 11:25:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:08,686 INFO L93 Difference]: Finished difference Result 216 states and 271 transitions. [2018-11-28 11:25:08,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:25:08,688 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 11:25:08,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:08,696 INFO L225 Difference]: With dead ends: 216 [2018-11-28 11:25:08,696 INFO L226 Difference]: Without dead ends: 110 [2018-11-28 11:25:08,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:25:08,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-28 11:25:08,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-28 11:25:08,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-28 11:25:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-11-28 11:25:08,729 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 51 [2018-11-28 11:25:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:08,730 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-11-28 11:25:08,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:25:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-11-28 11:25:08,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:25:08,733 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:08,733 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:08,733 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:08,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:08,733 INFO L82 PathProgramCache]: Analyzing trace with hash -234462916, now seen corresponding path program 1 times [2018-11-28 11:25:08,734 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:08,734 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:08,734 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:08,735 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:08,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:08,821 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:08,821 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:08,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:08,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:08,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:08,823 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-11-28 11:25:08,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:08,837 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-11-28 11:25:08,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:08,839 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:25:08,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:08,840 INFO L225 Difference]: With dead ends: 165 [2018-11-28 11:25:08,840 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 11:25:08,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:08,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 11:25:08,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 11:25:08,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 11:25:08,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-11-28 11:25:08,852 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 52 [2018-11-28 11:25:08,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:08,853 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-11-28 11:25:08,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:08,853 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-11-28 11:25:08,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-28 11:25:08,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:08,854 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] [2018-11-28 11:25:08,855 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:08,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:08,855 INFO L82 PathProgramCache]: Analyzing trace with hash 266541224, now seen corresponding path program 1 times [2018-11-28 11:25:08,855 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:08,855 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:08,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:08,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:08,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:08,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:08,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:08,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:08,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:08,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:08,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:08,980 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-11-28 11:25:09,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:09,143 INFO L93 Difference]: Finished difference Result 174 states and 207 transitions. [2018-11-28 11:25:09,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:25:09,144 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-11-28 11:25:09,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:09,145 INFO L225 Difference]: With dead ends: 174 [2018-11-28 11:25:09,145 INFO L226 Difference]: Without dead ends: 101 [2018-11-28 11:25:09,146 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:25:09,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-11-28 11:25:09,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-11-28 11:25:09,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-11-28 11:25:09,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-11-28 11:25:09,152 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 56 [2018-11-28 11:25:09,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:09,152 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-11-28 11:25:09,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-11-28 11:25:09,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 11:25:09,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:09,153 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:09,153 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:09,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:09,154 INFO L82 PathProgramCache]: Analyzing trace with hash 250786301, now seen corresponding path program 1 times [2018-11-28 11:25:09,154 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:09,154 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:09,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:09,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:09,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:09,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:09,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:25:09,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:25:09,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:25:09,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:25:09,255 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 5 states. [2018-11-28 11:25:09,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:09,663 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2018-11-28 11:25:09,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:25:09,663 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 11:25:09,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:09,665 INFO L225 Difference]: With dead ends: 259 [2018-11-28 11:25:09,665 INFO L226 Difference]: Without dead ends: 186 [2018-11-28 11:25:09,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:09,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-11-28 11:25:09,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2018-11-28 11:25:09,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-11-28 11:25:09,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2018-11-28 11:25:09,685 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 64 [2018-11-28 11:25:09,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:09,685 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2018-11-28 11:25:09,685 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:25:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2018-11-28 11:25:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 11:25:09,687 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:09,687 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:09,688 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:09,688 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:09,688 INFO L82 PathProgramCache]: Analyzing trace with hash 624066098, now seen corresponding path program 1 times [2018-11-28 11:25:09,688 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:09,688 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:09,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:09,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:09,766 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:09,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:09,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:09,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:09,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:09,767 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 6 states. [2018-11-28 11:25:09,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:09,856 INFO L93 Difference]: Finished difference Result 430 states and 518 transitions. [2018-11-28 11:25:09,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:25:09,857 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-11-28 11:25:09,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:09,860 INFO L225 Difference]: With dead ends: 430 [2018-11-28 11:25:09,860 INFO L226 Difference]: Without dead ends: 290 [2018-11-28 11:25:09,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:25:09,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-11-28 11:25:09,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2018-11-28 11:25:09,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-11-28 11:25:09,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 330 transitions. [2018-11-28 11:25:09,886 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 330 transitions. Word has length 78 [2018-11-28 11:25:09,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:09,886 INFO L480 AbstractCegarLoop]: Abstraction has 284 states and 330 transitions. [2018-11-28 11:25:09,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:09,887 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 330 transitions. [2018-11-28 11:25:09,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-11-28 11:25:09,888 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:09,888 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:09,888 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:09,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:09,889 INFO L82 PathProgramCache]: Analyzing trace with hash -658075602, now seen corresponding path program 1 times [2018-11-28 11:25:09,889 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:09,889 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:09,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:09,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:09,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:09,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:25:09,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:25:09,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:25:09,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:09,977 INFO L87 Difference]: Start difference. First operand 284 states and 330 transitions. Second operand 7 states. [2018-11-28 11:25:10,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,299 INFO L93 Difference]: Finished difference Result 569 states and 681 transitions. [2018-11-28 11:25:10,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:25:10,300 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-11-28 11:25:10,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,302 INFO L225 Difference]: With dead ends: 569 [2018-11-28 11:25:10,302 INFO L226 Difference]: Without dead ends: 313 [2018-11-28 11:25:10,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:25:10,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-11-28 11:25:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2018-11-28 11:25:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-11-28 11:25:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 327 transitions. [2018-11-28 11:25:10,325 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 327 transitions. Word has length 82 [2018-11-28 11:25:10,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:10,326 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 327 transitions. [2018-11-28 11:25:10,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:25:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 327 transitions. [2018-11-28 11:25:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:25:10,327 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:10,327 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] [2018-11-28 11:25:10,327 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:10,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:10,327 INFO L82 PathProgramCache]: Analyzing trace with hash -475944275, now seen corresponding path program 1 times [2018-11-28 11:25:10,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:10,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:10,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:10,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:10,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:10,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:25:10,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:25:10,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:25:10,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:25:10,394 INFO L87 Difference]: Start difference. First operand 283 states and 327 transitions. Second operand 6 states. [2018-11-28 11:25:10,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,440 INFO L93 Difference]: Finished difference Result 548 states and 644 transitions. [2018-11-28 11:25:10,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:25:10,441 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-11-28 11:25:10,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,443 INFO L225 Difference]: With dead ends: 548 [2018-11-28 11:25:10,443 INFO L226 Difference]: Without dead ends: 293 [2018-11-28 11:25:10,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:25:10,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-11-28 11:25:10,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-11-28 11:25:10,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-11-28 11:25:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 337 transitions. [2018-11-28 11:25:10,460 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 337 transitions. Word has length 83 [2018-11-28 11:25:10,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:10,461 INFO L480 AbstractCegarLoop]: Abstraction has 293 states and 337 transitions. [2018-11-28 11:25:10,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:25:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 337 transitions. [2018-11-28 11:25:10,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:25:10,462 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:10,462 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] [2018-11-28 11:25:10,463 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:10,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:10,463 INFO L82 PathProgramCache]: Analyzing trace with hash 910259119, now seen corresponding path program 1 times [2018-11-28 11:25:10,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:10,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:10,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:10,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:10,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:10,532 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:10,533 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:25:10,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:25:10,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:25:10,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:25:10,533 INFO L87 Difference]: Start difference. First operand 293 states and 337 transitions. Second operand 8 states. [2018-11-28 11:25:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,562 INFO L93 Difference]: Finished difference Result 572 states and 676 transitions. [2018-11-28 11:25:10,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:25:10,563 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-11-28 11:25:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,564 INFO L225 Difference]: With dead ends: 572 [2018-11-28 11:25:10,564 INFO L226 Difference]: Without dead ends: 307 [2018-11-28 11:25:10,565 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:25:10,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-11-28 11:25:10,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2018-11-28 11:25:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-11-28 11:25:10,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2018-11-28 11:25:10,580 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 83 [2018-11-28 11:25:10,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:10,581 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2018-11-28 11:25:10,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:25:10,581 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2018-11-28 11:25:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:25:10,582 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:10,582 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] [2018-11-28 11:25:10,583 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:10,583 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:10,583 INFO L82 PathProgramCache]: Analyzing trace with hash -1273417808, now seen corresponding path program 1 times [2018-11-28 11:25:10,583 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:10,583 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:10,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:10,584 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:10,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:10,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:25:10,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:25:10,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:25:10,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:10,654 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand 4 states. [2018-11-28 11:25:10,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,791 INFO L93 Difference]: Finished difference Result 896 states and 1086 transitions. [2018-11-28 11:25:10,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:25:10,792 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-11-28 11:25:10,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,795 INFO L225 Difference]: With dead ends: 896 [2018-11-28 11:25:10,795 INFO L226 Difference]: Without dead ends: 623 [2018-11-28 11:25:10,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:25:10,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2018-11-28 11:25:10,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 415. [2018-11-28 11:25:10,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-11-28 11:25:10,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 472 transitions. [2018-11-28 11:25:10,825 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 472 transitions. Word has length 83 [2018-11-28 11:25:10,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:10,825 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 472 transitions. [2018-11-28 11:25:10,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:25:10,825 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 472 transitions. [2018-11-28 11:25:10,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-28 11:25:10,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:10,827 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] [2018-11-28 11:25:10,827 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:10,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:10,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1409380982, now seen corresponding path program 1 times [2018-11-28 11:25:10,827 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:10,827 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:10,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:10,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:25:10,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:25:10,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:25:10,882 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:25:10,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:25:10,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:25:10,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:10,883 INFO L87 Difference]: Start difference. First operand 415 states and 472 transitions. Second operand 3 states. [2018-11-28 11:25:10,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:25:10,921 INFO L93 Difference]: Finished difference Result 622 states and 720 transitions. [2018-11-28 11:25:10,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:25:10,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-11-28 11:25:10,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:25:10,925 INFO L225 Difference]: With dead ends: 622 [2018-11-28 11:25:10,925 INFO L226 Difference]: Without dead ends: 619 [2018-11-28 11:25:10,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:25:10,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-11-28 11:25:10,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 525. [2018-11-28 11:25:10,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-11-28 11:25:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 607 transitions. [2018-11-28 11:25:10,959 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 607 transitions. Word has length 87 [2018-11-28 11:25:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:25:10,960 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 607 transitions. [2018-11-28 11:25:10,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:25:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 607 transitions. [2018-11-28 11:25:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-28 11:25:10,962 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:25:10,962 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:25:10,962 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:25:10,963 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:25:10,963 INFO L82 PathProgramCache]: Analyzing trace with hash 824659389, now seen corresponding path program 1 times [2018-11-28 11:25:10,963 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:25:10,963 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:25:10,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,964 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:25:10,964 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:25:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:25:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:25:11,111 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 11:25:11,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:25:11 BoogieIcfgContainer [2018-11-28 11:25:11,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:25:11,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:25:11,246 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:25:11,247 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:25:11,247 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:25:08" (3/4) ... [2018-11-28 11:25:11,249 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 11:25:11,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a9c55c22-1bb8-4271-889e-ec1964bf22e5/bin-2019/uautomizer/witness.graphml [2018-11-28 11:25:11,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:25:11,378 INFO L168 Benchmark]: Toolchain (without parser) took 3868.95 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.8 MB). Free memory was 957.1 MB in the beginning and 864.5 MB in the end (delta: 92.5 MB). Peak memory consumption was 303.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,379 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:25:11,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 354.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:25:11,379 INFO L168 Benchmark]: Boogie Preprocessor took 30.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,380 INFO L168 Benchmark]: RCFGBuilder took 440.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,380 INFO L168 Benchmark]: TraceAbstraction took 2881.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 148.1 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,380 INFO L168 Benchmark]: Witness Printer took 130.95 ms. Allocated memory is still 1.2 GB. Free memory was 910.3 MB in the beginning and 864.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:25:11,382 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 354.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.2 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -152.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 440.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2881.21 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 88.6 MB). Free memory was 1.1 GB in the beginning and 910.3 MB in the end (delta: 148.1 MB). Peak memory consumption was 236.7 MB. Max. memory is 11.5 GB. * Witness Printer took 130.95 ms. Allocated memory is still 1.2 GB. Free memory was 910.3 MB in the beginning and 864.5 MB in the end (delta: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=199, \old(head)=185, \old(head)=201, \old(methAndRunningLastTime)=197, \old(methaneLevelCritical)=152, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int retValue_acc ; [L258] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L264] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L268] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L269] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L881] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L467] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L477] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L432] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L334] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L338] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L315] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L302] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. UNSAFE Result, 2.8s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1265 SDtfs, 737 SDslu, 2420 SDs, 0 SdLazy, 829 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 362 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 86830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...