./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 44f1ef45a377efa065428e9ab52d4697ba35b901 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:29:30,768 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:29:30,769 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:29:30,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:29:30,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:29:30,781 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:29:30,782 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:29:30,783 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:29:30,785 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:29:30,786 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:29:30,787 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:29:30,787 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:29:30,788 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:29:30,788 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:29:30,789 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:29:30,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:29:30,791 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:29:30,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:29:30,794 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:29:30,796 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:29:30,796 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:29:30,797 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:29:30,800 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:29:30,800 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:29:30,800 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:29:30,801 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:29:30,802 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:29:30,803 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:29:30,804 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:29:30,804 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:29:30,805 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:29:30,805 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:29:30,805 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:29:30,806 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:29:30,807 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:29:30,808 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:29:30,808 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:29:30,820 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:29:30,820 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:29:30,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:29:30,821 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:29:30,821 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:29:30,822 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:29:30,822 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:29:30,822 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:29:30,822 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:29:30,823 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:29:30,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:29:30,824 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:29:30,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:29:30,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:29:30,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:29:30,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:29:30,825 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:29:30,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:30,825 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:29:30,825 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:29:30,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:29:30,825 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:29:30,826 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:29:30,826 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:29:30,828 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-11-23 06:29:30,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:29:30,869 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:29:30,872 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:29:30,873 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:29:30,874 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:29:30,874 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-23 06:29:30,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/data/eecadb2e9/73c949aa9c8b4d14bf08c048cee07111/FLAGe4f8fc964 [2018-11-23 06:29:31,323 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:29:31,324 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-23 06:29:31,333 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/data/eecadb2e9/73c949aa9c8b4d14bf08c048cee07111/FLAGe4f8fc964 [2018-11-23 06:29:31,344 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/data/eecadb2e9/73c949aa9c8b4d14bf08c048cee07111 [2018-11-23 06:29:31,346 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:29:31,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:29:31,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:31,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:29:31,353 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:29:31,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,356 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be3cc59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31, skipping insertion in model container [2018-11-23 06:29:31,356 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,363 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:29:31,401 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:29:31,641 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:31,652 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:29:31,785 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:29:31,806 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:29:31,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31 WrapperNode [2018-11-23 06:29:31,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:29:31,808 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:31,808 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:29:31,808 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:29:31,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,826 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,832 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:29:31,833 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:29:31,833 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:29:31,833 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:29:31,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,851 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... [2018-11-23 06:29:31,860 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:29:31,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:29:31,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:29:31,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:29:31,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:29:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:29:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:29:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:29:31,902 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:29:31,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:29:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:29:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:29:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:29:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:29:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:29:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:29:31,903 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:29:31,903 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:29:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:29:31,904 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:29:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:29:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:29:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:29:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:29:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:29:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:29:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:29:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:29:31,905 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:29:31,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:29:31,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:29:31,907 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:29:31,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:29:32,347 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:29:32,347 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:29:32,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:32 BoogieIcfgContainer [2018-11-23 06:29:32,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:29:32,348 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:29:32,348 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:29:32,351 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:29:32,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:29:31" (1/3) ... [2018-11-23 06:29:32,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28312e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:32, skipping insertion in model container [2018-11-23 06:29:32,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:29:31" (2/3) ... [2018-11-23 06:29:32,352 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d28312e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:29:32, skipping insertion in model container [2018-11-23 06:29:32,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:32" (3/3) ... [2018-11-23 06:29:32,354 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-23 06:29:32,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:29:32,370 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:29:32,386 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:29:32,418 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:29:32,419 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:29:32,419 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:29:32,419 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:29:32,419 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:29:32,420 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:29:32,420 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:29:32,420 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:29:32,420 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:29:32,440 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2018-11-23 06:29:32,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 06:29:32,447 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:32,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:29:32,451 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:32,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:32,456 INFO L82 PathProgramCache]: Analyzing trace with hash -609328570, now seen corresponding path program 1 times [2018-11-23 06:29:32,458 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:32,459 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:32,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:32,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:29:32,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:29:32,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:29:32,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:29:32,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:29:32,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:29:32,699 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2018-11-23 06:29:32,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:32,730 INFO L93 Difference]: Finished difference Result 204 states and 253 transitions. [2018-11-23 06:29:32,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:29:32,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 06:29:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:32,741 INFO L225 Difference]: With dead ends: 204 [2018-11-23 06:29:32,741 INFO L226 Difference]: Without dead ends: 102 [2018-11-23 06:29:32,745 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 [2018-11-23 06:29:32,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-23 06:29:32,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-23 06:29:32,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-23 06:29:32,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-23 06:29:32,786 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 46 [2018-11-23 06:29:32,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:32,786 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-23 06:29:32,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:29:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-23 06:29:32,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 06:29:32,788 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:32,788 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] [2018-11-23 06:29:32,789 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:32,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:32,790 INFO L82 PathProgramCache]: Analyzing trace with hash 433351837, now seen corresponding path program 1 times [2018-11-23 06:29:32,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:32,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:32,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:32,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:32,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:29:32,876 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:29:32,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:29:32,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:29:32,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:29:32,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:29:32,878 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 3 states. [2018-11-23 06:29:32,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:32,900 INFO L93 Difference]: Finished difference Result 153 states and 175 transitions. [2018-11-23 06:29:32,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:29:32,901 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 06:29:32,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:32,903 INFO L225 Difference]: With dead ends: 153 [2018-11-23 06:29:32,903 INFO L226 Difference]: Without dead ends: 93 [2018-11-23 06:29:32,904 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 [2018-11-23 06:29:32,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-23 06:29:32,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-23 06:29:32,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-23 06:29:32,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 106 transitions. [2018-11-23 06:29:32,916 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 106 transitions. Word has length 47 [2018-11-23 06:29:32,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:32,916 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 106 transitions. [2018-11-23 06:29:32,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:29:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 106 transitions. [2018-11-23 06:29:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-23 06:29:32,918 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:32,919 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] [2018-11-23 06:29:32,919 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:32,919 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:32,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1254042637, now seen corresponding path program 1 times [2018-11-23 06:29:32,919 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:32,920 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:32,920 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:32,921 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:32,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:33,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:29:33,032 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:29:33,032 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:29:33,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:29:33,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:29:33,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:29:33,034 INFO L87 Difference]: Start difference. First operand 93 states and 106 transitions. Second operand 7 states. [2018-11-23 06:29:33,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:33,252 INFO L93 Difference]: Finished difference Result 162 states and 189 transitions. [2018-11-23 06:29:33,253 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:29:33,253 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-23 06:29:33,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:33,254 INFO L225 Difference]: With dead ends: 162 [2018-11-23 06:29:33,255 INFO L226 Difference]: Without dead ends: 93 [2018-11-23 06:29:33,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:29:33,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-11-23 06:29:33,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-11-23 06:29:33,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-11-23 06:29:33,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 105 transitions. [2018-11-23 06:29:33,266 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 105 transitions. Word has length 51 [2018-11-23 06:29:33,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:33,267 INFO L480 AbstractCegarLoop]: Abstraction has 93 states and 105 transitions. [2018-11-23 06:29:33,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:29:33,267 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 105 transitions. [2018-11-23 06:29:33,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 06:29:33,268 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:33,268 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] [2018-11-23 06:29:33,269 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:33,269 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:33,269 INFO L82 PathProgramCache]: Analyzing trace with hash -1746607211, now seen corresponding path program 1 times [2018-11-23 06:29:33,269 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:33,269 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:33,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,270 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:33,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:29:33,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:29:33,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 06:29:33,405 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:29:33,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:29:33,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:29:33,406 INFO L87 Difference]: Start difference. First operand 93 states and 105 transitions. Second operand 10 states. [2018-11-23 06:29:33,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:33,732 INFO L93 Difference]: Finished difference Result 280 states and 341 transitions. [2018-11-23 06:29:33,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:29:33,733 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-11-23 06:29:33,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:33,737 INFO L225 Difference]: With dead ends: 280 [2018-11-23 06:29:33,737 INFO L226 Difference]: Without dead ends: 211 [2018-11-23 06:29:33,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:29:33,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-11-23 06:29:33,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2018-11-23 06:29:33,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-11-23 06:29:33,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 243 transitions. [2018-11-23 06:29:33,768 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 243 transitions. Word has length 59 [2018-11-23 06:29:33,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:33,768 INFO L480 AbstractCegarLoop]: Abstraction has 207 states and 243 transitions. [2018-11-23 06:29:33,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:29:33,768 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 243 transitions. [2018-11-23 06:29:33,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-23 06:29:33,771 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:33,771 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] [2018-11-23 06:29:33,772 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:33,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:33,772 INFO L82 PathProgramCache]: Analyzing trace with hash -150771391, now seen corresponding path program 1 times [2018-11-23 06:29:33,772 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:33,772 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:33,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,773 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:33,773 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:29:33,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:29:33,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:29:33,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:29:33,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:29:33,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:29:33,853 INFO L87 Difference]: Start difference. First operand 207 states and 243 transitions. Second operand 3 states. [2018-11-23 06:29:33,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:33,872 INFO L93 Difference]: Finished difference Result 332 states and 400 transitions. [2018-11-23 06:29:33,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:29:33,873 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 67 [2018-11-23 06:29:33,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:33,875 INFO L225 Difference]: With dead ends: 332 [2018-11-23 06:29:33,875 INFO L226 Difference]: Without dead ends: 149 [2018-11-23 06:29:33,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:29:33,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-23 06:29:33,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-23 06:29:33,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-23 06:29:33,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-23 06:29:33,892 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 67 [2018-11-23 06:29:33,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:33,892 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-23 06:29:33,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:29:33,892 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-23 06:29:33,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 06:29:33,894 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:29:33,895 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:29:33,895 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:29:33,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:29:33,895 INFO L82 PathProgramCache]: Analyzing trace with hash 79572834, now seen corresponding path program 1 times [2018-11-23 06:29:33,895 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:29:33,896 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:29:33,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:33,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:29:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:34,036 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 06:29:34,036 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:29:34,036 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:29:34,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:29:34,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:29:34,192 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:29:34,296 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 06:29:34,330 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:29:34,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-23 06:29:34,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 06:29:34,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 06:29:34,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-23 06:29:34,331 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 12 states. [2018-11-23 06:29:34,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:29:34,832 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2018-11-23 06:29:34,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:29:34,833 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-23 06:29:34,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:29:34,834 INFO L225 Difference]: With dead ends: 191 [2018-11-23 06:29:34,834 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:29:34,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:29:34,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:29:34,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:29:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:29:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:29:34,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-11-23 06:29:34,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:29:34,836 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:29:34,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 06:29:34,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:29:34,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:29:34,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:29:35,721 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2018-11-23 06:29:35,721 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2018-11-23 06:29:35,721 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2018-11-23 06:29:35,722 INFO L444 ceAbstractionStarter]: At program point L673(line 673) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,722 INFO L448 ceAbstractionStarter]: For program point L673-1(line 673) no Hoare annotation was computed. [2018-11-23 06:29:35,722 INFO L448 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2018-11-23 06:29:35,722 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2018-11-23 06:29:35,722 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 667 691) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,722 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,722 INFO L448 ceAbstractionStarter]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2018-11-23 06:29:35,723 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,723 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,723 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2018-11-23 06:29:35,723 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2018-11-23 06:29:35,723 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2018-11-23 06:29:35,723 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2018-11-23 06:29:35,725 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2018-11-23 06:29:35,725 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2018-11-23 06:29:35,725 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-23 06:29:35,726 INFO L444 ceAbstractionStarter]: At program point L828-2(lines 822 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2018-11-23 06:29:35,726 INFO L444 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2018-11-23 06:29:35,726 INFO L448 ceAbstractionStarter]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2018-11-23 06:29:35,727 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,727 INFO L444 ceAbstractionStarter]: At program point L835(lines 792 837) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,727 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2018-11-23 06:29:35,727 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2018-11-23 06:29:35,727 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-11-23 06:29:35,727 INFO L444 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,727 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2018-11-23 06:29:35,727 INFO L444 ceAbstractionStarter]: At program point L512(line 512) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,727 INFO L448 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L451 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L444 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2018-11-23 06:29:35,728 INFO L444 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,728 INFO L444 ceAbstractionStarter]: At program point L618-1(line 618) the Hoare annotation is: (or (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= main_~tmp~4 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,729 INFO L444 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,729 INFO L444 ceAbstractionStarter]: At program point L612-1(line 612) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:29:35,729 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L444 ceAbstractionStarter]: At program point L641(line 641) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point L639(lines 638 657) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 635 658) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:29:35,730 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2018-11-23 06:29:35,730 INFO L444 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:29:35,731 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2018-11-23 06:29:35,731 INFO L444 ceAbstractionStarter]: At program point L646(lines 646 652) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:29:35,731 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2018-11-23 06:29:35,731 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2018-11-23 06:29:35,731 INFO L451 ceAbstractionStarter]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2018-11-23 06:29:35,731 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 06:29:35,731 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2018-11-23 06:29:35,731 INFO L451 ceAbstractionStarter]: At program point L540-2(lines 540 554) the Hoare annotation is: true [2018-11-23 06:29:35,731 INFO L451 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2018-11-23 06:29:35,731 INFO L448 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2018-11-23 06:29:35,732 INFO L451 ceAbstractionStarter]: At program point L555(lines 530 559) the Hoare annotation is: true [2018-11-23 06:29:35,732 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-23 06:29:35,732 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-23 06:29:35,732 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-23 06:29:35,732 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-23 06:29:35,732 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-23 06:29:35,732 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-23 06:29:35,732 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-23 06:29:35,733 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2018-11-23 06:29:35,733 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2018-11-23 06:29:35,733 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2018-11-23 06:29:35,733 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2018-11-23 06:29:35,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:29:35,733 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-23 06:29:35,733 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:29:35,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:29:35,734 INFO L448 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-23 06:29:35,734 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-23 06:29:35,734 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:29:35,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2018-11-23 06:29:35,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-11-23 06:29:35,734 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2018-11-23 06:29:35,734 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2018-11-23 06:29:35,735 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:29:35,735 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2018-11-23 06:29:35,735 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2018-11-23 06:29:35,735 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2018-11-23 06:29:35,735 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2018-11-23 06:29:35,735 INFO L451 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2018-11-23 06:29:35,735 INFO L448 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2018-11-23 06:29:35,735 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2018-11-23 06:29:35,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:29:35 BoogieIcfgContainer [2018-11-23 06:29:35,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:29:35,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:29:35,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:29:35,747 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:29:35,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:29:32" (3/4) ... [2018-11-23 06:29:35,750 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:29:35,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:29:35,757 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:29:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:29:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:29:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:29:35,758 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 06:29:35,764 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 06:29:35,764 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:29:35,764 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:29:35,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:29:35,765 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:29:35,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:29:35,766 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:29:35,789 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:29:35,790 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 06:29:35,822 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55f09206-7886-4b43-932a-141077fb2678/bin-2019/uautomizer/witness.graphml [2018-11-23 06:29:35,823 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:29:35,823 INFO L168 Benchmark]: Toolchain (without parser) took 4476.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 180.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -145.6 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,825 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:29:35,825 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,825 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,825 INFO L168 Benchmark]: Boogie Preprocessor took 27.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,826 INFO L168 Benchmark]: RCFGBuilder took 487.19 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,826 INFO L168 Benchmark]: TraceAbstraction took 3398.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,826 INFO L168 Benchmark]: Witness Printer took 75.89 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. [2018-11-23 06:29:35,828 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -173.0 MB). Peak memory consumption was 31.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 487.19 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: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3398.26 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 42.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -33.2 MB). Peak memory consumption was 209.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.89 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 115 locations, 1 error locations. SAFE Result, 3.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 622 SDtfs, 470 SDslu, 1261 SDs, 0 SdLazy, 751 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=207occurred in iteration=4, 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: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 279 PreInvPairs, 292 NumberOfFragments, 694 HoareAnnotationTreeSize, 279 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1053 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 466 NumberOfCodeBlocks, 466 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 66965 SizeOfPredicates, 3 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 56/62 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...