./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_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_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/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 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:14:12,964 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 13:14:12,965 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 13:14:12,970 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 13:14:12,971 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 13:14:12,971 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 13:14:12,972 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 13:14:12,972 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 13:14:12,973 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 13:14:12,974 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 13:14:12,974 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 13:14:12,974 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 13:14:12,975 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 13:14:12,975 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 13:14:12,976 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 13:14:12,976 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 13:14:12,977 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 13:14:12,978 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 13:14:12,979 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 13:14:12,979 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 13:14:12,980 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 13:14:12,981 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 13:14:12,982 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 13:14:12,982 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 13:14:12,982 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 13:14:12,982 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 13:14:12,983 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 13:14:12,983 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 13:14:12,984 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 13:14:12,984 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 13:14:12,984 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 13:14:12,985 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 13:14:12,985 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 13:14:12,985 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 13:14:12,985 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 13:14:12,986 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 13:14:12,986 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 13:14:12,993 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 13:14:12,993 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 13:14:12,994 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 13:14:12,994 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 13:14:12,994 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 13:14:12,995 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 13:14:12,995 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 13:14:12,995 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 13:14:12,995 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 13:14:12,995 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 13:14:12,995 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 13:14:12,996 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 13:14:12,997 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 13:14:12,997 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 13:14:12,997 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 13:14:12,998 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 13:14:12,998 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 13:14:12,998 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 13:14:12,998 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 13:14:12,998 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_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/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 -> 63b48aee14c7431a4aa25f8de4f2dd8129d50ad4 [2018-12-09 13:14:13,016 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 13:14:13,024 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 13:14:13,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 13:14:13,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 13:14:13,028 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 13:14:13,029 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-09 13:14:13,072 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/data/8d9048105/9f989dc128ee440cb90d254f634c123d/FLAG891ae2d92 [2018-12-09 13:14:13,479 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 13:14:13,479 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/sv-benchmarks/c/product-lines/minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-09 13:14:13,485 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/data/8d9048105/9f989dc128ee440cb90d254f634c123d/FLAG891ae2d92 [2018-12-09 13:14:13,494 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/data/8d9048105/9f989dc128ee440cb90d254f634c123d [2018-12-09 13:14:13,495 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 13:14:13,496 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 13:14:13,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 13:14:13,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 13:14:13,499 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 13:14:13,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13, skipping insertion in model container [2018-12-09 13:14:13,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,505 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 13:14:13,525 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 13:14:13,669 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:14:13,709 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 13:14:13,758 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 13:14:13,773 INFO L195 MainTranslator]: Completed translation [2018-12-09 13:14:13,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13 WrapperNode [2018-12-09 13:14:13,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 13:14:13,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 13:14:13,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 13:14:13,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 13:14:13,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 13:14:13,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 13:14:13,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 13:14:13,795 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 13:14:13,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,804 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,804 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,814 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... [2018-12-09 13:14:13,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 13:14:13,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 13:14:13,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 13:14:13,818 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 13:14:13,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/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 13:14:13,852 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 13:14:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 13:14:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 13:14:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 13:14:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 13:14:13,853 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 13:14:13,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 13:14:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 13:14:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 13:14:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 13:14:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 13:14:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 13:14:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 13:14:13,854 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 13:14:13,854 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 13:14:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 13:14:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 13:14:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 13:14:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 13:14:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 13:14:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 13:14:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 13:14:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 13:14:13,855 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 13:14:13,855 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 13:14:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 13:14:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 13:14:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 13:14:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 13:14:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 13:14:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 13:14:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 13:14:13,856 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 13:14:13,856 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 13:14:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 13:14:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 13:14:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 13:14:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 13:14:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 13:14:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 13:14:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 13:14:13,857 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 13:14:13,857 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 13:14:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 13:14:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 13:14:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 13:14:13,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 13:14:13,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 13:14:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 13:14:13,859 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 13:14:13,859 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 13:14:14,134 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 13:14:14,134 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 13:14:14,135 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:14 BoogieIcfgContainer [2018-12-09 13:14:14,135 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 13:14:14,136 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 13:14:14,136 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 13:14:14,138 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 13:14:14,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:14:13" (1/3) ... [2018-12-09 13:14:14,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4fa28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:14:14, skipping insertion in model container [2018-12-09 13:14:14,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:14:13" (2/3) ... [2018-12-09 13:14:14,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b4fa28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:14:14, skipping insertion in model container [2018-12-09 13:14:14,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:14" (3/3) ... [2018-12-09 13:14:14,141 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product43_false-unreach-call_false-termination.cil.c [2018-12-09 13:14:14,149 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 13:14:14,153 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 13:14:14,162 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 13:14:14,181 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 13:14:14,181 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 13:14:14,181 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 13:14:14,181 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 13:14:14,181 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 13:14:14,181 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 13:14:14,181 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 13:14:14,181 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 13:14:14,192 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-09 13:14:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 13:14:14,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:14,197 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:14,198 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:14,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:14,202 INFO L82 PathProgramCache]: Analyzing trace with hash -184128027, now seen corresponding path program 1 times [2018-12-09 13:14:14,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:14,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:14,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:14,336 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 13:14:14,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:14,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 13:14:14,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:14,341 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 13:14:14,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 13:14:14,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 13:14:14,350 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-09 13:14:14,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:14,372 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-09 13:14:14,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 13:14:14,373 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 13:14:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:14,380 INFO L225 Difference]: With dead ends: 252 [2018-12-09 13:14:14,380 INFO L226 Difference]: Without dead ends: 126 [2018-12-09 13:14:14,382 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 13:14:14,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-09 13:14:14,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-09 13:14:14,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-09 13:14:14,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-09 13:14:14,411 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-09 13:14:14,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:14,411 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-09 13:14:14,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 13:14:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-09 13:14:14,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 13:14:14,413 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:14,413 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:14,413 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:14,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:14,414 INFO L82 PathProgramCache]: Analyzing trace with hash 19630979, now seen corresponding path program 1 times [2018-12-09 13:14:14,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:14,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:14,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:14,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:14,462 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 13:14:14,462 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:14,462 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 13:14:14,462 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:14,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 13:14:14,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 13:14:14,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 13:14:14,464 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-09 13:14:14,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:14,476 INFO L93 Difference]: Finished difference Result 192 states and 223 transitions. [2018-12-09 13:14:14,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 13:14:14,476 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 13:14:14,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:14,477 INFO L225 Difference]: With dead ends: 192 [2018-12-09 13:14:14,477 INFO L226 Difference]: Without dead ends: 117 [2018-12-09 13:14:14,478 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 13:14:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-09 13:14:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-09 13:14:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-09 13:14:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-09 13:14:14,486 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-09 13:14:14,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:14,486 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-09 13:14:14,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 13:14:14,486 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-09 13:14:14,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 13:14:14,487 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:14,487 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 13:14:14,487 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:14,487 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:14,487 INFO L82 PathProgramCache]: Analyzing trace with hash 611754136, now seen corresponding path program 1 times [2018-12-09 13:14:14,487 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:14,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,488 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:14,488 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,488 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:14,565 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 13:14:14,565 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:14,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:14:14,566 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:14,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:14:14,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:14:14,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:14:14,567 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-09 13:14:14,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:14,776 INFO L93 Difference]: Finished difference Result 353 states and 423 transitions. [2018-12-09 13:14:14,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 13:14:14,777 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 13:14:14,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:14,780 INFO L225 Difference]: With dead ends: 353 [2018-12-09 13:14:14,780 INFO L226 Difference]: Without dead ends: 260 [2018-12-09 13:14:14,781 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 13:14:14,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-12-09 13:14:14,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 240. [2018-12-09 13:14:14,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2018-12-09 13:14:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 286 transitions. [2018-12-09 13:14:14,810 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 286 transitions. Word has length 51 [2018-12-09 13:14:14,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:14,810 INFO L480 AbstractCegarLoop]: Abstraction has 240 states and 286 transitions. [2018-12-09 13:14:14,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:14:14,811 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 286 transitions. [2018-12-09 13:14:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 13:14:14,812 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:14,813 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:14,813 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:14,813 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:14,813 INFO L82 PathProgramCache]: Analyzing trace with hash -560090356, now seen corresponding path program 1 times [2018-12-09 13:14:14,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:14,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:14,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:14,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:14,905 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 13:14:14,906 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:14,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:14:14,906 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:14,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:14:14,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:14:14,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:14:14,907 INFO L87 Difference]: Start difference. First operand 240 states and 286 transitions. Second operand 6 states. [2018-12-09 13:14:15,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:15,032 INFO L93 Difference]: Finished difference Result 657 states and 806 transitions. [2018-12-09 13:14:15,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:14:15,033 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 13:14:15,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:15,036 INFO L225 Difference]: With dead ends: 657 [2018-12-09 13:14:15,036 INFO L226 Difference]: Without dead ends: 441 [2018-12-09 13:14:15,037 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 13:14:15,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2018-12-09 13:14:15,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 435. [2018-12-09 13:14:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2018-12-09 13:14:15,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 522 transitions. [2018-12-09 13:14:15,068 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 522 transitions. Word has length 57 [2018-12-09 13:14:15,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:15,069 INFO L480 AbstractCegarLoop]: Abstraction has 435 states and 522 transitions. [2018-12-09 13:14:15,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:14:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 522 transitions. [2018-12-09 13:14:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 13:14:15,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:15,071 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] [2018-12-09 13:14:15,071 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:15,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash -165783568, now seen corresponding path program 1 times [2018-12-09 13:14:15,071 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:15,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:15,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:15,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:15,150 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 13:14:15,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:15,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 13:14:15,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:15,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 13:14:15,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 13:14:15,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 13:14:15,152 INFO L87 Difference]: Start difference. First operand 435 states and 522 transitions. Second operand 7 states. [2018-12-09 13:14:15,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:15,512 INFO L93 Difference]: Finished difference Result 1128 states and 1443 transitions. [2018-12-09 13:14:15,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 13:14:15,512 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 13:14:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:15,515 INFO L225 Difference]: With dead ends: 1128 [2018-12-09 13:14:15,515 INFO L226 Difference]: Without dead ends: 717 [2018-12-09 13:14:15,516 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 13:14:15,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-09 13:14:15,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 633. [2018-12-09 13:14:15,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 633 states. [2018-12-09 13:14:15,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 761 transitions. [2018-12-09 13:14:15,546 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 761 transitions. Word has length 61 [2018-12-09 13:14:15,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:15,547 INFO L480 AbstractCegarLoop]: Abstraction has 633 states and 761 transitions. [2018-12-09 13:14:15,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 13:14:15,547 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 761 transitions. [2018-12-09 13:14:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 13:14:15,549 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:15,549 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:15,549 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:15,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:15,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1529417656, now seen corresponding path program 1 times [2018-12-09 13:14:15,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:15,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:15,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:15,614 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:14:15,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:15,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 13:14:15,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:15,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 13:14:15,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 13:14:15,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 13:14:15,615 INFO L87 Difference]: Start difference. First operand 633 states and 761 transitions. Second operand 6 states. [2018-12-09 13:14:15,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:15,657 INFO L93 Difference]: Finished difference Result 1270 states and 1570 transitions. [2018-12-09 13:14:15,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 13:14:15,658 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-09 13:14:15,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:15,661 INFO L225 Difference]: With dead ends: 1270 [2018-12-09 13:14:15,661 INFO L226 Difference]: Without dead ends: 661 [2018-12-09 13:14:15,662 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 13:14:15,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 661 states. [2018-12-09 13:14:15,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 661 to 653. [2018-12-09 13:14:15,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-12-09 13:14:15,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 781 transitions. [2018-12-09 13:14:15,695 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 781 transitions. Word has length 93 [2018-12-09 13:14:15,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:15,695 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 781 transitions. [2018-12-09 13:14:15,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 13:14:15,695 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 781 transitions. [2018-12-09 13:14:15,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 13:14:15,697 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:15,698 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:15,698 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:15,698 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:15,698 INFO L82 PathProgramCache]: Analyzing trace with hash 632024378, now seen corresponding path program 1 times [2018-12-09 13:14:15,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:15,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:15,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,699 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:14:15,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:15,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 13:14:15,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:15,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 13:14:15,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 13:14:15,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 13:14:15,773 INFO L87 Difference]: Start difference. First operand 653 states and 781 transitions. Second operand 8 states. [2018-12-09 13:14:15,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:15,811 INFO L93 Difference]: Finished difference Result 1310 states and 1610 transitions. [2018-12-09 13:14:15,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 13:14:15,812 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-09 13:14:15,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:15,814 INFO L225 Difference]: With dead ends: 1310 [2018-12-09 13:14:15,815 INFO L226 Difference]: Without dead ends: 681 [2018-12-09 13:14:15,816 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 13:14:15,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2018-12-09 13:14:15,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 669. [2018-12-09 13:14:15,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 669 states. [2018-12-09 13:14:15,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 669 states and 797 transitions. [2018-12-09 13:14:15,846 INFO L78 Accepts]: Start accepts. Automaton has 669 states and 797 transitions. Word has length 93 [2018-12-09 13:14:15,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:15,846 INFO L480 AbstractCegarLoop]: Abstraction has 669 states and 797 transitions. [2018-12-09 13:14:15,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 13:14:15,846 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 797 transitions. [2018-12-09 13:14:15,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 13:14:15,848 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:15,848 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:15,848 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:15,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:15,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1692003461, now seen corresponding path program 1 times [2018-12-09 13:14:15,848 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:15,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:15,849 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:15,849 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:15,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:15,905 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 13:14:15,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 13:14:15,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 13:14:15,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:15,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 13:14:15,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 13:14:15,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 13:14:15,906 INFO L87 Difference]: Start difference. First operand 669 states and 797 transitions. Second operand 4 states. [2018-12-09 13:14:16,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:16,040 INFO L93 Difference]: Finished difference Result 2127 states and 2660 transitions. [2018-12-09 13:14:16,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 13:14:16,040 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-09 13:14:16,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:16,046 INFO L225 Difference]: With dead ends: 2127 [2018-12-09 13:14:16,046 INFO L226 Difference]: Without dead ends: 1482 [2018-12-09 13:14:16,048 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 13:14:16,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2018-12-09 13:14:16,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 1451. [2018-12-09 13:14:16,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1451 states. [2018-12-09 13:14:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1451 states and 1767 transitions. [2018-12-09 13:14:16,120 INFO L78 Accepts]: Start accepts. Automaton has 1451 states and 1767 transitions. Word has length 93 [2018-12-09 13:14:16,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:16,120 INFO L480 AbstractCegarLoop]: Abstraction has 1451 states and 1767 transitions. [2018-12-09 13:14:16,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 13:14:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1767 transitions. [2018-12-09 13:14:16,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 13:14:16,123 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:16,123 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:16,124 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:16,124 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:16,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1486305825, now seen corresponding path program 1 times [2018-12-09 13:14:16,124 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:16,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:16,125 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:16,125 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:16,125 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:16,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 13:14:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 13:14:16,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 13:14:16,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 13:14:16,231 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 98 with the following transitions: [2018-12-09 13:14:16,232 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [32], [34], [35], [38], [41], [43], [46], [56], [57], [61], [62], [64], [73], [77], [81], [84], [89], [92], [97], [100], [116], [117], [118], [119], [120], [122], [127], [130], [131], [133], [138], [140], [141], [146], [148], [180], [184], [191], [192], [200], [206], [210], [211], [214], [216], [219], [221], [224], [233], [234], [235], [236], [237], [238], [239], [240], [241], [245], [247], [248], [249], [250], [251], [252], [257], [258], [259], [260], [263], [267], [268], [269], [270], [271], [272], [279], [280], [281], [283], [284], [285], [287], [288], [289], [290], [291] [2018-12-09 13:14:16,264 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 13:14:16,264 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 13:14:16,511 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 13:14:16,512 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2467 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2467 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 13:14:16,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:16,524 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 13:14:16,681 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 97.26% of their original sizes. [2018-12-09 13:14:16,681 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 13:14:16,797 INFO L418 sIntCurrentIteration]: We unified 96 AI predicates to 96 [2018-12-09 13:14:16,797 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 13:14:16,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 13:14:16,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-12-09 13:14:16,797 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 13:14:16,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 13:14:16,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 13:14:16,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-09 13:14:16,798 INFO L87 Difference]: Start difference. First operand 1451 states and 1767 transitions. Second operand 18 states. [2018-12-09 13:14:19,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 13:14:19,755 INFO L93 Difference]: Finished difference Result 3171 states and 3912 transitions. [2018-12-09 13:14:19,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 13:14:19,755 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 97 [2018-12-09 13:14:19,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 13:14:19,759 INFO L225 Difference]: With dead ends: 3171 [2018-12-09 13:14:19,759 INFO L226 Difference]: Without dead ends: 1744 [2018-12-09 13:14:19,762 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 115 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 13:14:19,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1744 states. [2018-12-09 13:14:19,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1744 to 1727. [2018-12-09 13:14:19,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1727 states. [2018-12-09 13:14:19,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1727 states and 2032 transitions. [2018-12-09 13:14:19,806 INFO L78 Accepts]: Start accepts. Automaton has 1727 states and 2032 transitions. Word has length 97 [2018-12-09 13:14:19,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 13:14:19,806 INFO L480 AbstractCegarLoop]: Abstraction has 1727 states and 2032 transitions. [2018-12-09 13:14:19,806 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 13:14:19,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2032 transitions. [2018-12-09 13:14:19,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 13:14:19,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 13:14:19,809 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 13:14:19,809 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 13:14:19,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 13:14:19,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1406219486, now seen corresponding path program 1 times [2018-12-09 13:14:19,809 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 13:14:19,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:19,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 13:14:19,810 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 13:14:19,810 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 13:14:19,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:14:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 13:14:19,910 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 13:14:19,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:14:19 BoogieIcfgContainer [2018-12-09 13:14:19,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 13:14:19,997 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 13:14:19,997 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 13:14:19,997 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 13:14:19,998 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:14:14" (3/4) ... [2018-12-09 13:14:19,999 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 13:14:20,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1565666f-ad95-4ae1-bb8e-e5e17b3cdb8a/bin-2019/utaipan/witness.graphml [2018-12-09 13:14:20,076 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 13:14:20,077 INFO L168 Benchmark]: Toolchain (without parser) took 6580.95 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.2 MB). Free memory was 953.5 MB in the beginning and 1.2 GB in the end (delta: -258.3 MB). Peak memory consumption was 68.9 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,077 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 13:14:20,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -96.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,078 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.81 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 13:14:20,078 INFO L168 Benchmark]: Boogie Preprocessor took 23.22 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,078 INFO L168 Benchmark]: RCFGBuilder took 316.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.9 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,078 INFO L168 Benchmark]: TraceAbstraction took 5861.31 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 998.9 MB in the beginning and 1.2 GB in the end (delta: -246.0 MB). Peak memory consumption was 434.5 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,079 INFO L168 Benchmark]: Witness Printer took 78.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 13:14:20,080 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 71.8 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -96.7 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.81 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 23.22 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 316.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 998.9 MB in the end (delta: 47.5 MB). Peak memory consumption was 47.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5861.31 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 255.3 MB). Free memory was 998.9 MB in the beginning and 1.2 GB in the end (delta: -246.0 MB). Peak memory consumption was 434.5 MB. Max. memory is 11.5 GB. * Witness Printer took 78.89 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 405]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L147] int pumpRunning = 0; [L148] int systemActive = 1; [L436] int cleanupTimeShifts = 4; [L704] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L512] int retValue_acc ; [L513] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L517] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L518] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L519] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L927] int retValue_acc ; [L930] retValue_acc = 1 [L931] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L519] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L519] tmp = valid_product() [L521] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L523] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L524] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L503] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L335] int splverifierCounter ; [L336] int tmp ; [L337] int tmp___0 ; [L338] int tmp___1 ; [L339] int tmp___2 ; [L342] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L352] tmp = __VERIFIER_nondet_int() [L354] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L356] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L356] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L155] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L187] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L299] int retValue_acc ; [L300] int tmp ; [L301] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L305] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L305] tmp = isHighWaterSensorDry() [L307] COND FALSE !(\read(tmp)) [L310] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L312] retValue_acc = tmp___0 [L313] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L189] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L189] tmp = isHighWaterLevel() [L191] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L193] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L218] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L243] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L247] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L247] retValue_acc = isMethaneLevelCritical() [L249] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L222] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L222] tmp = isMethaneAlarm() [L224] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L228] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L212] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L228] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L193] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=2] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L416] tmp = isMethaneLevelCritical() [L418] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L170] RET __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L389] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L344] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L346] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L352] tmp = __VERIFIER_nondet_int() [L354] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L362] tmp___0 = __VERIFIER_nondet_int() [L364] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L366] CALL changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L366] RET changeMethaneLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L372] tmp___2 = __VERIFIER_nondet_int() [L374] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L389] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L155] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L157] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L157] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L162] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L184] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L187] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L202] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L164] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L170] CALL __utac_acc__Specification1_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L411] int tmp ; [L412] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L416] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L416] tmp = isMethaneLevelCritical() [L418] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L254] int retValue_acc ; [L257] retValue_acc = pumpRunning [L258] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L420] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L420] tmp___0 = isPumpRunning() [L422] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L424] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L405] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. UNSAFE Result, 5.8s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1603 SDtfs, 1063 SDslu, 4690 SDs, 0 SdLazy, 1202 SolverSat, 176 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 189 GetRequests, 113 SyntacticMatches, 1 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 243 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1727occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9967521548646078 AbsIntWeakeningRatio, 1.1145833333333333 AbsIntAvgWeakeningVarsNumRemoved, 83.69791666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 178 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 770 NumberOfCodeBlocks, 770 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 75807 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 10/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...