./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/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 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:36:15,815 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:36:15,816 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:36:15,822 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:36:15,822 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:36:15,823 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:36:15,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:36:15,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:36:15,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:36:15,825 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:36:15,826 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:36:15,826 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:36:15,826 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:36:15,827 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:36:15,827 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:36:15,828 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:36:15,828 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:36:15,829 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:36:15,830 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:36:15,831 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:36:15,831 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:36:15,832 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:36:15,833 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:36:15,833 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:36:15,833 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:36:15,834 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:36:15,834 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:36:15,835 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:36:15,835 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:36:15,836 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:36:15,836 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:36:15,836 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:36:15,836 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:36:15,836 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:36:15,837 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:36:15,837 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:36:15,837 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 19:36:15,844 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:36:15,844 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:36:15,845 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:36:15,845 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:36:15,845 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 19:36:15,845 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 19:36:15,845 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 19:36:15,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:36:15,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:36:15,847 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:36:15,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:36:15,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:36:15,848 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_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/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 -> 3a064916388666b8cd5a1e3eb1ebd0adb240dbdf [2018-12-02 19:36:15,866 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:36:15,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:36:15,878 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:36:15,879 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:36:15,879 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:36:15,880 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-02 19:36:15,919 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/data/463a66a65/aaf2ce784b0749dd85d39f76c4d40ac7/FLAGc931d33bf [2018-12-02 19:36:16,277 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:36:16,277 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/sv-benchmarks/c/product-lines/minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-02 19:36:16,283 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/data/463a66a65/aaf2ce784b0749dd85d39f76c4d40ac7/FLAGc931d33bf [2018-12-02 19:36:16,291 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/data/463a66a65/aaf2ce784b0749dd85d39f76c4d40ac7 [2018-12-02 19:36:16,293 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:36:16,294 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:36:16,294 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:36:16,294 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:36:16,296 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:36:16,297 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16, skipping insertion in model container [2018-12-02 19:36:16,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:36:16,329 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:36:16,484 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:36:16,531 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:36:16,572 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:36:16,586 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:36:16,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16 WrapperNode [2018-12-02 19:36:16,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:36:16,586 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:36:16,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:36:16,587 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:36:16,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,601 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,606 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:36:16,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:36:16,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:36:16,606 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:36:16,612 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,612 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,613 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,619 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... [2018-12-02 19:36:16,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:36:16,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:36:16,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:36:16,626 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:36:16,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:36:16,657 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 19:36:16,658 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 19:36:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 19:36:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 19:36:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 19:36:16,660 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 19:36:16,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 19:36:16,949 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:36:16,949 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 19:36:16,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:36:16 BoogieIcfgContainer [2018-12-02 19:36:16,949 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:36:16,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:36:16,950 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:36:16,953 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:36:16,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:36:16" (1/3) ... [2018-12-02 19:36:16,953 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74247f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:36:16, skipping insertion in model container [2018-12-02 19:36:16,953 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:36:16" (2/3) ... [2018-12-02 19:36:16,954 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74247f28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:36:16, skipping insertion in model container [2018-12-02 19:36:16,954 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:36:16" (3/3) ... [2018-12-02 19:36:16,955 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product09_false-unreach-call_false-termination.cil.c [2018-12-02 19:36:16,962 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:36:16,967 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:36:16,976 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:36:16,994 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 19:36:16,995 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:36:16,995 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:36:16,995 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:36:16,995 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:36:16,995 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:36:16,995 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:36:16,995 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:36:16,995 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:36:17,006 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states. [2018-12-02 19:36:17,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 19:36:17,011 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,012 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:36:17,013 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,016 INFO L82 PathProgramCache]: Analyzing trace with hash 2065509098, now seen corresponding path program 1 times [2018-12-02 19:36:17,017 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,045 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:36:17,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:36:17,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:36:17,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:36:17,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:36:17,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:36:17,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:36:17,169 INFO L87 Difference]: Start difference. First operand 100 states. Second operand 2 states. [2018-12-02 19:36:17,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:36:17,187 INFO L93 Difference]: Finished difference Result 174 states and 219 transitions. [2018-12-02 19:36:17,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:36:17,188 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 19:36:17,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:36:17,193 INFO L225 Difference]: With dead ends: 174 [2018-12-02 19:36:17,193 INFO L226 Difference]: Without dead ends: 87 [2018-12-02 19:36:17,195 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:36:17,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-12-02 19:36:17,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-12-02 19:36:17,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-12-02 19:36:17,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 101 transitions. [2018-12-02 19:36:17,221 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 101 transitions. Word has length 52 [2018-12-02 19:36:17,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:36:17,222 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 101 transitions. [2018-12-02 19:36:17,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:36:17,222 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 101 transitions. [2018-12-02 19:36:17,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 19:36:17,223 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,223 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] [2018-12-02 19:36:17,224 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,224 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1264660361, now seen corresponding path program 1 times [2018-12-02 19:36:17,224 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,224 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:36:17,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:36:17,282 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:36:17,282 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 19:36:17,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 19:36:17,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 19:36:17,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 19:36:17,284 INFO L87 Difference]: Start difference. First operand 87 states and 101 transitions. Second operand 3 states. [2018-12-02 19:36:17,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:36:17,296 INFO L93 Difference]: Finished difference Result 123 states and 141 transitions. [2018-12-02 19:36:17,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 19:36:17,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 19:36:17,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:36:17,298 INFO L225 Difference]: With dead ends: 123 [2018-12-02 19:36:17,298 INFO L226 Difference]: Without dead ends: 78 [2018-12-02 19:36:17,299 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 19:36:17,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-02 19:36:17,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-02 19:36:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-02 19:36:17,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2018-12-02 19:36:17,306 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 53 [2018-12-02 19:36:17,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:36:17,306 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2018-12-02 19:36:17,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 19:36:17,306 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2018-12-02 19:36:17,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 19:36:17,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,308 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] [2018-12-02 19:36:17,308 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1300670536, now seen corresponding path program 1 times [2018-12-02 19:36:17,308 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,308 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,309 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:36:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:36:17,372 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:36:17,372 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 19:36:17,372 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 19:36:17,372 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 19:36:17,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 19:36:17,373 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 7 states. [2018-12-02 19:36:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:36:17,491 INFO L93 Difference]: Finished difference Result 132 states and 155 transitions. [2018-12-02 19:36:17,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 19:36:17,491 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 19:36:17,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:36:17,492 INFO L225 Difference]: With dead ends: 132 [2018-12-02 19:36:17,493 INFO L226 Difference]: Without dead ends: 78 [2018-12-02 19:36:17,493 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 19:36:17,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-02 19:36:17,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-12-02 19:36:17,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-12-02 19:36:17,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 88 transitions. [2018-12-02 19:36:17,501 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 88 transitions. Word has length 57 [2018-12-02 19:36:17,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:36:17,501 INFO L480 AbstractCegarLoop]: Abstraction has 78 states and 88 transitions. [2018-12-02 19:36:17,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 19:36:17,501 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 88 transitions. [2018-12-02 19:36:17,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 19:36:17,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,503 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] [2018-12-02 19:36:17,503 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,503 INFO L82 PathProgramCache]: Analyzing trace with hash -505529502, now seen corresponding path program 1 times [2018-12-02 19:36:17,503 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,504 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:36:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:36:17,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:36:17,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 19:36:17,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 19:36:17,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 19:36:17,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 19:36:17,578 INFO L87 Difference]: Start difference. First operand 78 states and 88 transitions. Second operand 6 states. [2018-12-02 19:36:17,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:36:17,677 INFO L93 Difference]: Finished difference Result 175 states and 212 transitions. [2018-12-02 19:36:17,677 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 19:36:17,677 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2018-12-02 19:36:17,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:36:17,680 INFO L225 Difference]: With dead ends: 175 [2018-12-02 19:36:17,680 INFO L226 Difference]: Without dead ends: 121 [2018-12-02 19:36:17,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 19:36:17,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-02 19:36:17,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2018-12-02 19:36:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-02 19:36:17,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-02 19:36:17,693 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 60 [2018-12-02 19:36:17,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:36:17,694 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-02 19:36:17,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 19:36:17,694 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-02 19:36:17,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 19:36:17,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,695 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:36:17,696 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,696 INFO L82 PathProgramCache]: Analyzing trace with hash -271629028, now seen corresponding path program 1 times [2018-12-02 19:36:17,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:36:17,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:36:17,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:36:17,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 19:36:17,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 19:36:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 19:36:17,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 19:36:17,743 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-12-02 19:36:17,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:36:17,753 INFO L93 Difference]: Finished difference Result 169 states and 199 transitions. [2018-12-02 19:36:17,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 19:36:17,754 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-12-02 19:36:17,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:36:17,755 INFO L225 Difference]: With dead ends: 169 [2018-12-02 19:36:17,755 INFO L226 Difference]: Without dead ends: 113 [2018-12-02 19:36:17,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 19:36:17,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-12-02 19:36:17,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-12-02 19:36:17,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-02 19:36:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 128 transitions. [2018-12-02 19:36:17,766 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 128 transitions. Word has length 64 [2018-12-02 19:36:17,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:36:17,766 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 128 transitions. [2018-12-02 19:36:17,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 19:36:17,766 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 128 transitions. [2018-12-02 19:36:17,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 19:36:17,767 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:36:17,768 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:36:17,768 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:36:17,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:36:17,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1984019876, now seen corresponding path program 1 times [2018-12-02 19:36:17,768 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 19:36:17,769 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 19:36:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:36:17,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:36:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:36:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:36:17,858 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 19:36:17,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:36:17 BoogieIcfgContainer [2018-12-02 19:36:17,949 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:36:17,950 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:36:17,950 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:36:17,950 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:36:17,950 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:36:16" (3/4) ... [2018-12-02 19:36:17,952 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 19:36:18,030 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6f60458-ee2b-45c2-9c73-7c4eca9fdb18/bin-2019/uautomizer/witness.graphml [2018-12-02 19:36:18,030 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:36:18,030 INFO L168 Benchmark]: Toolchain (without parser) took 1737.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 873.0 MB in the end (delta: 73.3 MB). Peak memory consumption was 213.3 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,031 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:36:18,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 292.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,032 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.32 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,032 INFO L168 Benchmark]: Boogie Preprocessor took 19.77 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. [2018-12-02 19:36:18,032 INFO L168 Benchmark]: RCFGBuilder took 323.51 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,033 INFO L168 Benchmark]: TraceAbstraction took 999.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 187.4 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,033 INFO L168 Benchmark]: Witness Printer took 80.35 ms. Allocated memory is still 1.2 GB. Free memory was 894.5 MB in the beginning and 873.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-12-02 19:36:18,035 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 971.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 292.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 25.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.32 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.77 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 323.51 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: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 999.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 894.5 MB in the end (delta: 187.4 MB). Peak memory consumption was 187.4 MB. Max. memory is 11.5 GB. * Witness Printer took 80.35 ms. Allocated memory is still 1.2 GB. Free memory was 894.5 MB in the beginning and 873.0 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 148]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L224] int pumpRunning = 0; [L225] int systemActive = 1; [L589] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L126] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L127] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L411] int retValue_acc ; [L414] retValue_acc = 1 [L415] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L128] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L128] tmp = valid_product() [L130] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L132] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L133] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L112] CALL test() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L154] int splverifierCounter ; [L155] int tmp ; [L156] int tmp___0 ; [L157] int tmp___1 ; [L158] int tmp___2 ; [L161] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L163] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L165] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L171] tmp = __VERIFIER_nondet_int() [L173] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L175] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L804] COND TRUE waterLevel < 2 [L805] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L175] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L181] tmp___0 = __VERIFIER_nondet_int() [L183] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L191] tmp___2 = __VERIFIER_nondet_int() [L193] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L206] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L232] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L239] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L241] FCALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L352] int tmp ; [L353] int tmp___0 ; [L354] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L358] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L358] tmp = isMethaneLevelCritical() [L360] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L364] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L364] tmp___0 = getWaterLevel() [L366] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] int retValue_acc ; [L308] retValue_acc = pumpRunning [L309] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L368] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L368] tmp___1 = isPumpRunning() [L370] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L374] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L148] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 20 procedures, 100 locations, 1 error locations. UNSAFE Result, 0.9s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 458 SDtfs, 187 SDslu, 566 SDs, 0 SdLazy, 137 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred 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, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 350 NumberOfCodeBlocks, 350 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 26879 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...