./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 903a1f53bc072e1ab483040d7a35aae5e2bdf412 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-91b1670 [2018-11-28 18:42:32,867 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 18:42:32,870 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 18:42:32,891 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 18:42:32,892 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 18:42:32,894 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 18:42:32,896 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 18:42:32,899 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 18:42:32,903 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 18:42:32,906 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 18:42:32,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 18:42:32,910 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 18:42:32,911 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 18:42:32,914 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 18:42:32,921 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 18:42:32,923 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 18:42:32,926 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 18:42:32,930 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 18:42:32,935 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 18:42:32,937 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 18:42:32,938 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 18:42:32,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 18:42:32,944 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 18:42:32,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 18:42:32,945 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 18:42:32,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 18:42:32,947 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 18:42:32,950 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 18:42:32,951 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 18:42:32,953 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 18:42:32,954 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 18:42:32,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 18:42:32,957 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 18:42:32,957 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 18:42:32,958 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 18:42:32,960 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 18:42:32,961 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 18:42:32,988 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 18:42:32,988 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 18:42:32,989 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 18:42:32,990 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 18:42:32,990 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 18:42:32,990 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 18:42:32,990 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 18:42:32,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 18:42:32,993 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 18:42:32,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 18:42:32,993 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 18:42:32,994 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 18:42:32,994 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 18:42:32,994 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 18:42:32,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 18:42:32,995 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 18:42:32,995 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 18:42:32,995 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 18:42:32,995 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 18:42:32,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 18:42:32,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 18:42:32,996 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 18:42:32,998 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 18:42:32,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 18:42:32,998 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 18:42:32,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 18:42:32,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 18:42:32,999 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 18:42:33,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 18:42:33,000 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 18:42:33,000 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> 903a1f53bc072e1ab483040d7a35aae5e2bdf412 [2018-11-28 18:42:33,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 18:42:33,067 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 18:42:33,071 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 18:42:33,072 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 18:42:33,072 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 18:42:33,073 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:33,134 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812b1fcb/1c0c7b9dd6514b55bfa8fc86bb12a463/FLAG13135ecdc [2018-11-28 18:42:33,699 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 18:42:33,700 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/product-lines/minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:33,716 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812b1fcb/1c0c7b9dd6514b55bfa8fc86bb12a463/FLAG13135ecdc [2018-11-28 18:42:33,965 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7812b1fcb/1c0c7b9dd6514b55bfa8fc86bb12a463 [2018-11-28 18:42:33,968 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 18:42:33,969 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 18:42:33,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:33,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 18:42:33,975 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 18:42:33,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:33" (1/1) ... [2018-11-28 18:42:33,979 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77592e83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:33, skipping insertion in model container [2018-11-28 18:42:33,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 06:42:33" (1/1) ... [2018-11-28 18:42:33,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 18:42:34,049 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 18:42:34,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:34,459 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 18:42:34,603 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 18:42:34,737 INFO L195 MainTranslator]: Completed translation [2018-11-28 18:42:34,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34 WrapperNode [2018-11-28 18:42:34,737 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 18:42:34,738 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:34,738 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 18:42:34,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 18:42:34,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 18:42:34,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 18:42:34,793 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 18:42:34,793 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 18:42:34,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,808 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,809 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,824 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... [2018-11-28 18:42:34,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 18:42:34,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 18:42:34,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 18:42:34,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 18:42:34,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 18:42:34,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 18:42:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 18:42:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 18:42:34,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 18:42:34,908 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 18:42:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 18:42:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 18:42:34,909 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 18:42:34,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 18:42:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 18:42:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 18:42:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 18:42:34,910 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 18:42:34,910 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 18:42:34,911 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 18:42:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 18:42:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 18:42:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 18:42:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 18:42:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 18:42:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 18:42:34,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 18:42:34,912 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 18:42:34,913 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 18:42:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 18:42:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 18:42:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 18:42:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 18:42:34,914 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 18:42:34,914 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 18:42:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:42:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 18:42:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 18:42:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 18:42:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 18:42:34,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 18:42:34,915 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 18:42:34,917 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 18:42:34,917 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 18:42:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 18:42:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 18:42:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 18:42:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 18:42:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 18:42:34,918 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 18:42:34,918 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 18:42:34,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 18:42:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 18:42:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 18:42:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 18:42:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 18:42:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 18:42:34,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 18:42:34,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 18:42:34,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 18:42:36,147 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 18:42:36,148 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 18:42:36,148 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36 BoogieIcfgContainer [2018-11-28 18:42:36,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 18:42:36,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 18:42:36,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 18:42:36,154 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 18:42:36,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 06:42:33" (1/3) ... [2018-11-28 18:42:36,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7ebd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:36, skipping insertion in model container [2018-11-28 18:42:36,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 06:42:34" (2/3) ... [2018-11-28 18:42:36,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7ebd6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 06:42:36, skipping insertion in model container [2018-11-28 18:42:36,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36" (3/3) ... [2018-11-28 18:42:36,158 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product37_false-unreach-call_false-termination.cil.c [2018-11-28 18:42:36,168 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 18:42:36,177 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 18:42:36,196 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 18:42:36,227 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 18:42:36,228 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 18:42:36,228 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 18:42:36,229 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 18:42:36,229 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 18:42:36,229 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 18:42:36,229 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 18:42:36,229 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 18:42:36,229 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 18:42:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-11-28 18:42:36,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 18:42:36,266 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:36,267 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:36,271 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:36,277 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:36,278 INFO L82 PathProgramCache]: Analyzing trace with hash 1637265317, now seen corresponding path program 1 times [2018-11-28 18:42:36,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:36,281 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:36,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:36,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:36,643 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 18:42:36,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:36,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 18:42:36,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 18:42:36,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 18:42:36,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 18:42:36,672 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-11-28 18:42:36,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:36,738 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-11-28 18:42:36,739 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 18:42:36,740 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 18:42:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:36,759 INFO L225 Difference]: With dead ends: 252 [2018-11-28 18:42:36,760 INFO L226 Difference]: Without dead ends: 126 [2018-11-28 18:42:36,767 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 18:42:36,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-11-28 18:42:36,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-11-28 18:42:36,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-11-28 18:42:36,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-11-28 18:42:36,862 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-11-28 18:42:36,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:36,863 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-11-28 18:42:36,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 18:42:36,865 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-11-28 18:42:36,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 18:42:36,870 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:36,870 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 18:42:36,870 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:36,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:36,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1526343538, now seen corresponding path program 1 times [2018-11-28 18:42:36,871 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:36,871 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:36,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:36,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:37,078 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 18:42:37,079 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:37,079 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 18:42:37,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 18:42:37,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 18:42:37,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 18:42:37,083 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-11-28 18:42:37,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:37,131 INFO L93 Difference]: Finished difference Result 201 states and 233 transitions. [2018-11-28 18:42:37,131 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 18:42:37,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 18:42:37,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:37,134 INFO L225 Difference]: With dead ends: 201 [2018-11-28 18:42:37,134 INFO L226 Difference]: Without dead ends: 117 [2018-11-28 18:42:37,136 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 18:42:37,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-28 18:42:37,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-28 18:42:37,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-28 18:42:37,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-11-28 18:42:37,153 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-11-28 18:42:37,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:37,154 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-11-28 18:42:37,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 18:42:37,154 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-11-28 18:42:37,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 18:42:37,157 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:37,157 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 18:42:37,157 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:37,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:37,157 INFO L82 PathProgramCache]: Analyzing trace with hash 1560682151, now seen corresponding path program 1 times [2018-11-28 18:42:37,158 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:37,158 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:37,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:37,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:37,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:37,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:37,375 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 18:42:37,375 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:37,376 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 18:42:37,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 18:42:37,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 18:42:37,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 18:42:37,377 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-11-28 18:42:38,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:38,615 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-11-28 18:42:38,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 18:42:38,616 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 18:42:38,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:38,619 INFO L225 Difference]: With dead ends: 210 [2018-11-28 18:42:38,619 INFO L226 Difference]: Without dead ends: 117 [2018-11-28 18:42:38,624 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:38,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-11-28 18:42:38,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-11-28 18:42:38,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-11-28 18:42:38,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-11-28 18:42:38,647 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 51 [2018-11-28 18:42:38,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:38,647 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-11-28 18:42:38,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 18:42:38,648 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-11-28 18:42:38,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-28 18:42:38,652 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:38,652 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 18:42:38,652 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:38,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:38,653 INFO L82 PathProgramCache]: Analyzing trace with hash 153041462, now seen corresponding path program 1 times [2018-11-28 18:42:38,654 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:38,654 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:38,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:38,656 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:39,017 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 18:42:39,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:39,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 18:42:39,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 18:42:39,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 18:42:39,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 18:42:39,020 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 5 states. [2018-11-28 18:42:40,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:40,086 INFO L93 Difference]: Finished difference Result 304 states and 365 transitions. [2018-11-28 18:42:40,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 18:42:40,087 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-11-28 18:42:40,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:40,096 INFO L225 Difference]: With dead ends: 304 [2018-11-28 18:42:40,096 INFO L226 Difference]: Without dead ends: 211 [2018-11-28 18:42:40,098 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 18:42:40,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-28 18:42:40,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 193. [2018-11-28 18:42:40,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-28 18:42:40,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 219 transitions. [2018-11-28 18:42:40,152 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 219 transitions. Word has length 64 [2018-11-28 18:42:40,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:40,153 INFO L480 AbstractCegarLoop]: Abstraction has 193 states and 219 transitions. [2018-11-28 18:42:40,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 18:42:40,153 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 219 transitions. [2018-11-28 18:42:40,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-28 18:42:40,155 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:40,155 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 18:42:40,156 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:40,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:40,156 INFO L82 PathProgramCache]: Analyzing trace with hash -2097946015, now seen corresponding path program 1 times [2018-11-28 18:42:40,156 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:40,156 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:40,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:40,158 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:40,158 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:40,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:40,376 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 18:42:40,377 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:40,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 18:42:40,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 18:42:40,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 18:42:40,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 18:42:40,378 INFO L87 Difference]: Start difference. First operand 193 states and 219 transitions. Second operand 10 states. [2018-11-28 18:42:41,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:41,431 INFO L93 Difference]: Finished difference Result 612 states and 763 transitions. [2018-11-28 18:42:41,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 18:42:41,435 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2018-11-28 18:42:41,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:41,441 INFO L225 Difference]: With dead ends: 612 [2018-11-28 18:42:41,441 INFO L226 Difference]: Without dead ends: 443 [2018-11-28 18:42:41,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:42:41,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2018-11-28 18:42:41,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 433. [2018-11-28 18:42:41,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 433 states. [2018-11-28 18:42:41,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 511 transitions. [2018-11-28 18:42:41,524 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 511 transitions. Word has length 78 [2018-11-28 18:42:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:41,524 INFO L480 AbstractCegarLoop]: Abstraction has 433 states and 511 transitions. [2018-11-28 18:42:41,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 18:42:41,525 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 511 transitions. [2018-11-28 18:42:41,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-28 18:42:41,530 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:41,530 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:41,530 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:41,531 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:41,531 INFO L82 PathProgramCache]: Analyzing trace with hash -65818166, now seen corresponding path program 1 times [2018-11-28 18:42:41,531 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:41,531 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:41,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:41,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:41,532 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:42:41,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:41,915 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:41,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:42,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:42,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:42,422 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-28 18:42:42,451 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 18:42:42,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 10] total 14 [2018-11-28 18:42:42,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 18:42:42,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 18:42:42,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2018-11-28 18:42:42,453 INFO L87 Difference]: Start difference. First operand 433 states and 511 transitions. Second operand 14 states. [2018-11-28 18:42:45,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:45,999 INFO L93 Difference]: Finished difference Result 1236 states and 1808 transitions. [2018-11-28 18:42:46,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-28 18:42:46,000 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 130 [2018-11-28 18:42:46,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:46,010 INFO L225 Difference]: With dead ends: 1236 [2018-11-28 18:42:46,010 INFO L226 Difference]: Without dead ends: 827 [2018-11-28 18:42:46,014 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 271 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=243, Invalid=1089, Unknown=0, NotChecked=0, Total=1332 [2018-11-28 18:42:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 827 states. [2018-11-28 18:42:46,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 827 to 569. [2018-11-28 18:42:46,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2018-11-28 18:42:46,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 680 transitions. [2018-11-28 18:42:46,120 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 680 transitions. Word has length 130 [2018-11-28 18:42:46,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:46,121 INFO L480 AbstractCegarLoop]: Abstraction has 569 states and 680 transitions. [2018-11-28 18:42:46,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 18:42:46,121 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 680 transitions. [2018-11-28 18:42:46,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-28 18:42:46,124 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:46,125 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:46,125 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:46,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:46,126 INFO L82 PathProgramCache]: Analyzing trace with hash -2032681786, now seen corresponding path program 1 times [2018-11-28 18:42:46,126 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:46,126 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:46,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:46,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:46,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:46,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:46,321 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 18:42:46,321 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 18:42:46,321 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 18:42:46,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:46,453 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 18:42:46,607 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-28 18:42:46,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 18:42:46,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 18:42:46,635 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 18:42:46,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 18:42:46,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:42:46,638 INFO L87 Difference]: Start difference. First operand 569 states and 680 transitions. Second operand 11 states. [2018-11-28 18:42:46,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:46,797 INFO L93 Difference]: Finished difference Result 1014 states and 1244 transitions. [2018-11-28 18:42:46,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:46,804 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 126 [2018-11-28 18:42:46,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:46,808 INFO L225 Difference]: With dead ends: 1014 [2018-11-28 18:42:46,808 INFO L226 Difference]: Without dead ends: 469 [2018-11-28 18:42:46,810 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 18:42:46,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2018-11-28 18:42:46,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 469. [2018-11-28 18:42:46,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 469 states. [2018-11-28 18:42:46,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 560 transitions. [2018-11-28 18:42:46,849 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 560 transitions. Word has length 126 [2018-11-28 18:42:46,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:46,849 INFO L480 AbstractCegarLoop]: Abstraction has 469 states and 560 transitions. [2018-11-28 18:42:46,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 18:42:46,849 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 560 transitions. [2018-11-28 18:42:46,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-28 18:42:46,853 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:46,853 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:46,853 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:46,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:46,854 INFO L82 PathProgramCache]: Analyzing trace with hash 1221485474, now seen corresponding path program 1 times [2018-11-28 18:42:46,854 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:46,854 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:46,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:46,855 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:46,855 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:47,002 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-28 18:42:47,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:47,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 18:42:47,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 18:42:47,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 18:42:47,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:47,004 INFO L87 Difference]: Start difference. First operand 469 states and 560 transitions. Second operand 9 states. [2018-11-28 18:42:49,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:49,464 INFO L93 Difference]: Finished difference Result 1257 states and 1536 transitions. [2018-11-28 18:42:49,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-28 18:42:49,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 181 [2018-11-28 18:42:49,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:49,479 INFO L225 Difference]: With dead ends: 1257 [2018-11-28 18:42:49,480 INFO L226 Difference]: Without dead ends: 812 [2018-11-28 18:42:49,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-28 18:42:49,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2018-11-28 18:42:49,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 809. [2018-11-28 18:42:49,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2018-11-28 18:42:49,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 956 transitions. [2018-11-28 18:42:49,546 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 956 transitions. Word has length 181 [2018-11-28 18:42:49,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:49,547 INFO L480 AbstractCegarLoop]: Abstraction has 809 states and 956 transitions. [2018-11-28 18:42:49,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 18:42:49,547 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 956 transitions. [2018-11-28 18:42:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-28 18:42:49,553 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:49,553 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:49,553 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:49,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:49,554 INFO L82 PathProgramCache]: Analyzing trace with hash -529808378, now seen corresponding path program 1 times [2018-11-28 18:42:49,554 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:49,554 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:49,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:49,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 18:42:49,958 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-11-28 18:42:49,959 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 18:42:49,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 18:42:49,960 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 18:42:49,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 18:42:49,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 18:42:49,960 INFO L87 Difference]: Start difference. First operand 809 states and 956 transitions. Second operand 6 states. [2018-11-28 18:42:50,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 18:42:50,946 INFO L93 Difference]: Finished difference Result 818 states and 967 transitions. [2018-11-28 18:42:50,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 18:42:50,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 185 [2018-11-28 18:42:50,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 18:42:50,956 INFO L225 Difference]: With dead ends: 818 [2018-11-28 18:42:50,956 INFO L226 Difference]: Without dead ends: 815 [2018-11-28 18:42:50,957 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 18:42:50,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-28 18:42:51,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 809. [2018-11-28 18:42:51,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2018-11-28 18:42:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 954 transitions. [2018-11-28 18:42:51,017 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 954 transitions. Word has length 185 [2018-11-28 18:42:51,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 18:42:51,018 INFO L480 AbstractCegarLoop]: Abstraction has 809 states and 954 transitions. [2018-11-28 18:42:51,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 18:42:51,018 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 954 transitions. [2018-11-28 18:42:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-28 18:42:51,025 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 18:42:51,026 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:51,026 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 18:42:51,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 18:42:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash 673321303, now seen corresponding path program 1 times [2018-11-28 18:42:51,028 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 18:42:51,028 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 18:42:51,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:51,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 18:42:51,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 18:42:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:51,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 18:42:51,347 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 18:42:51,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 06:42:51 BoogieIcfgContainer [2018-11-28 18:42:51,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 18:42:51,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 18:42:51,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 18:42:51,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 18:42:51,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 06:42:36" (3/4) ... [2018-11-28 18:42:51,693 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 18:42:51,956 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 18:42:51,956 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 18:42:51,957 INFO L168 Benchmark]: Toolchain (without parser) took 17989.04 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 304.6 MB). Free memory was 948.7 MB in the beginning and 1.2 GB in the end (delta: -268.2 MB). Peak memory consumption was 36.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:51,959 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 18:42:51,960 INFO L168 Benchmark]: CACSL2BoogieTranslator took 766.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:51,960 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.25 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 18:42:51,960 INFO L168 Benchmark]: Boogie Preprocessor took 56.73 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 18:42:51,962 INFO L168 Benchmark]: RCFGBuilder took 1298.92 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:51,962 INFO L168 Benchmark]: TraceAbstraction took 15536.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.7 MB). Peak memory consumption was 443.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:51,963 INFO L168 Benchmark]: Witness Printer took 270.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-11-28 18:42:51,966 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 766.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 948.7 MB in the beginning and 1.1 GB in the end (delta: -161.6 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.25 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 56.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1298.92 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: 45.8 MB). Peak memory consumption was 45.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15536.55 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.9 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -218.7 MB). Peak memory consumption was 443.4 MB. Max. memory is 11.5 GB. * Witness Printer took 270.21 ms. Allocated memory is still 1.3 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 434]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L155] int pumpRunning = 0; [L156] int systemActive = 1; [L334] int cleanupTimeShifts = 4; [L440] int waterLevel = 1; [L441] int methaneLevelCritical = 0; [L703] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L407] int retValue_acc ; [L408] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L412] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L413] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L414] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L414] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L414] tmp = valid_product() [L416] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L418] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L419] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L401] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L83] int splverifierCounter ; [L84] int tmp ; [L85] int tmp___0 ; [L86] int tmp___1 ; [L87] int tmp___2 ; [L90] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L104] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L458] COND TRUE waterLevel < 2 [L459] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L104] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L163] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L221] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L195] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int retValue_acc ; [L316] int tmp ; [L317] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L520] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L523] COND FALSE !(waterLevel < 2) [L527] retValue_acc = 0 [L528] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L321] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L321] tmp = isHighWaterSensorDry() [L323] COND FALSE !(\read(tmp)) [L326] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L328] retValue_acc = tmp___0 [L329] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L197] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L197] tmp = isHighWaterLevel() [L199] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L201] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L246] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L201] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L236] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=2, systemActive=1, waterLevel=2] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L906] tmp = getWaterLevel() [L908] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L178] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L135] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L92] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L94] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L100] tmp = __VERIFIER_nondet_int() [L102] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L110] tmp___0 = __VERIFIER_nondet_int() [L112] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L120] tmp___2 = __VERIFIER_nondet_int() [L122] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L135] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L163] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L165] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L446] COND TRUE waterLevel > 0 [L447] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L165] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L170] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L172] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L221] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L479] int retValue_acc ; [L482] retValue_acc = methaneLevelCritical [L483] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L263] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L263] retValue_acc = isMethaneLevelCritical() [L265] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L223] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L223] tmp = isMethaneAlarm() [L225] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L231] CALL processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L192] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L195] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L210] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L231] RET processEnvironment__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L172] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L178] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L901] int tmp ; [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L511] int retValue_acc ; [L514] retValue_acc = waterLevel [L515] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L906] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L906] tmp = getWaterLevel() [L908] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L270] int retValue_acc ; [L273] retValue_acc = pumpRunning [L274] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L910] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L910] tmp___0 = isPumpRunning() [L912] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L914] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L434] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 15.4s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 10.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1404 SDtfs, 1117 SDslu, 4557 SDs, 0 SdLazy, 3249 SolverSat, 445 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 388 GetRequests, 287 SyntacticMatches, 1 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 367 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=809occurred in iteration=8, 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: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 295 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1349 NumberOfCodeBlocks, 1349 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1153 ConstructedInterpolants, 0 QuantifiedInterpolants, 215957 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1592 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 278/286 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...