./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product35_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_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/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 c300c29b8d9fc061a97d8a30a731a0ec640f0644 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 [2018-12-09 12:34:48,871 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:34:48,872 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:34:48,878 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:34:48,878 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:34:48,878 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:34:48,879 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:34:48,880 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:34:48,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:34:48,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:34:48,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:34:48,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:34:48,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:34:48,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:34:48,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:34:48,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:34:48,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:34:48,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:34:48,885 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:34:48,886 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:34:48,887 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:34:48,887 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:34:48,888 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:34:48,889 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:34:48,889 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:34:48,889 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:34:48,890 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:34:48,890 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:34:48,890 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:34:48,891 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:34:48,891 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:34:48,891 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:34:48,892 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:34:48,892 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:34:48,892 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:34:48,893 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:34:48,893 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:34:48,900 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:34:48,900 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:34:48,901 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:34:48,901 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:34:48,901 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:34:48,902 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:34:48,902 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:34:48,903 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:34:48,903 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:34:48,903 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:34:48,904 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:34:48,904 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:34:48,904 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:34:48,904 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:34:48,904 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:34:48,904 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_338a9240-a45d-410d-a33c-76dfc7b8bfd5/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 -> c300c29b8d9fc061a97d8a30a731a0ec640f0644 [2018-12-09 12:34:48,922 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:34:48,930 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:34:48,932 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:34:48,932 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:34:48,933 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:34:48,933 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-12-09 12:34:48,966 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/data/f2bf2f9c9/729e3d11cd9e41aa96ef84166d0bfffd/FLAG837666e5c [2018-12-09 12:34:49,454 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:34:49,454 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/sv-benchmarks/c/product-lines/minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-12-09 12:34:49,460 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/data/f2bf2f9c9/729e3d11cd9e41aa96ef84166d0bfffd/FLAG837666e5c [2018-12-09 12:34:49,468 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/data/f2bf2f9c9/729e3d11cd9e41aa96ef84166d0bfffd [2018-12-09 12:34:49,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:34:49,471 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:34:49,472 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:49,472 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:34:49,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:34:49,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49, skipping insertion in model container [2018-12-09 12:34:49,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:34:49,499 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:34:49,642 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:49,682 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:34:49,730 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:34:49,745 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:34:49,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49 WrapperNode [2018-12-09 12:34:49,746 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:34:49,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:34:49,746 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:34:49,746 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:34:49,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,761 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:34:49,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:34:49,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:34:49,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:34:49,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,774 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,774 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,784 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... [2018-12-09 12:34:49,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:34:49,789 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:34:49,789 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:34:49,789 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:34:49,790 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/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 [2018-12-09 12:34:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 12:34:49,825 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 12:34:49,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 12:34:49,826 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 12:34:49,826 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 12:34:49,827 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 12:34:49,827 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:34:49,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:34:49,828 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 12:34:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 12:34:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 12:34:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 12:34:49,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:34:49,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:34:50,074 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:34:50,075 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 12:34:50,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:50 BoogieIcfgContainer [2018-12-09 12:34:50,075 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:34:50,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:34:50,076 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:34:50,077 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:34:50,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:34:49" (1/3) ... [2018-12-09 12:34:50,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128d60c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:50, skipping insertion in model container [2018-12-09 12:34:50,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:34:49" (2/3) ... [2018-12-09 12:34:50,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@128d60c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:34:50, skipping insertion in model container [2018-12-09 12:34:50,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:50" (3/3) ... [2018-12-09 12:34:50,079 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product35_false-unreach-call_false-termination.cil.c [2018-12-09 12:34:50,086 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:34:50,090 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:34:50,100 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:34:50,119 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:34:50,119 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:34:50,119 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:34:50,119 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:34:50,119 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:34:50,119 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:34:50,120 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:34:50,120 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:34:50,137 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states. [2018-12-09 12:34:50,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 12:34:50,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:50,145 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:50,146 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:50,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:50,151 INFO L82 PathProgramCache]: Analyzing trace with hash 2027092180, now seen corresponding path program 1 times [2018-12-09 12:34:50,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:50,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:50,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:50,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:50,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:50,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:50,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 12:34:50,325 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:50,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 12:34:50,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 12:34:50,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 12:34:50,339 INFO L87 Difference]: Start difference. First operand 132 states. Second operand 2 states. [2018-12-09 12:34:50,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:50,359 INFO L93 Difference]: Finished difference Result 234 states and 291 transitions. [2018-12-09 12:34:50,359 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 12:34:50,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 12:34:50,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:50,366 INFO L225 Difference]: With dead ends: 234 [2018-12-09 12:34:50,367 INFO L226 Difference]: Without dead ends: 119 [2018-12-09 12:34:50,369 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 [2018-12-09 12:34:50,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-12-09 12:34:50,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-12-09 12:34:50,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-12-09 12:34:50,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 139 transitions. [2018-12-09 12:34:50,398 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 139 transitions. Word has length 51 [2018-12-09 12:34:50,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:50,398 INFO L480 AbstractCegarLoop]: Abstraction has 119 states and 139 transitions. [2018-12-09 12:34:50,398 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 12:34:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 139 transitions. [2018-12-09 12:34:50,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 12:34:50,400 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:50,401 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] [2018-12-09 12:34:50,401 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:50,401 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:50,401 INFO L82 PathProgramCache]: Analyzing trace with hash -917768206, now seen corresponding path program 1 times [2018-12-09 12:34:50,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:50,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:50,402 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,402 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:50,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:50,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:50,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:50,463 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:34:50,463 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:50,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:50,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:50,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:50,465 INFO L87 Difference]: Start difference. First operand 119 states and 139 transitions. Second operand 3 states. [2018-12-09 12:34:50,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:50,479 INFO L93 Difference]: Finished difference Result 174 states and 203 transitions. [2018-12-09 12:34:50,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:50,480 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 12:34:50,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:50,481 INFO L225 Difference]: With dead ends: 174 [2018-12-09 12:34:50,481 INFO L226 Difference]: Without dead ends: 110 [2018-12-09 12:34:50,481 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 [2018-12-09 12:34:50,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-09 12:34:50,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-09 12:34:50,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-09 12:34:50,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-12-09 12:34:50,488 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 52 [2018-12-09 12:34:50,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:50,488 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-12-09 12:34:50,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:50,488 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-12-09 12:34:50,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-09 12:34:50,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:50,489 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] [2018-12-09 12:34:50,489 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:50,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:50,490 INFO L82 PathProgramCache]: Analyzing trace with hash -1567163444, now seen corresponding path program 1 times [2018-12-09 12:34:50,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:50,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:50,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:50,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:50,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:50,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:34:50,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:50,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:34:50,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:34:50,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:34:50,573 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 7 states. [2018-12-09 12:34:50,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:50,793 INFO L93 Difference]: Finished difference Result 325 states and 393 transitions. [2018-12-09 12:34:50,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:34:50,794 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-09 12:34:50,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:50,796 INFO L225 Difference]: With dead ends: 325 [2018-12-09 12:34:50,796 INFO L226 Difference]: Without dead ends: 243 [2018-12-09 12:34:50,796 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 [2018-12-09 12:34:50,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-12-09 12:34:50,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 223. [2018-12-09 12:34:50,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-12-09 12:34:50,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 268 transitions. [2018-12-09 12:34:50,813 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 268 transitions. Word has length 56 [2018-12-09 12:34:50,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:50,814 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 268 transitions. [2018-12-09 12:34:50,814 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:34:50,814 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 268 transitions. [2018-12-09 12:34:50,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-09 12:34:50,815 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:50,815 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] [2018-12-09 12:34:50,815 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:50,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:50,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1425390959, now seen corresponding path program 1 times [2018-12-09 12:34:50,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:50,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:50,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:50,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:50,867 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:50,867 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:34:50,867 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:50,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:34:50,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:34:50,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:34:50,868 INFO L87 Difference]: Start difference. First operand 223 states and 268 transitions. Second operand 6 states. [2018-12-09 12:34:50,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:50,980 INFO L93 Difference]: Finished difference Result 595 states and 738 transitions. [2018-12-09 12:34:50,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:34:50,980 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-09 12:34:50,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:50,984 INFO L225 Difference]: With dead ends: 595 [2018-12-09 12:34:50,984 INFO L226 Difference]: Without dead ends: 400 [2018-12-09 12:34:50,985 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:34:50,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2018-12-09 12:34:51,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 394. [2018-12-09 12:34:51,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2018-12-09 12:34:51,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 476 transitions. [2018-12-09 12:34:51,016 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 476 transitions. Word has length 62 [2018-12-09 12:34:51,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,016 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 476 transitions. [2018-12-09 12:34:51,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:34:51,017 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 476 transitions. [2018-12-09 12:34:51,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 12:34:51,019 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,019 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] [2018-12-09 12:34:51,019 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,020 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,020 INFO L82 PathProgramCache]: Analyzing trace with hash -165625557, now seen corresponding path program 1 times [2018-12-09 12:34:51,020 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:51,020 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,021 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,021 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,021 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:51,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:51,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 12:34:51,097 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:51,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 12:34:51,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 12:34:51,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:34:51,099 INFO L87 Difference]: Start difference. First operand 394 states and 476 transitions. Second operand 7 states. [2018-12-09 12:34:51,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:51,429 INFO L93 Difference]: Finished difference Result 1033 states and 1340 transitions. [2018-12-09 12:34:51,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 12:34:51,429 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-09 12:34:51,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:51,432 INFO L225 Difference]: With dead ends: 1033 [2018-12-09 12:34:51,432 INFO L226 Difference]: Without dead ends: 667 [2018-12-09 12:34:51,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:34:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2018-12-09 12:34:51,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 583. [2018-12-09 12:34:51,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 583 states. [2018-12-09 12:34:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 705 transitions. [2018-12-09 12:34:51,474 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 705 transitions. Word has length 66 [2018-12-09 12:34:51,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,475 INFO L480 AbstractCegarLoop]: Abstraction has 583 states and 705 transitions. [2018-12-09 12:34:51,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 12:34:51,475 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 705 transitions. [2018-12-09 12:34:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:34:51,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,477 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:51,477 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,477 INFO L82 PathProgramCache]: Analyzing trace with hash 945801134, now seen corresponding path program 1 times [2018-12-09 12:34:51,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:51,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:51,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:51,536 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,536 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:34:51,536 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:51,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:34:51,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:34:51,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:34:51,536 INFO L87 Difference]: Start difference. First operand 583 states and 705 transitions. Second operand 6 states. [2018-12-09 12:34:51,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:51,582 INFO L93 Difference]: Finished difference Result 1158 states and 1424 transitions. [2018-12-09 12:34:51,582 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 12:34:51,582 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-09 12:34:51,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:51,584 INFO L225 Difference]: With dead ends: 1158 [2018-12-09 12:34:51,584 INFO L226 Difference]: Without dead ends: 603 [2018-12-09 12:34:51,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 12:34:51,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 603 states. [2018-12-09 12:34:51,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 603 to 603. [2018-12-09 12:34:51,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 603 states. [2018-12-09 12:34:51,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 725 transitions. [2018-12-09 12:34:51,603 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 725 transitions. Word has length 83 [2018-12-09 12:34:51,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,604 INFO L480 AbstractCegarLoop]: Abstraction has 603 states and 725 transitions. [2018-12-09 12:34:51,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:34:51,604 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 725 transitions. [2018-12-09 12:34:51,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:34:51,605 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,605 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:51,605 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1962962768, now seen corresponding path program 1 times [2018-12-09 12:34:51,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,606 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:51,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:51,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 12:34:51,660 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:51,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:34:51,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:34:51,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:34:51,661 INFO L87 Difference]: Start difference. First operand 603 states and 725 transitions. Second operand 8 states. [2018-12-09 12:34:51,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:51,694 INFO L93 Difference]: Finished difference Result 1206 states and 1494 transitions. [2018-12-09 12:34:51,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 12:34:51,694 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-09 12:34:51,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:51,696 INFO L225 Difference]: With dead ends: 1206 [2018-12-09 12:34:51,696 INFO L226 Difference]: Without dead ends: 631 [2018-12-09 12:34:51,697 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 12:34:51,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 631 states. [2018-12-09 12:34:51,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 631 to 619. [2018-12-09 12:34:51,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-09 12:34:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 741 transitions. [2018-12-09 12:34:51,714 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 741 transitions. Word has length 83 [2018-12-09 12:34:51,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,714 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 741 transitions. [2018-12-09 12:34:51,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:34:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 741 transitions. [2018-12-09 12:34:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 12:34:51,715 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,715 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:51,716 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,716 INFO L82 PathProgramCache]: Analyzing trace with hash 148327601, now seen corresponding path program 1 times [2018-12-09 12:34:51,716 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:51,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:51,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 12:34:51,763 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:51,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 12:34:51,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 12:34:51,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:34:51,764 INFO L87 Difference]: Start difference. First operand 619 states and 741 transitions. Second operand 4 states. [2018-12-09 12:34:51,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:51,890 INFO L93 Difference]: Finished difference Result 2025 states and 2548 transitions. [2018-12-09 12:34:51,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 12:34:51,890 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-12-09 12:34:51,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:51,894 INFO L225 Difference]: With dead ends: 2025 [2018-12-09 12:34:51,894 INFO L226 Difference]: Without dead ends: 1434 [2018-12-09 12:34:51,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 12:34:51,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1434 states. [2018-12-09 12:34:51,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1434 to 1403. [2018-12-09 12:34:51,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1403 states. [2018-12-09 12:34:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1403 states and 1715 transitions. [2018-12-09 12:34:51,941 INFO L78 Accepts]: Start accepts. Automaton has 1403 states and 1715 transitions. Word has length 83 [2018-12-09 12:34:51,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:51,941 INFO L480 AbstractCegarLoop]: Abstraction has 1403 states and 1715 transitions. [2018-12-09 12:34:51,941 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 12:34:51,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1715 transitions. [2018-12-09 12:34:51,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-09 12:34:51,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:51,943 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:51,943 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:51,943 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:51,943 INFO L82 PathProgramCache]: Analyzing trace with hash 22146487, now seen corresponding path program 1 times [2018-12-09 12:34:51,943 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:51,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:51,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:51,944 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:34:51,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:34:51,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:34:51,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:34:51,971 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:34:51,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:34:51,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:34:51,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:51,972 INFO L87 Difference]: Start difference. First operand 1403 states and 1715 transitions. Second operand 3 states. [2018-12-09 12:34:52,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:34:52,026 INFO L93 Difference]: Finished difference Result 2154 states and 2709 transitions. [2018-12-09 12:34:52,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:34:52,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-12-09 12:34:52,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:34:52,032 INFO L225 Difference]: With dead ends: 2154 [2018-12-09 12:34:52,032 INFO L226 Difference]: Without dead ends: 2151 [2018-12-09 12:34:52,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:34:52,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2151 states. [2018-12-09 12:34:52,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2151 to 1789. [2018-12-09 12:34:52,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1789 states. [2018-12-09 12:34:52,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1789 states to 1789 states and 2250 transitions. [2018-12-09 12:34:52,096 INFO L78 Accepts]: Start accepts. Automaton has 1789 states and 2250 transitions. Word has length 87 [2018-12-09 12:34:52,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:34:52,097 INFO L480 AbstractCegarLoop]: Abstraction has 1789 states and 2250 transitions. [2018-12-09 12:34:52,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:34:52,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2250 transitions. [2018-12-09 12:34:52,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 12:34:52,100 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:34:52,100 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:34:52,101 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:34:52,101 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:34:52,101 INFO L82 PathProgramCache]: Analyzing trace with hash 946228658, now seen corresponding path program 1 times [2018-12-09 12:34:52,101 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:34:52,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:52,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:34:52,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:34:52,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:34:52,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:34:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 12:34:52,186 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 12:34:52,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:34:52 BoogieIcfgContainer [2018-12-09 12:34:52,270 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:34:52,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:34:52,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:34:52,271 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:34:52,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:34:50" (3/4) ... [2018-12-09 12:34:52,272 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 12:34:52,372 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_338a9240-a45d-410d-a33c-76dfc7b8bfd5/bin-2019/utaipan/witness.graphml [2018-12-09 12:34:52,372 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:34:52,373 INFO L168 Benchmark]: Toolchain (without parser) took 2902.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 211.3 MB). Free memory was 947.0 MB in the beginning and 795.3 MB in the end (delta: 151.7 MB). Peak memory consumption was 362.9 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:52,373 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: Boogie Preprocessor took 22.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: RCFGBuilder took 286.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: TraceAbstraction took 2194.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 837.7 MB in the end (delta: 208.0 MB). Peak memory consumption was 299.8 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:52,374 INFO L168 Benchmark]: Witness Printer took 101.67 ms. Allocated memory is still 1.2 GB. Free memory was 837.7 MB in the beginning and 795.3 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-12-09 12:34:52,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 274.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -149.1 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.12 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 286.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2194.73 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 91.8 MB). Free memory was 1.0 GB in the beginning and 837.7 MB in the end (delta: 208.0 MB). Peak memory consumption was 299.8 MB. Max. memory is 11.5 GB. * Witness Printer took 101.67 ms. Allocated memory is still 1.2 GB. Free memory was 837.7 MB in the beginning and 795.3 MB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 736]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L416] int pumpRunning = 0; [L417] int systemActive = 1; [L655] int methAndRunningLastTime ; [L741] int cleanupTimeShifts = 4; [L839] int waterLevel = 1; [L840] int methaneLevelCritical = 0; [L815] int retValue_acc ; [L816] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L820] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L821] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L822] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L723] int retValue_acc ; [L726] retValue_acc = 1 [L727] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L822] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L822] tmp = valid_product() [L824] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L826] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L827] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L660] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L808] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L809] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L588] int splverifierCounter ; [L589] int tmp ; [L590] int tmp___0 ; [L591] int tmp___1 ; [L592] int tmp___2 ; [L595] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L597] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L599] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L605] tmp = __VERIFIER_nondet_int() [L607] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L609] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L857] COND TRUE waterLevel < 2 [L858] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L609] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L619] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L869] COND FALSE !(\read(methaneLevelCritical)) [L872] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L619] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L642] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L424] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L431] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L433] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L453] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L456] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L550] int retValue_acc ; [L551] int tmp ; [L552] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L556] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L919] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L922] COND FALSE !(waterLevel < 2) [L926] retValue_acc = 0 [L927] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L556] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L556] tmp = isHighWaterSensorDry() [L558] COND FALSE !(\read(tmp)) [L561] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L563] retValue_acc = tmp___0 [L564] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L458] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L458] tmp = isHighWaterLevel() [L460] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L462] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L481] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L462] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L433] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L439] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L665] int tmp ; [L666] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L670] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L670] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L674] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L674] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L677] COND FALSE !(\read(methAndRunningLastTime)) [L682] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L439] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L642] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L597] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L599] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L605] tmp = __VERIFIER_nondet_int() [L607] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L615] tmp___0 = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L625] tmp___2 = __VERIFIER_nondet_int() [L627] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L642] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L424] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L426] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L845] COND TRUE waterLevel > 0 [L846] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L426] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L431] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L433] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L453] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L456] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L471] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L433] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L439] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L665] int tmp ; [L666] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L878] int retValue_acc ; [L881] retValue_acc = methaneLevelCritical [L882] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L670] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L670] tmp = isMethaneLevelCritical() [L672] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L505] int retValue_acc ; [L508] retValue_acc = pumpRunning [L509] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L674] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L674] tmp___0 = isPumpRunning() [L676] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L677] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L679] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L736] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 132 locations, 1 error locations. UNSAFE Result, 2.1s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1294 SDtfs, 710 SDslu, 2873 SDs, 0 SdLazy, 754 SolverSat, 110 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1789occurred in iteration=9, 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: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 515 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 752 NumberOfCodeBlocks, 752 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 614 ConstructedInterpolants, 0 QuantifiedInterpolants, 71458 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...