./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product59_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_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product59_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/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 fb1767f688fc9701e1f3b125f3120ace113b61a7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:13:50,130 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:13:50,131 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:13:50,139 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:13:50,139 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:13:50,140 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:13:50,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:13:50,142 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:13:50,143 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:13:50,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:13:50,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:13:50,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:13:50,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:13:50,146 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:13:50,147 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:13:50,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:13:50,148 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:13:50,149 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:13:50,150 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:13:50,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:13:50,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:13:50,153 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:13:50,155 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:13:50,155 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:13:50,155 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:13:50,156 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:13:50,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:13:50,157 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:13:50,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:13:50,158 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:13:50,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:13:50,159 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:13:50,159 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:13:50,159 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:13:50,160 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:13:50,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:13:50,161 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:13:50,171 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:13:50,171 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:13:50,172 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:13:50,172 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:13:50,172 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:13:50,172 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:13:50,172 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:13:50,172 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:13:50,173 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:13:50,173 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:13:50,173 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:13:50,173 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:13:50,173 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:13:50,173 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:13:50,174 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:13:50,175 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:13:50,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:13:50,176 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:13:50,176 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:13:50,176 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_3a967f6e-a2f2-498c-a80d-abe85331edbc/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 -> fb1767f688fc9701e1f3b125f3120ace113b61a7 [2018-12-09 01:13:50,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:13:50,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:13:50,208 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:13:50,209 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:13:50,210 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:13:50,210 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product59_false-unreach-call_false-termination.cil.c [2018-12-09 01:13:50,254 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/data/e84080986/736967b0a746415e9889066358553b8e/FLAG948a0e8b1 [2018-12-09 01:13:50,734 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:13:50,735 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/sv-benchmarks/c/product-lines/minepump_spec3_product59_false-unreach-call_false-termination.cil.c [2018-12-09 01:13:50,744 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/data/e84080986/736967b0a746415e9889066358553b8e/FLAG948a0e8b1 [2018-12-09 01:13:50,754 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/data/e84080986/736967b0a746415e9889066358553b8e [2018-12-09 01:13:50,756 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:13:50,757 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:13:50,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:13:50,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:13:50,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:13:50,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:13:50" (1/1) ... [2018-12-09 01:13:50,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:50, skipping insertion in model container [2018-12-09 01:13:50,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:13:50" (1/1) ... [2018-12-09 01:13:50,765 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:13:50,785 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:13:50,929 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:13:50,970 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:13:51,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:13:51,041 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:13:51,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51 WrapperNode [2018-12-09 01:13:51,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:13:51,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:13:51,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:13:51,042 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:13:51,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:13:51,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:13:51,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:13:51,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:13:51,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,077 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,091 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,093 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... [2018-12-09 01:13:51,096 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:13:51,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:13:51,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:13:51,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:13:51,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/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 01:13:51,129 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 01:13:51,130 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 01:13:51,130 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 01:13:51,131 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 01:13:51,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 01:13:51,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 01:13:51,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 01:13:51,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 01:13:51,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 01:13:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 01:13:51,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:13:51,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:13:51,452 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:13:51,452 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 01:13:51,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:51 BoogieIcfgContainer [2018-12-09 01:13:51,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:13:51,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:13:51,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:13:51,456 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:13:51,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:13:50" (1/3) ... [2018-12-09 01:13:51,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8ba4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:13:51, skipping insertion in model container [2018-12-09 01:13:51,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:13:51" (2/3) ... [2018-12-09 01:13:51,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba8ba4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:13:51, skipping insertion in model container [2018-12-09 01:13:51,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:51" (3/3) ... [2018-12-09 01:13:51,459 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product59_false-unreach-call_false-termination.cil.c [2018-12-09 01:13:51,467 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:13:51,474 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:13:51,485 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:13:51,504 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:13:51,504 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:13:51,504 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:13:51,504 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:13:51,504 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:13:51,504 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:13:51,504 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:13:51,504 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:13:51,516 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states. [2018-12-09 01:13:51,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 01:13:51,521 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:51,522 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:13:51,523 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:51,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:51,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1997020399, now seen corresponding path program 1 times [2018-12-09 01:13:51,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:51,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:51,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:13:51,663 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 01:13:51,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:13:51,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 01:13:51,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:13:51,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 01:13:51,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 01:13:51,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 01:13:51,677 INFO L87 Difference]: Start difference. First operand 165 states. Second operand 2 states. [2018-12-09 01:13:51,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:13:51,701 INFO L93 Difference]: Finished difference Result 304 states and 375 transitions. [2018-12-09 01:13:51,701 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 01:13:51,702 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 01:13:51,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:13:51,709 INFO L225 Difference]: With dead ends: 304 [2018-12-09 01:13:51,709 INFO L226 Difference]: Without dead ends: 152 [2018-12-09 01:13:51,711 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 01:13:51,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-12-09 01:13:51,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-12-09 01:13:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-12-09 01:13:51,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 179 transitions. [2018-12-09 01:13:51,742 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 179 transitions. Word has length 52 [2018-12-09 01:13:51,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:13:51,742 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 179 transitions. [2018-12-09 01:13:51,743 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 01:13:51,743 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 179 transitions. [2018-12-09 01:13:51,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 01:13:51,744 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:51,744 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:13:51,745 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:51,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:51,745 INFO L82 PathProgramCache]: Analyzing trace with hash -101883317, now seen corresponding path program 1 times [2018-12-09 01:13:51,745 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:51,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,746 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:51,746 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,746 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:51,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:13:51,799 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 01:13:51,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:13:51,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 01:13:51,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:13:51,801 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 01:13:51,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 01:13:51,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 01:13:51,801 INFO L87 Difference]: Start difference. First operand 152 states and 179 transitions. Second operand 3 states. [2018-12-09 01:13:51,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:13:51,820 INFO L93 Difference]: Finished difference Result 247 states and 289 transitions. [2018-12-09 01:13:51,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 01:13:51,821 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 01:13:51,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:13:51,823 INFO L225 Difference]: With dead ends: 247 [2018-12-09 01:13:51,823 INFO L226 Difference]: Without dead ends: 143 [2018-12-09 01:13:51,823 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 01:13:51,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-12-09 01:13:51,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-12-09 01:13:51,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-12-09 01:13:51,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-12-09 01:13:51,831 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 53 [2018-12-09 01:13:51,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:13:51,832 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-12-09 01:13:51,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 01:13:51,832 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-12-09 01:13:51,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 01:13:51,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:51,833 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 01:13:51,833 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:51,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:51,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1282073266, now seen corresponding path program 1 times [2018-12-09 01:13:51,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:51,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:51,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:51,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:13:51,915 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 01:13:51,915 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:13:51,915 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:13:51,915 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:13:51,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:13:51,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:13:51,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:13:51,916 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2018-12-09 01:13:52,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:13:52,170 INFO L93 Difference]: Finished difference Result 437 states and 526 transitions. [2018-12-09 01:13:52,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:13:52,170 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 01:13:52,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:13:52,172 INFO L225 Difference]: With dead ends: 437 [2018-12-09 01:13:52,173 INFO L226 Difference]: Without dead ends: 318 [2018-12-09 01:13:52,173 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 01:13:52,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2018-12-09 01:13:52,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 310. [2018-12-09 01:13:52,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2018-12-09 01:13:52,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 373 transitions. [2018-12-09 01:13:52,195 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 373 transitions. Word has length 57 [2018-12-09 01:13:52,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:13:52,195 INFO L480 AbstractCegarLoop]: Abstraction has 310 states and 373 transitions. [2018-12-09 01:13:52,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:13:52,195 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 373 transitions. [2018-12-09 01:13:52,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-09 01:13:52,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:52,197 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:13:52,197 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:52,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:52,197 INFO L82 PathProgramCache]: Analyzing trace with hash 63721207, now seen corresponding path program 1 times [2018-12-09 01:13:52,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:52,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:52,198 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,198 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:13:52,265 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 01:13:52,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:13:52,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:13:52,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:13:52,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:13:52,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:13:52,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:13:52,267 INFO L87 Difference]: Start difference. First operand 310 states and 373 transitions. Second operand 6 states. [2018-12-09 01:13:52,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:13:52,413 INFO L93 Difference]: Finished difference Result 855 states and 1075 transitions. [2018-12-09 01:13:52,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:13:52,413 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-09 01:13:52,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:13:52,415 INFO L225 Difference]: With dead ends: 855 [2018-12-09 01:13:52,415 INFO L226 Difference]: Without dead ends: 569 [2018-12-09 01:13:52,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:13:52,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2018-12-09 01:13:52,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 563. [2018-12-09 01:13:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2018-12-09 01:13:52,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 686 transitions. [2018-12-09 01:13:52,450 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 686 transitions. Word has length 63 [2018-12-09 01:13:52,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:13:52,450 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 686 transitions. [2018-12-09 01:13:52,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:13:52,451 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 686 transitions. [2018-12-09 01:13:52,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 01:13:52,453 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:52,453 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:13:52,454 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:52,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:52,454 INFO L82 PathProgramCache]: Analyzing trace with hash -345893059, now seen corresponding path program 1 times [2018-12-09 01:13:52,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:52,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,454 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:52,454 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:52,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:13:52,503 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 01:13:52,503 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:13:52,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:13:52,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:13:52,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:13:52,504 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:13:52,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:13:52,505 INFO L87 Difference]: Start difference. First operand 563 states and 686 transitions. Second operand 4 states. [2018-12-09 01:13:52,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:13:52,725 INFO L93 Difference]: Finished difference Result 1371 states and 1782 transitions. [2018-12-09 01:13:52,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 01:13:52,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-12-09 01:13:52,726 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:13:52,729 INFO L225 Difference]: With dead ends: 1371 [2018-12-09 01:13:52,729 INFO L226 Difference]: Without dead ends: 832 [2018-12-09 01:13:52,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:13:52,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2018-12-09 01:13:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 737. [2018-12-09 01:13:52,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 737 states. [2018-12-09 01:13:52,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 737 states to 737 states and 893 transitions. [2018-12-09 01:13:52,772 INFO L78 Accepts]: Start accepts. Automaton has 737 states and 893 transitions. Word has length 67 [2018-12-09 01:13:52,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:13:52,772 INFO L480 AbstractCegarLoop]: Abstraction has 737 states and 893 transitions. [2018-12-09 01:13:52,772 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:13:52,772 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 893 transitions. [2018-12-09 01:13:52,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-09 01:13:52,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:13:52,773 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:13:52,773 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:13:52,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:13:52,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1982399613, now seen corresponding path program 1 times [2018-12-09 01:13:52,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:13:52,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:13:52,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:13:52,775 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:13:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:13:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 01:13:52,846 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 01:13:52,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:13:52 BoogieIcfgContainer [2018-12-09 01:13:52,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:13:52,920 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:13:52,920 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:13:52,920 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:13:52,920 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:13:51" (3/4) ... [2018-12-09 01:13:52,922 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-09 01:13:52,991 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3a967f6e-a2f2-498c-a80d-abe85331edbc/bin-2019/utaipan/witness.graphml [2018-12-09 01:13:52,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:13:52,992 INFO L168 Benchmark]: Toolchain (without parser) took 2235.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -169.0 MB). Peak memory consumption was 39.1 MB. Max. memory is 11.5 GB. [2018-12-09 01:13:52,993 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:13:52,993 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 01:13:52,993 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.31 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 01:13:52,994 INFO L168 Benchmark]: Boogie Preprocessor took 29.24 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 01:13:52,994 INFO L168 Benchmark]: RCFGBuilder took 356.96 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. [2018-12-09 01:13:52,994 INFO L168 Benchmark]: TraceAbstraction took 1465.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -107.5 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:13:52,994 INFO L168 Benchmark]: Witness Printer took 71.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:13:52,995 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.92 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -144.5 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.31 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 29.24 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 356.96 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: 57.2 MB). Peak memory consumption was 57.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1465.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 94.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -107.5 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.7 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 694]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L414] int waterLevel = 1; [L415] int methaneLevelCritical = 0; [L517] int cleanupTimeShifts = 4; [L769] int pumpRunning = 0; [L770] int systemActive = 1; [L596] int retValue_acc ; [L597] 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] [L601] 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] [L602] 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] [L603] 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] [L645] int retValue_acc ; [L648] retValue_acc = 1 [L649] 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] [L603] 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] [L603] tmp = valid_product() [L605] 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] [L607] 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] [L608] 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] [L587] 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] [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] 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] [L710] 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] [L712] 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] [L718] tmp = __VERIFIER_nondet_int() [L720] 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] [L722] 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] [L432] COND TRUE waterLevel < 2 [L433] 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] [L722] 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] [L728] tmp___0 = __VERIFIER_nondet_int() [L730] 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] [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L748] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L987] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L994] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L748] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L755] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L776] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L783] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L791] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L663] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L453] int retValue_acc ; [L456] retValue_acc = methaneLevelCritical [L457] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L663] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L669] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L485] int retValue_acc ; [L488] retValue_acc = waterLevel [L489] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L669] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L669] tmp___0 = getWaterLevel() [L671] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L673] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L901] int retValue_acc ; [L904] retValue_acc = pumpRunning [L905] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L673] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L673] tmp___1 = isPumpRunning() [L675] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L679] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L694] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 165 locations, 1 error locations. UNSAFE Result, 1.4s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 903 SDtfs, 626 SDslu, 1574 SDs, 0 SdLazy, 481 SolverSat, 126 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=737occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 109 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 359 NumberOfCodeBlocks, 359 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 287 ConstructedInterpolants, 0 QuantifiedInterpolants, 28893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...