./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product08_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_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:26:10,840 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:26:10,841 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:26:10,850 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:26:10,850 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:26:10,851 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:26:10,852 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:26:10,853 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:26:10,854 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:26:10,855 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:26:10,856 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:26:10,856 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:26:10,857 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:26:10,857 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:26:10,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:26:10,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:26:10,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:26:10,861 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:26:10,862 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:26:10,863 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:26:10,864 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:26:10,865 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:26:10,867 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:26:10,867 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:26:10,867 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:26:10,868 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:26:10,869 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:26:10,869 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:26:10,870 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:26:10,871 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:26:10,871 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:26:10,871 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:26:10,871 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:26:10,872 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:26:10,872 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:26:10,873 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:26:10,873 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:26:10,884 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:26:10,884 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:26:10,884 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:26:10,885 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:26:10,885 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:26:10,886 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:26:10,886 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:26:10,886 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:26:10,886 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:26:10,887 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:26:10,887 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:26:10,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:26:10,888 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:26:10,889 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:26:10,889 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan 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 -> Taipan 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 -> 7ed6f6fcca911d6d9d1e7f48bc21f435c586726c [2018-12-02 08:26:10,912 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:26:10,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:26:10,923 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:26:10,924 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:26:10,925 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:26:10,925 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-02 08:26:10,968 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/data/5e9d7fe40/bd5739839121441789236d3669dca857/FLAG03403cf81 [2018-12-02 08:26:11,313 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:26:11,313 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/sv-benchmarks/c/product-lines/minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-02 08:26:11,319 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/data/5e9d7fe40/bd5739839121441789236d3669dca857/FLAG03403cf81 [2018-12-02 08:26:11,697 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/data/5e9d7fe40/bd5739839121441789236d3669dca857 [2018-12-02 08:26:11,699 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:26:11,700 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:26:11,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:26:11,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:26:11,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:26:11,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:11,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11, skipping insertion in model container [2018-12-02 08:26:11,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:11,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:26:11,735 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:26:11,882 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:26:11,920 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:26:11,958 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:26:11,972 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:26:11,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11 WrapperNode [2018-12-02 08:26:11,972 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:26:11,973 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:26:11,973 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:26:11,973 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:26:11,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:11,987 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:11,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:26:11,992 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:26:11,992 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:26:11,993 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:26:11,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:11,998 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,001 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,001 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,011 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... [2018-12-02 08:26:12,013 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:26:12,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:26:12,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:26:12,014 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:26:12,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/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 08:26:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:26:12,045 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:26:12,045 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:26:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:26:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 08:26:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 08:26:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:26:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:26:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:26:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:26:12,046 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:26:12,046 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:26:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:26:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:26:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:26:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 08:26:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 08:26:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:26:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:26:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:26:12,047 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:26:12,047 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 08:26:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 08:26:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:26:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:26:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 08:26:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 08:26:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:26:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:26:12,048 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:26:12,048 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:26:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:26:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:26:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 08:26:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:26:12,049 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:26:12,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:26:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:26:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:26:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:26:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:26:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 08:26:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 08:26:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:26:12,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:26:12,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:26:12,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:26:12,308 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:26:12,309 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:26:12,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:26:12 BoogieIcfgContainer [2018-12-02 08:26:12,309 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:26:12,310 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:26:12,310 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:26:12,312 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:26:12,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:26:11" (1/3) ... [2018-12-02 08:26:12,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143c00dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:26:12, skipping insertion in model container [2018-12-02 08:26:12,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:26:11" (2/3) ... [2018-12-02 08:26:12,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@143c00dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:26:12, skipping insertion in model container [2018-12-02 08:26:12,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:26:12" (3/3) ... [2018-12-02 08:26:12,315 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product08_false-unreach-call_false-termination.cil.c [2018-12-02 08:26:12,323 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:26:12,329 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:26:12,341 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:26:12,364 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:26:12,364 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:26:12,364 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:26:12,365 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:26:12,365 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:26:12,365 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:26:12,365 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:26:12,365 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:26:12,376 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-12-02 08:26:12,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 08:26:12,381 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:12,382 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 08:26:12,384 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:12,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:12,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1125929210, now seen corresponding path program 1 times [2018-12-02 08:26:12,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:12,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:12,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:12,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:26:12,538 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 08:26:12,539 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:26:12,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:26:12,539 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:26:12,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:26:12,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:26:12,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:26:12,551 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-12-02 08:26:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:26:12,573 INFO L93 Difference]: Finished difference Result 230 states and 287 transitions. [2018-12-02 08:26:12,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:26:12,573 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 08:26:12,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:26:12,580 INFO L225 Difference]: With dead ends: 230 [2018-12-02 08:26:12,581 INFO L226 Difference]: Without dead ends: 115 [2018-12-02 08:26:12,583 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 08:26:12,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-12-02 08:26:12,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-12-02 08:26:12,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-12-02 08:26:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-12-02 08:26:12,613 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2018-12-02 08:26:12,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:26:12,613 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-12-02 08:26:12,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:26:12,613 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-12-02 08:26:12,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 08:26:12,615 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:12,615 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 08:26:12,615 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:12,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:12,615 INFO L82 PathProgramCache]: Analyzing trace with hash -307377261, now seen corresponding path program 1 times [2018-12-02 08:26:12,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:12,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,616 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:12,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,616 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:26:12,670 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 08:26:12,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:26:12,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:26:12,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:26:12,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:26:12,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:26:12,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:26:12,672 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 3 states. [2018-12-02 08:26:12,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:26:12,683 INFO L93 Difference]: Finished difference Result 169 states and 197 transitions. [2018-12-02 08:26:12,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:26:12,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 08:26:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:26:12,685 INFO L225 Difference]: With dead ends: 169 [2018-12-02 08:26:12,685 INFO L226 Difference]: Without dead ends: 106 [2018-12-02 08:26:12,686 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 08:26:12,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-12-02 08:26:12,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-12-02 08:26:12,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-02 08:26:12,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2018-12-02 08:26:12,693 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2018-12-02 08:26:12,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:26:12,693 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2018-12-02 08:26:12,693 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:26:12,693 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2018-12-02 08:26:12,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 08:26:12,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:12,694 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] [2018-12-02 08:26:12,694 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:12,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:12,694 INFO L82 PathProgramCache]: Analyzing trace with hash -812957017, now seen corresponding path program 1 times [2018-12-02 08:26:12,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:12,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:12,695 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:26:12,768 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 08:26:12,768 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:26:12,768 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:26:12,768 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:26:12,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:26:12,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:26:12,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:26:12,769 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 7 states. [2018-12-02 08:26:13,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:26:13,001 INFO L93 Difference]: Finished difference Result 326 states and 396 transitions. [2018-12-02 08:26:13,001 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:26:13,001 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-02 08:26:13,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:26:13,003 INFO L225 Difference]: With dead ends: 326 [2018-12-02 08:26:13,003 INFO L226 Difference]: Without dead ends: 244 [2018-12-02 08:26:13,003 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 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 08:26:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-12-02 08:26:13,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 232. [2018-12-02 08:26:13,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2018-12-02 08:26:13,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 281 transitions. [2018-12-02 08:26:13,021 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 281 transitions. Word has length 58 [2018-12-02 08:26:13,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:26:13,021 INFO L480 AbstractCegarLoop]: Abstraction has 232 states and 281 transitions. [2018-12-02 08:26:13,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:26:13,021 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 281 transitions. [2018-12-02 08:26:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 08:26:13,023 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:13,023 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] [2018-12-02 08:26:13,023 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:13,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:13,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1074656625, now seen corresponding path program 1 times [2018-12-02 08:26:13,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:13,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:13,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:26:13,086 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 08:26:13,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:26:13,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:26:13,087 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:26:13,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:26:13,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:26:13,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:26:13,088 INFO L87 Difference]: Start difference. First operand 232 states and 281 transitions. Second operand 6 states. [2018-12-02 08:26:13,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:26:13,183 INFO L93 Difference]: Finished difference Result 621 states and 789 transitions. [2018-12-02 08:26:13,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:26:13,184 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-02 08:26:13,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:26:13,186 INFO L225 Difference]: With dead ends: 621 [2018-12-02 08:26:13,186 INFO L226 Difference]: Without dead ends: 413 [2018-12-02 08:26:13,188 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 08:26:13,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-12-02 08:26:13,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-12-02 08:26:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-12-02 08:26:13,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 504 transitions. [2018-12-02 08:26:13,221 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 504 transitions. Word has length 63 [2018-12-02 08:26:13,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:26:13,221 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 504 transitions. [2018-12-02 08:26:13,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:26:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 504 transitions. [2018-12-02 08:26:13,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 08:26:13,224 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:13,224 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:26:13,224 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:13,225 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:13,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1107099351, now seen corresponding path program 1 times [2018-12-02 08:26:13,225 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:13,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,225 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:13,225 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,226 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:13,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:26:13,284 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 08:26:13,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:26:13,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:26:13,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:26:13,285 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:26:13,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:26:13,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:26:13,285 INFO L87 Difference]: Start difference. First operand 407 states and 504 transitions. Second operand 4 states. [2018-12-02 08:26:13,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:26:13,372 INFO L93 Difference]: Finished difference Result 708 states and 897 transitions. [2018-12-02 08:26:13,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 08:26:13,373 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-02 08:26:13,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:26:13,375 INFO L225 Difference]: With dead ends: 708 [2018-12-02 08:26:13,375 INFO L226 Difference]: Without dead ends: 325 [2018-12-02 08:26:13,376 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-02 08:26:13,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-12-02 08:26:13,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 317. [2018-12-02 08:26:13,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-12-02 08:26:13,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 368 transitions. [2018-12-02 08:26:13,398 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 368 transitions. Word has length 67 [2018-12-02 08:26:13,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:26:13,398 INFO L480 AbstractCegarLoop]: Abstraction has 317 states and 368 transitions. [2018-12-02 08:26:13,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:26:13,398 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 368 transitions. [2018-12-02 08:26:13,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-02 08:26:13,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:26:13,400 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:26:13,400 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:26:13,400 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:26:13,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1270012169, now seen corresponding path program 1 times [2018-12-02 08:26:13,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:26:13,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:26:13,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:26:13,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:26:13,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:26:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 08:26:13,504 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 08:26:13,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:26:13 BoogieIcfgContainer [2018-12-02 08:26:13,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:26:13,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:26:13,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:26:13,584 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:26:13,585 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:26:12" (3/4) ... [2018-12-02 08:26:13,586 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 08:26:13,652 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8812aa17-77cc-4644-92f0-e1ed3491c067/bin-2019/utaipan/witness.graphml [2018-12-02 08:26:13,652 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:26:13,653 INFO L168 Benchmark]: Toolchain (without parser) took 1953.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.8 MB). Free memory was 952.4 MB in the beginning and 1.2 GB in the end (delta: -229.6 MB). Peak memory consumption was 283.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,654 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:26:13,654 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,654 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,655 INFO L168 Benchmark]: Boogie Preprocessor took 20.96 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 08:26:13,655 INFO L168 Benchmark]: RCFGBuilder took 295.67 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,655 INFO L168 Benchmark]: TraceAbstraction took 1274.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 817.4 MB in the end (delta: 249.9 MB). Peak memory consumption was 249.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,655 INFO L168 Benchmark]: Witness Printer took 68.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 817.4 MB in the beginning and 1.2 GB in the end (delta: -364.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:26:13,657 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -168.3 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.96 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 295.67 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: 43.6 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1274.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 817.4 MB in the end (delta: 249.9 MB). Peak memory consumption was 249.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.14 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 76.5 MB). Free memory was 817.4 MB in the beginning and 1.2 GB in the end (delta: -364.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 532]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L247] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L448] int waterLevel = 1; [L449] int methaneLevelCritical = 0; [L613] int pumpRunning = 0; [L614] int systemActive = 1; [L807] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=193, \old(head)=200, \old(head)=179, \old(methaneLevelCritical)=155, \old(pumpRunning)=147, \old(systemActive)=146, \old(waterLevel)=150, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L880] int retValue_acc ; [L881] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L885] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L886] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L798] int retValue_acc ; [L801] retValue_acc = 1 [L802] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L887] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L887] tmp = valid_product() [L889] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L891] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L892] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L874] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L542] int splverifierCounter ; [L543] int tmp ; [L544] int tmp___0 ; [L545] int tmp___1 ; [L546] int tmp___2 ; [L549] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L551] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L553] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L559] tmp = __VERIFIER_nondet_int() [L561] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L563] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L466] COND TRUE waterLevel < 2 [L467] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L563] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L569] tmp___0 = __VERIFIER_nondet_int() [L571] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L579] tmp___2 = __VERIFIER_nondet_int() [L581] COND FALSE !(\read(tmp___2)) [L587] tmp___1 = __VERIFIER_nondet_int() [L589] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L591] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L749] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L756] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L591] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L598] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L620] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L627] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L635] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L487] int retValue_acc ; [L490] retValue_acc = methaneLevelCritical [L491] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L519] int retValue_acc ; [L522] retValue_acc = waterLevel [L523] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L701] int retValue_acc ; [L704] retValue_acc = pumpRunning [L705] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L532] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. UNSAFE Result, 1.2s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 653 SDtfs, 378 SDslu, 1133 SDs, 0 SdLazy, 284 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=407occurred 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, 26 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 360 NumberOfCodeBlocks, 360 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 288 ConstructedInterpolants, 0 QuantifiedInterpolants, 29244 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...