./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product47_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_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/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 982cd7c832ad69be85d11abb6d88a1915810e691 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:14:24,583 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:14:24,584 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:14:24,592 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:14:24,592 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:14:24,593 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:14:24,594 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:14:24,595 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:14:24,596 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:14:24,597 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:14:24,597 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:14:24,597 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:14:24,598 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:14:24,599 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:14:24,599 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:14:24,600 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:14:24,600 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:14:24,602 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:14:24,603 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:14:24,604 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:14:24,605 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:14:24,605 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:14:24,607 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:14:24,607 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:14:24,607 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:14:24,608 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:14:24,608 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:14:24,609 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:14:24,609 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:14:24,610 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:14:24,610 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:14:24,611 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:14:24,611 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:14:24,611 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:14:24,612 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:14:24,612 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:14:24,612 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 13:14:24,622 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:14:24,622 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:14:24,623 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 13:14:24,623 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 13:14:24,623 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:14:24,623 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:14:24,624 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 13:14:24,624 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 13:14:24,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:14:24,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 13:14:24,626 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 13:14:24,626 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:14:24,627 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 13:14:24,627 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 13:14:24,627 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_43256fa5-a136-4ecc-898f-d0090514293c/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 -> 982cd7c832ad69be85d11abb6d88a1915810e691 [2018-11-28 13:14:24,652 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:14:24,661 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:14:24,663 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:14:24,664 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:14:24,665 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:14:24,665 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-28 13:14:24,709 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/data/dcd7f104b/e9f3d1fd62024060b8297d85d7c5617f/FLAGddec3e4db [2018-11-28 13:14:25,134 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:14:25,135 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/sv-benchmarks/c/product-lines/minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-28 13:14:25,142 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/data/dcd7f104b/e9f3d1fd62024060b8297d85d7c5617f/FLAGddec3e4db [2018-11-28 13:14:25,152 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/data/dcd7f104b/e9f3d1fd62024060b8297d85d7c5617f [2018-11-28 13:14:25,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:14:25,156 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:14:25,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:25,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:14:25,158 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:14:25,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,161 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@246385e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25, skipping insertion in model container [2018-11-28 13:14:25,161 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,165 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:14:25,193 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:14:25,382 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:25,441 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:14:25,498 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:14:25,515 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:14:25,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25 WrapperNode [2018-11-28 13:14:25,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:14:25,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:25,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:14:25,515 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:14:25,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,544 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:14:25,544 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:14:25,544 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:14:25,545 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:14:25,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... [2018-11-28 13:14:25,576 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:14:25,577 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:14:25,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:14:25,577 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:14:25,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/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 13:14:25,625 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 13:14:25,625 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:14:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 13:14:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 13:14:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 13:14:25,626 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 13:14:25,626 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 13:14:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 13:14:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 13:14:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 13:14:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 13:14:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 13:14:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 13:14:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 13:14:25,627 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 13:14:25,627 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 13:14:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 13:14:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 13:14:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 13:14:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 13:14:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 13:14:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 13:14:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 13:14:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 13:14:25,628 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 13:14:25,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 13:14:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 13:14:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 13:14:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 13:14:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 13:14:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 13:14:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 13:14:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 13:14:25,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 13:14:25,629 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:14:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 13:14:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 13:14:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 13:14:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 13:14:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 13:14:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 13:14:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 13:14:25,630 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 13:14:25,630 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 13:14:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-28 13:14:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-28 13:14:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:14:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 13:14:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 13:14:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 13:14:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 13:14:25,631 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 13:14:25,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 13:14:25,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:14:25,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:14:26,055 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:14:26,055 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 13:14:26,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:26 BoogieIcfgContainer [2018-11-28 13:14:26,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:14:26,056 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 13:14:26,056 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 13:14:26,060 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 13:14:26,060 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 01:14:25" (1/3) ... [2018-11-28 13:14:26,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@880a0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:26, skipping insertion in model container [2018-11-28 13:14:26,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:14:25" (2/3) ... [2018-11-28 13:14:26,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@880a0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 01:14:26, skipping insertion in model container [2018-11-28 13:14:26,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:26" (3/3) ... [2018-11-28 13:14:26,064 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product47_false-unreach-call_false-termination.cil.c [2018-11-28 13:14:26,070 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 13:14:26,076 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 13:14:26,086 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 13:14:26,107 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:14:26,108 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 13:14:26,108 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 13:14:26,108 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 13:14:26,108 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:14:26,108 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:14:26,109 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 13:14:26,109 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:14:26,109 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 13:14:26,125 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states. [2018-11-28 13:14:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 13:14:26,131 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:26,132 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:26,134 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:26,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:26,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1186387742, now seen corresponding path program 1 times [2018-11-28 13:14:26,138 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:26,139 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:26,172 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:26,322 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 13:14:26,324 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:26,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 13:14:26,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 13:14:26,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 13:14:26,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 13:14:26,337 INFO L87 Difference]: Start difference. First operand 152 states. Second operand 2 states. [2018-11-28 13:14:26,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:26,368 INFO L93 Difference]: Finished difference Result 278 states and 345 transitions. [2018-11-28 13:14:26,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 13:14:26,369 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 13:14:26,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:26,379 INFO L225 Difference]: With dead ends: 278 [2018-11-28 13:14:26,380 INFO L226 Difference]: Without dead ends: 139 [2018-11-28 13:14:26,383 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 13:14:26,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-11-28 13:14:26,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-11-28 13:14:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-11-28 13:14:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 164 transitions. [2018-11-28 13:14:26,425 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 164 transitions. Word has length 46 [2018-11-28 13:14:26,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:26,426 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 164 transitions. [2018-11-28 13:14:26,426 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 13:14:26,426 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 164 transitions. [2018-11-28 13:14:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 13:14:26,428 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:26,428 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:26,428 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:26,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:26,429 INFO L82 PathProgramCache]: Analyzing trace with hash 2027803890, now seen corresponding path program 1 times [2018-11-28 13:14:26,429 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:26,429 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:26,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:26,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:26,508 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 13:14:26,508 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:26,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:14:26,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 13:14:26,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:14:26,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:14:26,510 INFO L87 Difference]: Start difference. First operand 139 states and 164 transitions. Second operand 3 states. [2018-11-28 13:14:26,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:26,529 INFO L93 Difference]: Finished difference Result 221 states and 259 transitions. [2018-11-28 13:14:26,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:14:26,530 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 13:14:26,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:26,531 INFO L225 Difference]: With dead ends: 221 [2018-11-28 13:14:26,531 INFO L226 Difference]: Without dead ends: 130 [2018-11-28 13:14:26,533 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 13:14:26,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-28 13:14:26,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-28 13:14:26,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-28 13:14:26,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 152 transitions. [2018-11-28 13:14:26,544 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 152 transitions. Word has length 47 [2018-11-28 13:14:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:26,544 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 152 transitions. [2018-11-28 13:14:26,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 13:14:26,544 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 152 transitions. [2018-11-28 13:14:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 13:14:26,546 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:26,546 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:26,546 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:26,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:26,546 INFO L82 PathProgramCache]: Analyzing trace with hash -2050407400, now seen corresponding path program 1 times [2018-11-28 13:14:26,547 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:26,547 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:26,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:26,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:26,664 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 13:14:26,665 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:26,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 13:14:26,665 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 13:14:26,665 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 13:14:26,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:26,666 INFO L87 Difference]: Start difference. First operand 130 states and 152 transitions. Second operand 7 states. [2018-11-28 13:14:26,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:26,983 INFO L93 Difference]: Finished difference Result 392 states and 474 transitions. [2018-11-28 13:14:26,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 13:14:26,984 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-11-28 13:14:26,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:26,987 INFO L225 Difference]: With dead ends: 392 [2018-11-28 13:14:26,987 INFO L226 Difference]: Without dead ends: 286 [2018-11-28 13:14:26,988 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 [2018-11-28 13:14:26,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2018-11-28 13:14:27,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 278. [2018-11-28 13:14:27,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 13:14:27,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 336 transitions. [2018-11-28 13:14:27,019 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 336 transitions. Word has length 51 [2018-11-28 13:14:27,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:27,020 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 336 transitions. [2018-11-28 13:14:27,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 13:14:27,020 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 336 transitions. [2018-11-28 13:14:27,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 13:14:27,023 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:27,024 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] [2018-11-28 13:14:27,024 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:27,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:27,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1629692946, now seen corresponding path program 1 times [2018-11-28 13:14:27,024 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:27,025 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:27,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:27,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:27,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:27,131 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 13:14:27,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:27,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-28 13:14:27,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-28 13:14:27,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-28 13:14:27,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-28 13:14:27,132 INFO L87 Difference]: Start difference. First operand 278 states and 336 transitions. Second operand 10 states. [2018-11-28 13:14:27,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:27,598 INFO L93 Difference]: Finished difference Result 992 states and 1292 transitions. [2018-11-28 13:14:27,599 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-28 13:14:27,599 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-28 13:14:27,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:27,602 INFO L225 Difference]: With dead ends: 992 [2018-11-28 13:14:27,603 INFO L226 Difference]: Without dead ends: 738 [2018-11-28 13:14:27,604 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-28 13:14:27,605 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2018-11-28 13:14:27,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 726. [2018-11-28 13:14:27,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 726 states. [2018-11-28 13:14:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 726 states and 912 transitions. [2018-11-28 13:14:27,654 INFO L78 Accepts]: Start accepts. Automaton has 726 states and 912 transitions. Word has length 57 [2018-11-28 13:14:27,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:27,656 INFO L480 AbstractCegarLoop]: Abstraction has 726 states and 912 transitions. [2018-11-28 13:14:27,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-28 13:14:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 726 states and 912 transitions. [2018-11-28 13:14:27,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-28 13:14:27,659 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:27,659 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:27,659 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:27,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:27,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1337067336, now seen corresponding path program 1 times [2018-11-28 13:14:27,660 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:27,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:27,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:27,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:27,662 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:27,757 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 13:14:27,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:14:27,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 13:14:27,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 13:14:27,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 13:14:27,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 13:14:27,759 INFO L87 Difference]: Start difference. First operand 726 states and 912 transitions. Second operand 4 states. [2018-11-28 13:14:28,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:28,026 INFO L93 Difference]: Finished difference Result 1870 states and 2535 transitions. [2018-11-28 13:14:28,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-28 13:14:28,027 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-28 13:14:28,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:28,033 INFO L225 Difference]: With dead ends: 1870 [2018-11-28 13:14:28,033 INFO L226 Difference]: Without dead ends: 1168 [2018-11-28 13:14:28,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-28 13:14:28,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1168 states. [2018-11-28 13:14:28,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1168 to 1033. [2018-11-28 13:14:28,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1033 states. [2018-11-28 13:14:28,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1033 states to 1033 states and 1286 transitions. [2018-11-28 13:14:28,099 INFO L78 Accepts]: Start accepts. Automaton has 1033 states and 1286 transitions. Word has length 61 [2018-11-28 13:14:28,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:28,099 INFO L480 AbstractCegarLoop]: Abstraction has 1033 states and 1286 transitions. [2018-11-28 13:14:28,099 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 13:14:28,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1286 transitions. [2018-11-28 13:14:28,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-28 13:14:28,101 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:28,101 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:14:28,101 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:28,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:28,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1864644134, now seen corresponding path program 1 times [2018-11-28 13:14:28,102 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:28,102 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:28,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:28,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:28,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:28,180 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 13:14:28,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:14:28,181 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:14:28,196 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:28,291 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:28,416 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 13:14:28,441 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:14:28,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2018-11-28 13:14:28,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-28 13:14:28,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-28 13:14:28,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2018-11-28 13:14:28,442 INFO L87 Difference]: Start difference. First operand 1033 states and 1286 transitions. Second operand 12 states. [2018-11-28 13:14:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:30,764 INFO L93 Difference]: Finished difference Result 2426 states and 3263 transitions. [2018-11-28 13:14:30,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-28 13:14:30,765 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 88 [2018-11-28 13:14:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:30,772 INFO L225 Difference]: With dead ends: 2426 [2018-11-28 13:14:30,772 INFO L226 Difference]: Without dead ends: 1687 [2018-11-28 13:14:30,775 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 826 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2018-11-28 13:14:30,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1687 states. [2018-11-28 13:14:30,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1687 to 1487. [2018-11-28 13:14:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2018-11-28 13:14:30,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1873 transitions. [2018-11-28 13:14:30,865 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1873 transitions. Word has length 88 [2018-11-28 13:14:30,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:30,866 INFO L480 AbstractCegarLoop]: Abstraction has 1487 states and 1873 transitions. [2018-11-28 13:14:30,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-28 13:14:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1873 transitions. [2018-11-28 13:14:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-28 13:14:30,869 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:30,870 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:30,870 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:30,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:30,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1860252076, now seen corresponding path program 1 times [2018-11-28 13:14:30,870 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:30,870 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:30,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:30,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:30,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:30,939 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 13:14:30,939 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:14:30,939 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:14:30,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:31,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:31,052 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:31,081 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-28 13:14:31,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:14:31,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 6 [2018-11-28 13:14:31,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 13:14:31,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 13:14:31,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 13:14:31,112 INFO L87 Difference]: Start difference. First operand 1487 states and 1873 transitions. Second operand 6 states. [2018-11-28 13:14:31,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:31,226 INFO L93 Difference]: Finished difference Result 3006 states and 3988 transitions. [2018-11-28 13:14:31,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 13:14:31,233 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 145 [2018-11-28 13:14:31,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:31,240 INFO L225 Difference]: With dead ends: 3006 [2018-11-28 13:14:31,240 INFO L226 Difference]: Without dead ends: 1543 [2018-11-28 13:14:31,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 143 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 13:14:31,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1543 states. [2018-11-28 13:14:31,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1543 to 1527. [2018-11-28 13:14:31,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1527 states. [2018-11-28 13:14:31,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1527 states and 1917 transitions. [2018-11-28 13:14:31,325 INFO L78 Accepts]: Start accepts. Automaton has 1527 states and 1917 transitions. Word has length 145 [2018-11-28 13:14:31,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:31,325 INFO L480 AbstractCegarLoop]: Abstraction has 1527 states and 1917 transitions. [2018-11-28 13:14:31,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 13:14:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1527 states and 1917 transitions. [2018-11-28 13:14:31,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-11-28 13:14:31,329 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:31,329 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:31,329 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:31,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:31,329 INFO L82 PathProgramCache]: Analyzing trace with hash 803520874, now seen corresponding path program 1 times [2018-11-28 13:14:31,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:31,330 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:31,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:31,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:31,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:31,434 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-28 13:14:31,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:14:31,434 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:14:31,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:31,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:31,545 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:31,616 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-28 13:14:31,643 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 13:14:31,643 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2018-11-28 13:14:31,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-28 13:14:31,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-28 13:14:31,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:14:31,644 INFO L87 Difference]: Start difference. First operand 1527 states and 1917 transitions. Second operand 11 states. [2018-11-28 13:14:31,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:31,728 INFO L93 Difference]: Finished difference Result 2767 states and 3576 transitions. [2018-11-28 13:14:31,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 13:14:31,729 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 145 [2018-11-28 13:14:31,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:31,734 INFO L225 Difference]: With dead ends: 2767 [2018-11-28 13:14:31,734 INFO L226 Difference]: Without dead ends: 1264 [2018-11-28 13:14:31,737 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-28 13:14:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2018-11-28 13:14:31,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1264. [2018-11-28 13:14:31,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1264 states. [2018-11-28 13:14:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1264 states and 1589 transitions. [2018-11-28 13:14:31,808 INFO L78 Accepts]: Start accepts. Automaton has 1264 states and 1589 transitions. Word has length 145 [2018-11-28 13:14:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:31,809 INFO L480 AbstractCegarLoop]: Abstraction has 1264 states and 1589 transitions. [2018-11-28 13:14:31,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-28 13:14:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1589 transitions. [2018-11-28 13:14:31,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 13:14:31,811 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:31,812 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:31,812 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:31,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:31,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1385030065, now seen corresponding path program 1 times [2018-11-28 13:14:31,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:31,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:31,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:31,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:31,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:31,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:31,929 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 13:14:31,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 13:14:31,930 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 13:14:31,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:32,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:14:32,033 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 13:14:32,139 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:14:32,164 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-28 13:14:32,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2018-11-28 13:14:32,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-28 13:14:32,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-28 13:14:32,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-28 13:14:32,165 INFO L87 Difference]: Start difference. First operand 1264 states and 1589 transitions. Second operand 15 states. [2018-11-28 13:14:33,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:14:33,251 INFO L93 Difference]: Finished difference Result 2547 states and 3413 transitions. [2018-11-28 13:14:33,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-28 13:14:33,252 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 149 [2018-11-28 13:14:33,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 13:14:33,258 INFO L225 Difference]: With dead ends: 2547 [2018-11-28 13:14:33,258 INFO L226 Difference]: Without dead ends: 1462 [2018-11-28 13:14:33,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=195, Invalid=561, Unknown=0, NotChecked=0, Total=756 [2018-11-28 13:14:33,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1462 states. [2018-11-28 13:14:33,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1462 to 1150. [2018-11-28 13:14:33,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1150 states. [2018-11-28 13:14:33,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1441 transitions. [2018-11-28 13:14:33,334 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1441 transitions. Word has length 149 [2018-11-28 13:14:33,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 13:14:33,335 INFO L480 AbstractCegarLoop]: Abstraction has 1150 states and 1441 transitions. [2018-11-28 13:14:33,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-28 13:14:33,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1441 transitions. [2018-11-28 13:14:33,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-28 13:14:33,338 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 13:14:33,338 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:14:33,339 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 13:14:33,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:14:33,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1221760541, now seen corresponding path program 2 times [2018-11-28 13:14:33,339 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:14:33,339 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:14:33,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:33,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:14:33,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:14:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:14:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:14:33,573 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 13:14:33,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 01:14:33 BoogieIcfgContainer [2018-11-28 13:14:33,734 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 13:14:33,734 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:14:33,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:14:33,735 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:14:33,735 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:14:26" (3/4) ... [2018-11-28 13:14:33,737 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 13:14:33,904 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_43256fa5-a136-4ecc-898f-d0090514293c/bin-2019/uautomizer/witness.graphml [2018-11-28 13:14:33,904 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:14:33,905 INFO L168 Benchmark]: Toolchain (without parser) took 8749.76 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 412.1 MB). Free memory was 956.0 MB in the beginning and 1.2 GB in the end (delta: -284.6 MB). Peak memory consumption was 127.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,906 INFO L168 Benchmark]: CDTParser took 0.14 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 13:14:33,906 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.76 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 13:14:33,906 INFO L168 Benchmark]: Boogie Preprocessor took 32.01 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,906 INFO L168 Benchmark]: RCFGBuilder took 478.68 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,907 INFO L168 Benchmark]: TraceAbstraction took 7677.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 277.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,907 INFO L168 Benchmark]: Witness Printer took 169.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. [2018-11-28 13:14:33,908 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 358.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -165.8 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.76 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 32.01 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 478.68 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: 52.1 MB). Peak memory consumption was 52.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7677.87 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 277.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.5 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * Witness Printer took 169.45 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 66.0 MB). Peak memory consumption was 66.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 828]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] int cleanupTimeShifts = 4; [L219] int pumpRunning = 0; [L220] int systemActive = 1; [L599] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L868] int waterLevel = 1; [L869] int methaneLevelCritical = 0; [L121] int retValue_acc ; [L122] 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] [L126] 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] [L127] 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] [L128] 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] [L859] int retValue_acc ; [L862] retValue_acc = 1 [L863] 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] [L128] 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] [L128] tmp = valid_product() [L130] 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] [L132] 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] [L133] 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] [L112] 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] [L146] int splverifierCounter ; [L147] int tmp ; [L148] int tmp___0 ; [L149] int tmp___1 ; [L150] int tmp___2 ; [L153] 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] [L155] 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] [L157] 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] [L163] tmp = __VERIFIER_nondet_int() [L165] 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] [L167] 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] [L886] COND TRUE waterLevel < 2 [L887] 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] [L167] 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] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] 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] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L227] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L285] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L300] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L259] COND TRUE ! pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] CALL, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L396] int retValue_acc ; [L397] int tmp ; [L398] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L402] CALL, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L948] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L951] COND FALSE !(waterLevel < 2) [L955] retValue_acc = 0 [L956] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L402] RET, EXPR isHighWaterSensorDry() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L402] tmp = isHighWaterSensorDry() [L404] COND FALSE !(\read(tmp)) [L407] tmp___0 = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L409] retValue_acc = tmp___0 [L410] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L261] RET, EXPR isHighWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L261] tmp = isHighWaterLevel() [L263] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L265] CALL activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L315] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L319] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L319] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L319] tmp = isMethaneAlarm() [L321] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L325] CALL activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L310] pumpRunning = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L325] RET activatePump__wrappee__highWaterSensor() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=2] [L265] RET activatePump() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L300] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] 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=1, retValue_acc=2, systemActive=1, waterLevel=2] [L804] 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=1, systemActive=1, waterLevel=2] [L804] tmp = getWaterLevel() [L806] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=2, waterLevel=2] [L242] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L200] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L155] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L157] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L227] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L229] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=2] [L874] COND TRUE waterLevel > 0 [L875] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L285] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L287] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=1] [L287] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L287] tmp = isMethaneAlarm() [L289] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L295] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L259] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L274] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L295] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=1] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L804] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=1, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L804] tmp = getWaterLevel() [L806] COND FALSE !(tmp == 0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L242] RET __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L200] RET timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L155] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L157] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L163] tmp = __VERIFIER_nondet_int() [L165] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L173] tmp___0 = __VERIFIER_nondet_int() [L175] 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=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L183] tmp___2 = __VERIFIER_nondet_int() [L185] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=1] [L200] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L227] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L229] CALL lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=1] [L874] COND TRUE waterLevel > 0 [L875] waterLevel = waterLevel - 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L229] RET lowerWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L234] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L236] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L282] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L285] COND TRUE \read(pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L287] CALL, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L340] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L344] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L907] int retValue_acc ; [L910] retValue_acc = methaneLevelCritical [L911] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L344] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L344] retValue_acc = isMethaneLevelCritical() [L346] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L287] RET, EXPR isMethaneAlarm() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isMethaneAlarm()=0, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L287] tmp = isMethaneAlarm() [L289] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L295] CALL processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L256] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L259] COND FALSE !(! pumpRunning) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L274] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L295] RET processEnvironment__wrappee__methaneQuery() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L236] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L242] CALL __utac_acc__Specification4_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L799] int tmp ; [L800] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L804] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L939] int retValue_acc ; [L942] retValue_acc = waterLevel [L943] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=0, systemActive=1, waterLevel=0] [L804] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, getWaterLevel()=0, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L804] tmp = getWaterLevel() [L806] COND TRUE tmp == 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L808] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L351] int retValue_acc ; [L354] retValue_acc = pumpRunning [L355] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=0] [L808] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, waterLevel=0] [L808] tmp___0 = isPumpRunning() [L810] COND TRUE \read(tmp___0) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=0] [L812] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] [L828] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=1, systemActive=1, waterLevel=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 152 locations, 1 error locations. UNSAFE Result, 7.6s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 4.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1537 SDtfs, 2184 SDslu, 4616 SDs, 0 SdLazy, 4563 SolverSat, 1312 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 688 GetRequests, 563 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1012 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1527occurred in iteration=7, 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: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 683 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1516 NumberOfCodeBlocks, 1516 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1303 ConstructedInterpolants, 0 QuantifiedInterpolants, 238101 SizeOfPredicates, 12 NumberOfNonLiveVariables, 3274 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 13 InterpolantComputations, 7 PerfectInterpolantSequences, 224/262 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...