./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/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 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:23:46,799 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:23:46,801 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:23:46,809 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:23:46,809 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:23:46,810 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:23:46,811 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:23:46,812 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:23:46,813 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:23:46,814 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:23:46,815 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:23:46,815 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:23:46,816 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:23:46,817 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:23:46,817 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:23:46,818 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:23:46,818 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:23:46,820 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:23:46,821 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:23:46,822 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:23:46,823 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:23:46,824 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:23:46,826 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:23:46,826 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:23:46,826 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:23:46,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:23:46,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:23:46,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:23:46,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:23:46,830 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:23:46,830 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:23:46,831 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:23:46,831 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:23:46,831 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:23:46,832 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:23:46,833 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:23:46,833 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:23:46,842 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:23:46,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:23:46,844 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:23:46,844 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:23:46,844 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:23:46,844 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:23:46,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:23:46,845 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:23:46,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:23:46,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:23:46,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:23:46,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:23:46,847 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_bb3662d8-c07d-41ce-8883-ed9962847de0/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 -> 378658c69b6f2d1e1a968cdc968a143bcf4b9c50 [2018-11-28 12:23:46,873 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:23:46,882 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:23:46,884 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:23:46,886 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:23:46,886 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:23:46,887 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-28 12:23:46,932 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/data/cd7db9b4c/330e5eac53394593b0fe55f4ff5711d3/FLAGa45469de4 [2018-11-28 12:23:47,306 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:23:47,307 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/sv-benchmarks/c/product-lines/minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-28 12:23:47,316 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/data/cd7db9b4c/330e5eac53394593b0fe55f4ff5711d3/FLAGa45469de4 [2018-11-28 12:23:47,327 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/data/cd7db9b4c/330e5eac53394593b0fe55f4ff5711d3 [2018-11-28 12:23:47,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:23:47,330 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:23:47,330 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:23:47,330 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:23:47,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:23:47,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af6d2e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47, skipping insertion in model container [2018-11-28 12:23:47,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:23:47,367 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:23:47,557 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:23:47,615 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:23:47,674 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:23:47,695 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:23:47,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47 WrapperNode [2018-11-28 12:23:47,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:23:47,697 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:23:47,697 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:23:47,697 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:23:47,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,717 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,724 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:23:47,725 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:23:47,725 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:23:47,725 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:23:47,733 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,736 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,736 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... [2018-11-28 12:23:47,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:23:47,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:23:47,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:23:47,756 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:23:47,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:23:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:23:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:23:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:23:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:23:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:23:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:23:47,808 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:23:47,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:23:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:23:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:23:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:23:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:23:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:23:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:23:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:23:47,809 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:23:47,809 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:23:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:23:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:23:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:23:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:23:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:23:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:23:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:23:47,810 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:23:47,810 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:23:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:23:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:23:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:23:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:23:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:23:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:23:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:23:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:23:47,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:23:47,811 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:23:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:23:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:23:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:23:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:23:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:23:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:23:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:23:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:23:47,812 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:23:47,812 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:23:47,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:23:47,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:23:48,233 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:23:48,233 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:23:48,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:48 BoogieIcfgContainer [2018-11-28 12:23:48,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:23:48,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:23:48,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:23:48,237 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:23:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:23:47" (1/3) ... [2018-11-28 12:23:48,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be83dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:48, skipping insertion in model container [2018-11-28 12:23:48,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:23:47" (2/3) ... [2018-11-28 12:23:48,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7be83dc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:23:48, skipping insertion in model container [2018-11-28 12:23:48,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:48" (3/3) ... [2018-11-28 12:23:48,241 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product17_true-unreach-call_false-termination.cil.c [2018-11-28 12:23:48,247 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:23:48,253 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:23:48,263 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:23:48,284 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:23:48,285 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:23:48,285 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:23:48,285 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:23:48,285 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:23:48,285 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:23:48,285 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:23:48,285 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:23:48,285 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:23:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-28 12:23:48,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 12:23:48,308 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:48,309 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 12:23:48,311 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:48,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:48,315 INFO L82 PathProgramCache]: Analyzing trace with hash -908303214, now seen corresponding path program 1 times [2018-11-28 12:23:48,316 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:48,317 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:48,347 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:48,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:48,502 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 12:23:48,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:23:48,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:23:48,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:23:48,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:23:48,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:23:48,517 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-28 12:23:48,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:48,544 INFO L93 Difference]: Finished difference Result 208 states and 259 transitions. [2018-11-28 12:23:48,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:23:48,545 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 12:23:48,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:48,552 INFO L225 Difference]: With dead ends: 208 [2018-11-28 12:23:48,553 INFO L226 Difference]: Without dead ends: 104 [2018-11-28 12:23:48,556 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 12:23:48,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-28 12:23:48,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-28 12:23:48,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-28 12:23:48,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 121 transitions. [2018-11-28 12:23:48,588 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 121 transitions. Word has length 46 [2018-11-28 12:23:48,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:48,589 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 121 transitions. [2018-11-28 12:23:48,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:23:48,589 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 121 transitions. [2018-11-28 12:23:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 12:23:48,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:48,591 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 12:23:48,591 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:48,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:48,592 INFO L82 PathProgramCache]: Analyzing trace with hash 2097366926, now seen corresponding path program 1 times [2018-11-28 12:23:48,592 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:48,592 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:48,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:48,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:48,681 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 12:23:48,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:23:48,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:23:48,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:23:48,683 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:23:48,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:23:48,684 INFO L87 Difference]: Start difference. First operand 104 states and 121 transitions. Second operand 3 states. [2018-11-28 12:23:48,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:48,698 INFO L93 Difference]: Finished difference Result 157 states and 181 transitions. [2018-11-28 12:23:48,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:23:48,699 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 12:23:48,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:48,700 INFO L225 Difference]: With dead ends: 157 [2018-11-28 12:23:48,700 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 12:23:48,700 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 12:23:48,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 12:23:48,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 12:23:48,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 12:23:48,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions. [2018-11-28 12:23:48,708 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 47 [2018-11-28 12:23:48,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:48,709 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 109 transitions. [2018-11-28 12:23:48,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:23:48,709 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions. [2018-11-28 12:23:48,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 12:23:48,710 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:48,710 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 12:23:48,710 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:48,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:48,711 INFO L82 PathProgramCache]: Analyzing trace with hash 1918459622, now seen corresponding path program 1 times [2018-11-28 12:23:48,711 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:48,711 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:48,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:48,712 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:48,834 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 12:23:48,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:23:48,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:23:48,835 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:23:48,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:23:48,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:23:48,836 INFO L87 Difference]: Start difference. First operand 95 states and 109 transitions. Second operand 7 states. [2018-11-28 12:23:49,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:49,096 INFO L93 Difference]: Finished difference Result 166 states and 195 transitions. [2018-11-28 12:23:49,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:23:49,096 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 12:23:49,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:49,097 INFO L225 Difference]: With dead ends: 166 [2018-11-28 12:23:49,098 INFO L226 Difference]: Without dead ends: 95 [2018-11-28 12:23:49,098 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 12:23:49,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-11-28 12:23:49,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-11-28 12:23:49,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-11-28 12:23:49,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 108 transitions. [2018-11-28 12:23:49,107 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 108 transitions. Word has length 51 [2018-11-28 12:23:49,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:49,108 INFO L480 AbstractCegarLoop]: Abstraction has 95 states and 108 transitions. [2018-11-28 12:23:49,108 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:23:49,108 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 108 transitions. [2018-11-28 12:23:49,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-28 12:23:49,109 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:49,109 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] [2018-11-28 12:23:49,110 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:49,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:49,110 INFO L82 PathProgramCache]: Analyzing trace with hash 593277227, now seen corresponding path program 1 times [2018-11-28 12:23:49,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:49,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:49,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:49,242 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 12:23:49,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:23:49,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 12:23:49,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 12:23:49,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 12:23:49,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 12:23:49,244 INFO L87 Difference]: Start difference. First operand 95 states and 108 transitions. Second operand 10 states. [2018-11-28 12:23:49,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:49,519 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-11-28 12:23:49,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 12:23:49,520 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 59 [2018-11-28 12:23:49,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:49,523 INFO L225 Difference]: With dead ends: 288 [2018-11-28 12:23:49,523 INFO L226 Difference]: Without dead ends: 217 [2018-11-28 12:23:49,524 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 [2018-11-28 12:23:49,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-11-28 12:23:49,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 213. [2018-11-28 12:23:49,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-11-28 12:23:49,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 252 transitions. [2018-11-28 12:23:49,547 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 252 transitions. Word has length 59 [2018-11-28 12:23:49,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:49,548 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 252 transitions. [2018-11-28 12:23:49,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 12:23:49,548 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 252 transitions. [2018-11-28 12:23:49,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:23:49,549 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:49,549 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] [2018-11-28 12:23:49,551 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:49,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:49,551 INFO L82 PathProgramCache]: Analyzing trace with hash -631897455, now seen corresponding path program 1 times [2018-11-28 12:23:49,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:49,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:49,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:49,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:49,604 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 12:23:49,604 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:23:49,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:23:49,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:23:49,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:23:49,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:23:49,605 INFO L87 Difference]: Start difference. First operand 213 states and 252 transitions. Second operand 3 states. [2018-11-28 12:23:49,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:49,630 INFO L93 Difference]: Finished difference Result 338 states and 409 transitions. [2018-11-28 12:23:49,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:23:49,631 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 63 [2018-11-28 12:23:49,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:49,632 INFO L225 Difference]: With dead ends: 338 [2018-11-28 12:23:49,632 INFO L226 Difference]: Without dead ends: 149 [2018-11-28 12:23:49,633 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 [2018-11-28 12:23:49,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-11-28 12:23:49,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-11-28 12:23:49,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-11-28 12:23:49,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 167 transitions. [2018-11-28 12:23:49,645 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 167 transitions. Word has length 63 [2018-11-28 12:23:49,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:49,645 INFO L480 AbstractCegarLoop]: Abstraction has 149 states and 167 transitions. [2018-11-28 12:23:49,646 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:23:49,646 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 167 transitions. [2018-11-28 12:23:49,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-28 12:23:49,647 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:23:49,647 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] [2018-11-28 12:23:49,648 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:23:49,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:23:49,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1990348266, now seen corresponding path program 1 times [2018-11-28 12:23:49,648 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:23:49,648 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:23:49,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,649 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:49,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:23:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:49,737 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-28 12:23:49,737 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:23:49,737 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/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 [2018-11-28 12:23:49,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:23:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:23:49,840 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:23:49,970 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 12:23:49,988 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 12:23:49,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 12:23:49,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 12:23:49,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 12:23:49,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 12:23:49,989 INFO L87 Difference]: Start difference. First operand 149 states and 167 transitions. Second operand 12 states. [2018-11-28 12:23:50,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:23:50,300 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2018-11-28 12:23:50,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:23:50,301 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 98 [2018-11-28 12:23:50,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:23:50,302 INFO L225 Difference]: With dead ends: 191 [2018-11-28 12:23:50,302 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:23:50,302 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 [2018-11-28 12:23:50,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:23:50,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:23:50,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:23:50,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:23:50,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 98 [2018-11-28 12:23:50,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:23:50,303 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:23:50,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 12:23:50,303 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:23:50,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:23:50,307 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:23:51,035 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 356 363) the Hoare annotation is: true [2018-11-28 12:23:51,036 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 356 363) no Hoare annotation was computed. [2018-11-28 12:23:51,036 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 356 363) no Hoare annotation was computed. [2018-11-28 12:23:51,036 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 323 347) no Hoare annotation was computed. [2018-11-28 12:23:51,036 INFO L444 ceAbstractionStarter]: At program point L342(line 342) 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))))) [2018-11-28 12:23:51,036 INFO L448 ceAbstractionStarter]: For program point L342-1(lines 323 347) no Hoare annotation was computed. [2018-11-28 12:23:51,036 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 323 347) 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))))) [2018-11-28 12:23:51,036 INFO L444 ceAbstractionStarter]: At program point L337(line 337) 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))))) [2018-11-28 12:23:51,036 INFO L444 ceAbstractionStarter]: At program point L333(line 333) 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))))) [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 339) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L444 ceAbstractionStarter]: At program point L329(line 329) 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))))) [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point L329-1(line 329) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 344) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 200 206) the Hoare annotation is: true [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 200 206) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 315 321) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 315 321) the Hoare annotation is: true [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 207 215) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 207 215) the Hoare annotation is: true [2018-11-28 12:23:51,037 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 207 215) no Hoare annotation was computed. [2018-11-28 12:23:51,037 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 217 280) 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))) [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 217 280) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L444 ceAbstractionStarter]: At program point L273(lines 226 274) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L444 ceAbstractionStarter]: At program point L263-2(lines 257 268) 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))) [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point L228(lines 227 272) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 268) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L444 ceAbstractionStarter]: At program point L249(line 249) 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))) [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 253) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L448 ceAbstractionStarter]: For program point L247-1(lines 247 253) no Hoare annotation was computed. [2018-11-28 12:23:51,038 INFO L444 ceAbstractionStarter]: At program point L239(line 239) 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))) [2018-11-28 12:23:51,039 INFO L444 ceAbstractionStarter]: At program point L270(lines 227 272) 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))) [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 243) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L237-1(lines 237 243) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 233) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 217 280) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-28 12:23:51,039 INFO L444 ceAbstractionStarter]: At program point L57(line 57) 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))))) [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L444 ceAbstractionStarter]: At program point L53(line 53) 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))))) [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-28 12:23:51,039 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L444 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:23:51,040 INFO L444 ceAbstractionStarter]: At program point L161-1(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~waterLevel~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 166) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 159 166) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 149 171) 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))) [2018-11-28 12:23:51,040 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-28 12:23:51,040 INFO L444 ceAbstractionStarter]: At program point L156(line 156) 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))) [2018-11-28 12:23:51,041 INFO L444 ceAbstractionStarter]: At program point L155(line 155) 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))) [2018-11-28 12:23:51,041 INFO L444 ceAbstractionStarter]: At program point L155-1(line 155) 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))) [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 149 171) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 149 171) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 375 383) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 375 383) the Hoare annotation is: true [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 375 383) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 519 527) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 519 527) the Hoare annotation is: true [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 519 527) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:23:51,041 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)) [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:23:51,041 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 433) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L451 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: true [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point L429-2(lines 429 433) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 420 438) the Hoare annotation is: true [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 420 438) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 420 438) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 510 518) the Hoare annotation is: true [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 510 518) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 510 518) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 466 477) the Hoare annotation is: true [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 466 477) no Hoare annotation was computed. [2018-11-28 12:23:51,042 INFO L448 ceAbstractionStarter]: For program point L470-1(lines 466 477) no Hoare annotation was computed. [2018-11-28 12:23:51,043 INFO L444 ceAbstractionStarter]: At program point L304(line 304) 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))))) [2018-11-28 12:23:51,043 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 291 314) 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))))) [2018-11-28 12:23:51,043 INFO L444 ceAbstractionStarter]: At program point L302(lines 302 308) 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))))) [2018-11-28 12:23:51,043 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 291 314) no Hoare annotation was computed. [2018-11-28 12:23:51,043 INFO L444 ceAbstractionStarter]: At program point L297(line 297) 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))))) [2018-11-28 12:23:51,043 INFO L448 ceAbstractionStarter]: For program point L295(lines 294 313) no Hoare annotation was computed. [2018-11-28 12:23:51,043 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 291 314) no Hoare annotation was computed. [2018-11-28 12:23:51,043 INFO L451 ceAbstractionStarter]: At program point L96(lines 71 100) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 71 100) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 71 100) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point L92(line 92) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L451 ceAbstractionStarter]: At program point L85-1(lines 85 89) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L451 ceAbstractionStarter]: At program point L81-2(lines 81 95) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L451 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point L77-1(line 77) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 442 453) the Hoare annotation is: true [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point L446-1(lines 442 453) no Hoare annotation was computed. [2018-11-28 12:23:51,044 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 442 453) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 193 199) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 193 199) the Hoare annotation is: true [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 128 134) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 128 134) the Hoare annotation is: true [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-11-28 12:23:51,045 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 454 465) no Hoare annotation was computed. [2018-11-28 12:23:51,045 INFO L448 ceAbstractionStarter]: For program point L458-1(lines 454 465) no Hoare annotation was computed. [2018-11-28 12:23:51,046 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 454 465) 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))))) [2018-11-28 12:23:51,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-28 12:23:51,046 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 173 180) the Hoare annotation is: true [2018-11-28 12:23:51,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 177) no Hoare annotation was computed. [2018-11-28 12:23:51,046 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-28 12:23:51,046 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 136 145) 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))) [2018-11-28 12:23:51,046 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 136 145) no Hoare annotation was computed. [2018-11-28 12:23:51,046 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 136 145) no Hoare annotation was computed. [2018-11-28 12:23:51,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:23:51 BoogieIcfgContainer [2018-11-28 12:23:51,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:23:51,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:23:51,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:23:51,057 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:23:51,057 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:23:48" (3/4) ... [2018-11-28 12:23:51,060 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:23:51,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 12:23:51,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 12:23:51,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 12:23:51,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 12:23:51,066 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 12:23:51,067 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 12:23:51,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 12:23:51,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 12:23:51,068 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 12:23:51,074 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-28 12:23:51,074 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 12:23:51,074 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 12:23:51,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 12:23:51,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 12:23:51,075 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 12:23:51,098 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) [2018-11-28 12:23:51,098 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-28 12:23:51,129 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bb3662d8-c07d-41ce-8883-ed9962847de0/bin-2019/uautomizer/witness.graphml [2018-11-28 12:23:51,129 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:23:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 3800.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 239.6 MB). Free memory was 949.9 MB in the beginning and 953.4 MB in the end (delta: -3.5 MB). Peak memory consumption was 236.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:23:51,131 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:23:51,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:23:51,131 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.78 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 12:23:51,132 INFO L168 Benchmark]: Boogie Preprocessor took 31.17 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 12:23:51,132 INFO L168 Benchmark]: RCFGBuilder took 477.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:23:51,132 INFO L168 Benchmark]: TraceAbstraction took 2821.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 961.6 MB in the end (delta: 128.5 MB). Peak memory consumption was 214.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:23:51,132 INFO L168 Benchmark]: Witness Printer took 73.03 ms. Allocated memory is still 1.3 GB. Free memory was 961.6 MB in the beginning and 953.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:23:51,134 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.99 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -187.8 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.78 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 31.17 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 477.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2821.84 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 86.0 MB). Free memory was 1.1 GB in the beginning and 961.6 MB in the end (delta: 128.5 MB). Peak memory consumption was 214.5 MB. Max. memory is 11.5 GB. * Witness Printer took 73.03 ms. Allocated memory is still 1.3 GB. Free memory was 961.6 MB in the beginning and 953.4 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 177]: 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: 71]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 226]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 2.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 634 SDtfs, 477 SDslu, 1330 SDs, 0 SdLazy, 767 SolverSat, 135 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s 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=213occurred 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, 0.0s HoareSimplificationTime, 49 FomulaSimplificationsInter, 1053 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 462 NumberOfCodeBlocks, 462 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 455 ConstructedInterpolants, 0 QuantifiedInterpolants, 66137 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...