./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product51_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_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product51_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9033da3093a23b8640383fad25d5fd5dfea2cc28 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 [2018-12-01 19:32:42,981 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 19:32:42,982 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 19:32:42,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 19:32:42,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 19:32:42,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 19:32:42,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 19:32:42,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 19:32:42,994 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 19:32:42,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 19:32:42,995 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 19:32:42,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 19:32:42,996 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 19:32:42,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 19:32:42,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 19:32:42,998 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 19:32:42,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 19:32:43,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 19:32:43,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 19:32:43,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 19:32:43,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 19:32:43,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 19:32:43,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 19:32:43,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 19:32:43,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 19:32:43,007 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 19:32:43,008 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 19:32:43,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 19:32:43,009 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 19:32:43,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 19:32:43,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 19:32:43,010 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 19:32:43,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 19:32:43,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 19:32:43,011 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 19:32:43,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 19:32:43,011 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 19:32:43,021 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 19:32:43,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 19:32:43,022 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 19:32:43,022 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 19:32:43,023 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 19:32:43,023 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 19:32:43,023 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 19:32:43,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 19:32:43,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 19:32:43,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:32:43,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 19:32:43,025 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 19:32:43,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 19:32:43,026 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 19:32:43,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 19:32:43,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 19:32:43,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9033da3093a23b8640383fad25d5fd5dfea2cc28 [2018-12-01 19:32:43,048 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 19:32:43,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 19:32:43,060 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 19:32:43,061 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 19:32:43,061 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 19:32:43,062 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product51_false-unreach-call_false-termination.cil.c [2018-12-01 19:32:43,097 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/data/79aecdfd6/23f2b013400d475c974d85d6beb4213c/FLAG011170aeb [2018-12-01 19:32:43,539 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 19:32:43,539 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/sv-benchmarks/c/product-lines/minepump_spec3_product51_false-unreach-call_false-termination.cil.c [2018-12-01 19:32:43,546 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/data/79aecdfd6/23f2b013400d475c974d85d6beb4213c/FLAG011170aeb [2018-12-01 19:32:43,555 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/data/79aecdfd6/23f2b013400d475c974d85d6beb4213c [2018-12-01 19:32:43,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 19:32:43,558 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 19:32:43,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 19:32:43,558 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 19:32:43,561 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 19:32:43,561 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,563 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 01.12 07:32:43, skipping insertion in model container [2018-12-01 19:32:43,563 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,567 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 19:32:43,588 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 19:32:43,734 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:32:43,775 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 19:32:43,826 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 19:32:43,841 INFO L195 MainTranslator]: Completed translation [2018-12-01 19:32:43,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43 WrapperNode [2018-12-01 19:32:43,841 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 19:32:43,842 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 19:32:43,842 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 19:32:43,842 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 19:32:43,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 19:32:43,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 19:32:43,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 19:32:43,862 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 19:32:43,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... [2018-12-01 19:32:43,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 19:32:43,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 19:32:43,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 19:32:43,884 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 19:32:43,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 19:32:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 19:32:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 19:32:43,915 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 19:32:43,915 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 19:32:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 19:32:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 19:32:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 19:32:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 19:32:43,916 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 19:32:43,916 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 19:32:43,917 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 19:32:43,917 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 19:32:43,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 19:32:43,918 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 19:32:43,919 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 19:32:43,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 19:32:44,213 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 19:32:44,213 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 19:32:44,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:32:44 BoogieIcfgContainer [2018-12-01 19:32:44,213 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 19:32:44,214 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 19:32:44,214 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 19:32:44,215 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 19:32:44,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 07:32:43" (1/3) ... [2018-12-01 19:32:44,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f75f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:32:44, skipping insertion in model container [2018-12-01 19:32:44,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 07:32:43" (2/3) ... [2018-12-01 19:32:44,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56f75f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 07:32:44, skipping insertion in model container [2018-12-01 19:32:44,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:32:44" (3/3) ... [2018-12-01 19:32:44,218 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product51_false-unreach-call_false-termination.cil.c [2018-12-01 19:32:44,223 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 19:32:44,228 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 19:32:44,237 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 19:32:44,255 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 19:32:44,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 19:32:44,256 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 19:32:44,256 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 19:32:44,256 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 19:32:44,256 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 19:32:44,256 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 19:32:44,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 19:32:44,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 19:32:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-01 19:32:44,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 19:32:44,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:32:44,274 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] [2018-12-01 19:32:44,276 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:32:44,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:32:44,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2118320187, now seen corresponding path program 1 times [2018-12-01 19:32:44,280 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:32:44,280 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:32:44,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:32:44,309 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:44,419 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:32:44,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:32:44,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 19:32:44,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 19:32:44,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 19:32:44,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 19:32:44,432 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-01 19:32:44,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:32:44,455 INFO L93 Difference]: Finished difference Result 280 states and 347 transitions. [2018-12-01 19:32:44,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 19:32:44,456 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-01 19:32:44,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:32:44,463 INFO L225 Difference]: With dead ends: 280 [2018-12-01 19:32:44,463 INFO L226 Difference]: Without dead ends: 140 [2018-12-01 19:32:44,465 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 [2018-12-01 19:32:44,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-01 19:32:44,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-01 19:32:44,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-01 19:32:44,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 165 transitions. [2018-12-01 19:32:44,494 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 165 transitions. Word has length 52 [2018-12-01 19:32:44,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:32:44,495 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 165 transitions. [2018-12-01 19:32:44,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 19:32:44,495 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 165 transitions. [2018-12-01 19:32:44,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-01 19:32:44,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:32:44,497 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] [2018-12-01 19:32:44,497 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:32:44,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:32:44,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1669095514, now seen corresponding path program 1 times [2018-12-01 19:32:44,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:32:44,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:32:44,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:32:44,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:44,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:32:44,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:32:44,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 19:32:44,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 19:32:44,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 19:32:44,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 19:32:44,554 INFO L87 Difference]: Start difference. First operand 140 states and 165 transitions. Second operand 3 states. [2018-12-01 19:32:44,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:32:44,570 INFO L93 Difference]: Finished difference Result 223 states and 261 transitions. [2018-12-01 19:32:44,570 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 19:32:44,570 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-01 19:32:44,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:32:44,572 INFO L225 Difference]: With dead ends: 223 [2018-12-01 19:32:44,572 INFO L226 Difference]: Without dead ends: 131 [2018-12-01 19:32:44,573 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 [2018-12-01 19:32:44,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-01 19:32:44,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-01 19:32:44,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-01 19:32:44,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-12-01 19:32:44,583 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-12-01 19:32:44,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:32:44,584 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-12-01 19:32:44,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 19:32:44,584 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-12-01 19:32:44,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 19:32:44,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:32:44,586 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] [2018-12-01 19:32:44,586 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:32:44,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:32:44,586 INFO L82 PathProgramCache]: Analyzing trace with hash 996641733, now seen corresponding path program 1 times [2018-12-01 19:32:44,586 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:32:44,586 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:32:44,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:32:44,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:44,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:32:44,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:32:44,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 19:32:44,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 19:32:44,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 19:32:44,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 19:32:44,692 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-12-01 19:32:44,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:32:44,944 INFO L93 Difference]: Finished difference Result 401 states and 484 transitions. [2018-12-01 19:32:44,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 19:32:44,945 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-01 19:32:44,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:32:44,949 INFO L225 Difference]: With dead ends: 401 [2018-12-01 19:32:44,949 INFO L226 Difference]: Without dead ends: 294 [2018-12-01 19:32:44,950 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 [2018-12-01 19:32:44,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-01 19:32:44,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 286. [2018-12-01 19:32:44,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 286 states. [2018-12-01 19:32:44,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 286 states and 345 transitions. [2018-12-01 19:32:44,977 INFO L78 Accepts]: Start accepts. Automaton has 286 states and 345 transitions. Word has length 57 [2018-12-01 19:32:44,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:32:44,977 INFO L480 AbstractCegarLoop]: Abstraction has 286 states and 345 transitions. [2018-12-01 19:32:44,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 19:32:44,977 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 345 transitions. [2018-12-01 19:32:44,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-01 19:32:44,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:32:44,978 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] [2018-12-01 19:32:44,979 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:32:44,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:32:44,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1984506316, now seen corresponding path program 1 times [2018-12-01 19:32:44,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:32:44,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:32:44,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:32:44,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 19:32:45,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 19:32:45,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 19:32:45,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 19:32:45,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 19:32:45,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 19:32:45,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 19:32:45,038 INFO L87 Difference]: Start difference. First operand 286 states and 345 transitions. Second operand 6 states. [2018-12-01 19:32:45,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 19:32:45,155 INFO L93 Difference]: Finished difference Result 783 states and 991 transitions. [2018-12-01 19:32:45,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 19:32:45,155 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-12-01 19:32:45,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 19:32:45,157 INFO L225 Difference]: With dead ends: 783 [2018-12-01 19:32:45,157 INFO L226 Difference]: Without dead ends: 521 [2018-12-01 19:32:45,159 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 [2018-12-01 19:32:45,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2018-12-01 19:32:45,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 515. [2018-12-01 19:32:45,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 515 states. [2018-12-01 19:32:45,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 630 transitions. [2018-12-01 19:32:45,182 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 630 transitions. Word has length 63 [2018-12-01 19:32:45,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 19:32:45,182 INFO L480 AbstractCegarLoop]: Abstraction has 515 states and 630 transitions. [2018-12-01 19:32:45,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 19:32:45,182 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 630 transitions. [2018-12-01 19:32:45,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-12-01 19:32:45,184 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 19:32:45,184 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] [2018-12-01 19:32:45,184 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 19:32:45,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 19:32:45,184 INFO L82 PathProgramCache]: Analyzing trace with hash 409924562, now seen corresponding path program 1 times [2018-12-01 19:32:45,184 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 19:32:45,184 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 19:32:45,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:45,185 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 19:32:45,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 19:32:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:32:45,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-01 19:32:45,253 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-01 19:32:45,318 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 07:32:45 BoogieIcfgContainer [2018-12-01 19:32:45,318 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 19:32:45,318 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 19:32:45,318 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 19:32:45,318 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 19:32:45,319 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 07:32:44" (3/4) ... [2018-12-01 19:32:45,320 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-01 19:32:45,384 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2c1960c8-8b99-4234-a81d-d347aa54068f/bin-2019/uautomizer/witness.graphml [2018-12-01 19:32:45,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 19:32:45,385 INFO L168 Benchmark]: Toolchain (without parser) took 1827.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.7 MB in the beginning and 827.4 MB in the end (delta: 124.3 MB). Peak memory consumption was 270.6 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:45,385 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: Boogie Preprocessor took 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: RCFGBuilder took 329.55 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: TraceAbstraction took 1104.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.7 MB in the end (delta: 227.8 MB). Peak memory consumption was 227.8 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:45,386 INFO L168 Benchmark]: Witness Printer took 66.19 ms. Allocated memory is still 1.2 GB. Free memory was 847.7 MB in the beginning and 827.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-12-01 19:32:45,387 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 283.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 329.55 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: 55.2 MB). Peak memory consumption was 55.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1104.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 847.7 MB in the end (delta: 227.8 MB). Peak memory consumption was 227.8 MB. Max. memory is 11.5 GB. * Witness Printer took 66.19 ms. Allocated memory is still 1.2 GB. Free memory was 847.7 MB in the beginning and 827.4 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 977]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L225] int pumpRunning = 0; [L226] int systemActive = 1; [L473] int cleanupTimeShifts = 4; [L776] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L549] int retValue_acc ; [L550] 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] [L554] 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] [L555] 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] [L556] 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] [L598] int retValue_acc ; [L601] retValue_acc = 1 [L602] 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] [L556] 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] [L556] tmp = valid_product() [L558] 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] [L560] 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] [L561] 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] [L540] 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] [L155] int splverifierCounter ; [L156] int tmp ; [L157] int tmp___0 ; [L158] int tmp___1 ; [L159] int tmp___2 ; [L162] 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] [L164] 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] [L166] 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] [L172] tmp = __VERIFIER_nondet_int() [L174] 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] [L176] 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] [L66] COND TRUE waterLevel < 2 [L67] 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] [L176] 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] [L182] tmp___0 = __VERIFIER_nondet_int() [L184] 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] [L192] tmp___2 = __VERIFIER_nondet_int() [L194] COND FALSE !(\read(tmp___2)) [L198] tmp___1 = __VERIFIER_nondet_int() [L200] 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] [L202] 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] [L426] 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] [L433] 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] [L202] 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] [L209] 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] [L233] 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] [L240] 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] [L248] 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] [L440] int tmp ; [L441] int tmp___0 ; [L442] 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] [L446] 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] [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] 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] [L446] 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] [L446] tmp = isMethaneLevelCritical() [L448] 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] [L452] 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] [L119] int retValue_acc ; [L122] retValue_acc = waterLevel [L123] 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] [L452] 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] [L452] tmp___0 = getWaterLevel() [L454] 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] [L456] 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] [L340] int retValue_acc ; [L343] retValue_acc = pumpRunning [L344] 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] [L456] 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] [L456] tmp___1 = isPumpRunning() [L458] 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] [L462] 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] [L977] __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 29 procedures, 153 locations, 1 error locations. UNSAFE Result, 1.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 702 SDtfs, 447 SDslu, 1313 SDs, 0 SdLazy, 310 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=515occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 14 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 292 NumberOfCodeBlocks, 292 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 20709 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...