./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/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 351e1061dd8393b15ba9fc7223df15ae9d3170ab .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 13:05:21,405 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:05:21,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:05:21,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:05:21,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:05:21,416 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:05:21,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:05:21,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:05:21,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:05:21,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:05:21,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:05:21,421 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:05:21,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:05:21,422 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:05:21,423 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:05:21,423 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:05:21,424 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:05:21,425 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:05:21,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:05:21,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:05:21,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:05:21,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:05:21,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:05:21,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:05:21,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:05:21,433 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:05:21,434 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:05:21,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:05:21,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:05:21,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:05:21,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:05:21,436 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:05:21,436 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:05:21,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:05:21,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:05:21,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:05:21,438 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:05:21,448 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:05:21,449 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:05:21,449 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:05:21,449 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:05:21,450 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:05:21,450 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:05:21,450 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:05:21,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:05:21,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:05:21,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:05:21,451 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:05:21,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:05:21,452 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:05:21,452 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:05:21,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:05:21,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:05:21,453 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_281456fc-86a0-4e8a-a14f-2a4a13f71d19/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 -> 351e1061dd8393b15ba9fc7223df15ae9d3170ab [2018-11-28 13:05:21,476 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:05:21,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:05:21,486 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:05:21,487 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:05:21,487 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:05:21,488 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-11-28 13:05:21,527 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/data/efb23a9a7/4d68a54ba1b546e5b6c3011d8033a4b0/FLAGc36181035 [2018-11-28 13:05:21,939 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:05:21,939 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/sv-benchmarks/c/product-lines/minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-11-28 13:05:21,951 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/data/efb23a9a7/4d68a54ba1b546e5b6c3011d8033a4b0/FLAGc36181035 [2018-11-28 13:05:22,299 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/data/efb23a9a7/4d68a54ba1b546e5b6c3011d8033a4b0 [2018-11-28 13:05:22,301 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:05:22,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:05:22,303 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:22,303 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:05:22,306 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:05:22,307 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f4c66e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22, skipping insertion in model container [2018-11-28 13:05:22,309 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,314 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:05:22,350 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:05:22,579 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:22,591 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:05:22,712 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:05:22,739 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:05:22,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22 WrapperNode [2018-11-28 13:05:22,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:05:22,740 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:22,741 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:05:22,741 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:05:22,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,762 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,771 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:05:22,772 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:05:22,772 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:05:22,772 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:05:22,780 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,780 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,784 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,796 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,806 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... [2018-11-28 13:05:22,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:05:22,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:05:22,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:05:22,810 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:05:22,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/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 [2018-11-28 13:05:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:05:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:05:22,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:05:22,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:05:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:05:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:05:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 13:05:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 13:05:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:05:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:05:22,868 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:05:22,868 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:05:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:05:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:05:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:05:22,869 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:05:22,869 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:05:22,871 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:05:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 13:05:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 13:05:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:05:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:05:22,872 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:05:22,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:05:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:05:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:05:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:05:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:05:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:05:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:05:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:05:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:05:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 13:05:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 13:05:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:05:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 13:05:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:05:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:05:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:05:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:05:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:05:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:05:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:05:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:05:22,875 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:05:22,875 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:05:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:05:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:05:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:05:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:05:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:05:22,876 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:05:22,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:05:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:05:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:05:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:05:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:05:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:05:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 13:05:22,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:05:22,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:05:22,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:05:22,878 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:05:23,431 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:05:23,431 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:05:23,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:23 BoogieIcfgContainer [2018-11-28 13:05:23,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:05:23,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:05:23,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:05:23,437 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:05:23,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:05:22" (1/3) ... [2018-11-28 13:05:23,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7619f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:23, skipping insertion in model container [2018-11-28 13:05:23,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:05:22" (2/3) ... [2018-11-28 13:05:23,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7619f617 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:05:23, skipping insertion in model container [2018-11-28 13:05:23,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:23" (3/3) ... [2018-11-28 13:05:23,440 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product64_false-unreach-call_false-termination.cil.c [2018-11-28 13:05:23,451 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:05:23,460 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:05:23,475 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:05:23,507 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:05:23,508 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:05:23,508 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:05:23,508 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:05:23,509 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:05:23,509 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:05:23,509 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:05:23,509 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:05:23,509 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:05:23,531 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2018-11-28 13:05:23,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 13:05:23,540 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:23,541 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] [2018-11-28 13:05:23,543 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:23,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:23,549 INFO L82 PathProgramCache]: Analyzing trace with hash 789920952, now seen corresponding path program 1 times [2018-11-28 13:05:23,551 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:23,551 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:23,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:23,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:23,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:23,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:05:23,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:23,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:05:23,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:05:23,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:05:23,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:05:23,783 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 2 states. [2018-11-28 13:05:23,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:23,817 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2018-11-28 13:05:23,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:05:23,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 13:05:23,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:23,829 INFO L225 Difference]: With dead ends: 332 [2018-11-28 13:05:23,830 INFO L226 Difference]: Without dead ends: 166 [2018-11-28 13:05:23,833 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 [2018-11-28 13:05:23,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-11-28 13:05:23,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-11-28 13:05:23,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-11-28 13:05:23,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 198 transitions. [2018-11-28 13:05:23,882 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 198 transitions. Word has length 52 [2018-11-28 13:05:23,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:23,883 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 198 transitions. [2018-11-28 13:05:23,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:05:23,883 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 198 transitions. [2018-11-28 13:05:23,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 13:05:23,885 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:23,885 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] [2018-11-28 13:05:23,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:23,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:23,886 INFO L82 PathProgramCache]: Analyzing trace with hash 1313082727, now seen corresponding path program 1 times [2018-11-28 13:05:23,886 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:23,886 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:23,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:23,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:23,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:23,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:23,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:05:23,977 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:23,977 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:05:23,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:05:23,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:05:23,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:05:23,980 INFO L87 Difference]: Start difference. First operand 166 states and 198 transitions. Second operand 3 states. [2018-11-28 13:05:24,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:24,002 INFO L93 Difference]: Finished difference Result 271 states and 323 transitions. [2018-11-28 13:05:24,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:05:24,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 13:05:24,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:24,006 INFO L225 Difference]: With dead ends: 271 [2018-11-28 13:05:24,006 INFO L226 Difference]: Without dead ends: 157 [2018-11-28 13:05:24,007 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 [2018-11-28 13:05:24,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-11-28 13:05:24,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-11-28 13:05:24,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-11-28 13:05:24,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 186 transitions. [2018-11-28 13:05:24,018 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 186 transitions. Word has length 53 [2018-11-28 13:05:24,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:24,019 INFO L480 AbstractCegarLoop]: Abstraction has 157 states and 186 transitions. [2018-11-28 13:05:24,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:05:24,019 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 186 transitions. [2018-11-28 13:05:24,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 13:05:24,021 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:24,021 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:05:24,021 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:24,021 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:24,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1889570306, now seen corresponding path program 1 times [2018-11-28 13:05:24,022 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:24,022 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:24,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:24,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:24,023 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:24,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:05:24,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:24,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:05:24,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:05:24,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:05:24,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:05:24,172 INFO L87 Difference]: Start difference. First operand 157 states and 186 transitions. Second operand 7 states. [2018-11-28 13:05:24,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:24,621 INFO L93 Difference]: Finished difference Result 479 states and 585 transitions. [2018-11-28 13:05:24,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:05:24,623 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 13:05:24,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:24,625 INFO L225 Difference]: With dead ends: 479 [2018-11-28 13:05:24,625 INFO L226 Difference]: Without dead ends: 346 [2018-11-28 13:05:24,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:05:24,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2018-11-28 13:05:24,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 334. [2018-11-28 13:05:24,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2018-11-28 13:05:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 407 transitions. [2018-11-28 13:05:24,664 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 407 transitions. Word has length 58 [2018-11-28 13:05:24,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:24,665 INFO L480 AbstractCegarLoop]: Abstraction has 334 states and 407 transitions. [2018-11-28 13:05:24,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:05:24,665 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 407 transitions. [2018-11-28 13:05:24,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 13:05:24,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:24,668 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] [2018-11-28 13:05:24,669 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:24,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:24,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1069146877, now seen corresponding path program 1 times [2018-11-28 13:05:24,669 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:24,670 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:24,671 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:24,671 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:24,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:05:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:05:24,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:05:24,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 13:05:24,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:05:24,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:05:24,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:05:24,773 INFO L87 Difference]: Start difference. First operand 334 states and 407 transitions. Second operand 6 states. [2018-11-28 13:05:25,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:05:25,010 INFO L93 Difference]: Finished difference Result 927 states and 1181 transitions. [2018-11-28 13:05:25,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:05:25,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 13:05:25,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:05:25,016 INFO L225 Difference]: With dead ends: 927 [2018-11-28 13:05:25,016 INFO L226 Difference]: Without dead ends: 617 [2018-11-28 13:05:25,019 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 [2018-11-28 13:05:25,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-11-28 13:05:25,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 611. [2018-11-28 13:05:25,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2018-11-28 13:05:25,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 754 transitions. [2018-11-28 13:05:25,062 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 754 transitions. Word has length 63 [2018-11-28 13:05:25,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:05:25,062 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 754 transitions. [2018-11-28 13:05:25,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:05:25,062 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 754 transitions. [2018-11-28 13:05:25,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 13:05:25,064 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:05:25,065 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] [2018-11-28 13:05:25,065 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:05:25,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:05:25,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1504770569, now seen corresponding path program 1 times [2018-11-28 13:05:25,067 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:05:25,067 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:05:25,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:25,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:05:25,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:05:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:05:25,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:05:25,174 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:05:25,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:05:25 BoogieIcfgContainer [2018-11-28 13:05:25,269 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:05:25,269 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:05:25,269 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:05:25,270 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:05:25,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:05:23" (3/4) ... [2018-11-28 13:05:25,272 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:05:25,374 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_281456fc-86a0-4e8a-a14f-2a4a13f71d19/bin-2019/uautomizer/witness.graphml [2018-11-28 13:05:25,374 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:05:25,375 INFO L168 Benchmark]: Toolchain (without parser) took 3072.89 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 225.4 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -259.4 MB). Peak memory consumption was 303.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,376 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:05:25,376 INFO L168 Benchmark]: CACSL2BoogieTranslator took 437.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,377 INFO L168 Benchmark]: Boogie Preprocessor took 37.43 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. [2018-11-28 13:05:25,377 INFO L168 Benchmark]: RCFGBuilder took 622.49 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,377 INFO L168 Benchmark]: TraceAbstraction took 1836.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.0 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,379 INFO L168 Benchmark]: Witness Printer took 104.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 830.0 MB in the beginning and 1.2 GB in the end (delta: -385.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-28 13:05:25,381 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 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 437.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -176.2 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.87 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.43 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 622.49 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: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1836.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.0 MB in the end (delta: 244.8 MB). Peak memory consumption was 244.8 MB. Max. memory is 11.5 GB. * Witness Printer took 104.70 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 80.7 MB). Free memory was 830.0 MB in the beginning and 1.2 GB in the end (delta: -385.4 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 996]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L90] int pumpRunning = 0; [L91] int systemActive = 1; [L427] int waterLevel = 1; [L428] int methaneLevelCritical = 0; [L699] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=198, \old(head)=201, \old(head)=184, \old(methaneLevelCritical)=146, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=142, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] 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] [L974] 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] [L975] 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] [L976] 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] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] 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] [L976] 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] [L976] tmp = valid_product() [L978] 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] [L980] 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] [L981] 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] [L963] 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] [L358] int splverifierCounter ; [L359] int tmp ; [L360] int tmp___0 ; [L361] int tmp___1 ; [L362] int tmp___2 ; [L365] 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] [L367] 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] [L369] 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] [L375] tmp = __VERIFIER_nondet_int() [L377] 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] [L379] 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] [L445] COND TRUE waterLevel < 2 [L446] 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] [L379] 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] [L385] tmp___0 = __VERIFIER_nondet_int() [L387] 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] [L395] tmp___2 = __VERIFIER_nondet_int() [L397] COND FALSE !(\read(tmp___2)) [L403] tmp___1 = __VERIFIER_nondet_int() [L405] 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] [L407] 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] [L334] 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] [L341] 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] [L407] 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] [L414] 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] [L98] 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] [L105] 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] [L113] 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] [L1002] int tmp ; [L1003] int tmp___0 ; [L1004] 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] [L1008] 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] [L466] int retValue_acc ; [L469] retValue_acc = methaneLevelCritical [L470] 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] [L1008] 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] [L1008] tmp = isMethaneLevelCritical() [L1010] 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] [L1014] 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] [L498] int retValue_acc ; [L501] retValue_acc = waterLevel [L502] 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] [L1014] 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] [L1014] tmp___0 = getWaterLevel() [L1016] 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] [L1018] 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] [L248] int retValue_acc ; [L251] retValue_acc = pumpRunning [L252] 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] [L1018] 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] [L1018] tmp___1 = isPumpRunning() [L1020] 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] [L1024] 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] [L996] __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 33 procedures, 179 locations, 1 error locations. UNSAFE Result, 1.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 849 SDtfs, 464 SDslu, 1640 SDs, 0 SdLazy, 395 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=611occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 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...