./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_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_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/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 406c0cc89d56bc86617076fb4c755244f0ec13e7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:46:19,517 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:46:19,518 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:46:19,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:46:19,528 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:46:19,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:46:19,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:46:19,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:46:19,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:46:19,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:46:19,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:46:19,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:46:19,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:46:19,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:46:19,535 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:46:19,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:46:19,536 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:46:19,537 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:46:19,538 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:46:19,539 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:46:19,540 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:46:19,540 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:46:19,542 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:46:19,542 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:46:19,542 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:46:19,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:46:19,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:46:19,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:46:19,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:46:19,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:46:19,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:46:19,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:46:19,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:46:19,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:46:19,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:46:19,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:46:19,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:46:19,553 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:46:19,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:46:19,554 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:46:19,554 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:46:19,555 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:46:19,555 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:46:19,555 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:46:19,555 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:46:19,555 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:46:19,556 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:46:19,557 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:46:19,557 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:46:19,557 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:46:19,557 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:46:19,557 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:46:19,557 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:46:19,558 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:46:19,558 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:46:19,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:46:19,559 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_c9000990-7ec2-46eb-ad30-eb39d0a3853d/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 -> 406c0cc89d56bc86617076fb4c755244f0ec13e7 [2018-11-28 12:46:19,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:46:19,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:46:19,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:46:19,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:46:19,595 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:46:19,596 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-11-28 12:46:19,636 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/data/5096d9fee/fde569feef5840e98c404cf1184ee0c7/FLAG9bbd03b5c [2018-11-28 12:46:20,023 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:46:20,024 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/sv-benchmarks/c/product-lines/minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-11-28 12:46:20,033 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/data/5096d9fee/fde569feef5840e98c404cf1184ee0c7/FLAG9bbd03b5c [2018-11-28 12:46:20,403 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/data/5096d9fee/fde569feef5840e98c404cf1184ee0c7 [2018-11-28 12:46:20,406 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:46:20,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:46:20,407 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:20,407 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:46:20,410 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:46:20,411 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@143c444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20, skipping insertion in model container [2018-11-28 12:46:20,413 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:46:20,451 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:46:20,656 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:20,667 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:46:20,782 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:46:20,801 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:46:20,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20 WrapperNode [2018-11-28 12:46:20,802 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:46:20,802 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:20,802 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:46:20,802 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:46:20,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,822 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,830 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:46:20,830 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:46:20,830 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:46:20,831 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:46:20,838 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,841 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,855 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... [2018-11-28 12:46:20,859 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:46:20,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:46:20,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:46:20,860 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:46:20,861 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/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 12:46:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 12:46:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 12:46:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:46:20,906 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:46:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 12:46:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 12:46:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 12:46:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 12:46:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:46:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 12:46:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 12:46:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 12:46:20,907 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 12:46:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 12:46:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 12:46:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 12:46:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 12:46:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 12:46:20,908 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 12:46:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 12:46:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 12:46:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 12:46:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 12:46:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 12:46:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 12:46:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-28 12:46:20,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-28 12:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 12:46:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 12:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 12:46:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 12:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 12:46:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 12:46:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 12:46:20,910 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 12:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 12:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 12:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 12:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 12:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 12:46:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 12:46:20,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 12:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 12:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 12:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 12:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 12:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 12:46:20,912 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 12:46:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 12:46:20,913 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 12:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 12:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 12:46:20,915 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:46:20,915 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-28 12:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 12:46:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 12:46:20,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:46:20,916 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:46:21,377 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:46:21,378 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 12:46:21,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:21 BoogieIcfgContainer [2018-11-28 12:46:21,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:46:21,378 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:46:21,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:46:21,381 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:46:21,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:46:20" (1/3) ... [2018-11-28 12:46:21,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdea991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:21, skipping insertion in model container [2018-11-28 12:46:21,382 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:46:20" (2/3) ... [2018-11-28 12:46:21,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bdea991 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:46:21, skipping insertion in model container [2018-11-28 12:46:21,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:21" (3/3) ... [2018-11-28 12:46:21,384 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product52_false-unreach-call_false-termination.cil.c [2018-11-28 12:46:21,393 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:46:21,402 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:46:21,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:46:21,444 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:46:21,445 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:46:21,445 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:46:21,445 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:46:21,445 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:46:21,445 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:46:21,445 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:46:21,445 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:46:21,445 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:46:21,463 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-28 12:46:21,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 12:46:21,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:21,473 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:21,475 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:21,479 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:21,480 INFO L82 PathProgramCache]: Analyzing trace with hash 762700349, now seen corresponding path program 1 times [2018-11-28 12:46:21,481 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:21,482 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:21,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:21,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:21,683 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 12:46:21,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:21,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 12:46:21,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 12:46:21,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 12:46:21,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 12:46:21,701 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-28 12:46:21,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:21,726 INFO L93 Difference]: Finished difference Result 288 states and 355 transitions. [2018-11-28 12:46:21,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 12:46:21,727 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-28 12:46:21,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:21,735 INFO L225 Difference]: With dead ends: 288 [2018-11-28 12:46:21,735 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 12:46:21,737 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 12:46:21,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 12:46:21,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 12:46:21,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 12:46:21,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 169 transitions. [2018-11-28 12:46:21,777 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 169 transitions. Word has length 52 [2018-11-28 12:46:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:21,778 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 169 transitions. [2018-11-28 12:46:21,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 12:46:21,778 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 169 transitions. [2018-11-28 12:46:21,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-28 12:46:21,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:21,781 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:21,782 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:21,782 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:21,782 INFO L82 PathProgramCache]: Analyzing trace with hash 164630867, now seen corresponding path program 1 times [2018-11-28 12:46:21,782 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:21,782 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:21,783 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:21,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:21,861 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 12:46:21,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:21,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:46:21,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:46:21,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:46:21,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:46:21,865 INFO L87 Difference]: Start difference. First operand 144 states and 169 transitions. Second operand 3 states. [2018-11-28 12:46:21,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:21,884 INFO L93 Difference]: Finished difference Result 227 states and 265 transitions. [2018-11-28 12:46:21,885 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:46:21,885 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-28 12:46:21,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:21,887 INFO L225 Difference]: With dead ends: 227 [2018-11-28 12:46:21,887 INFO L226 Difference]: Without dead ends: 135 [2018-11-28 12:46:21,888 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 12:46:21,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-28 12:46:21,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-28 12:46:21,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-28 12:46:21,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 157 transitions. [2018-11-28 12:46:21,902 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 157 transitions. Word has length 53 [2018-11-28 12:46:21,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:21,902 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 157 transitions. [2018-11-28 12:46:21,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:46:21,902 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 157 transitions. [2018-11-28 12:46:21,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-28 12:46:21,904 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:21,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:21,904 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:21,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:21,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1958832895, now seen corresponding path program 1 times [2018-11-28 12:46:21,906 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:21,906 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:21,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:21,907 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:22,009 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 12:46:22,009 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:22,009 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 12:46:22,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:46:22,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:46:22,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:46:22,010 INFO L87 Difference]: Start difference. First operand 135 states and 157 transitions. Second operand 7 states. [2018-11-28 12:46:22,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:22,317 INFO L93 Difference]: Finished difference Result 413 states and 498 transitions. [2018-11-28 12:46:22,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:46:22,317 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-28 12:46:22,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:22,320 INFO L225 Difference]: With dead ends: 413 [2018-11-28 12:46:22,320 INFO L226 Difference]: Without dead ends: 302 [2018-11-28 12:46:22,322 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 12:46:22,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2018-11-28 12:46:22,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 290. [2018-11-28 12:46:22,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2018-11-28 12:46:22,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 349 transitions. [2018-11-28 12:46:22,352 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 349 transitions. Word has length 58 [2018-11-28 12:46:22,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:22,352 INFO L480 AbstractCegarLoop]: Abstraction has 290 states and 349 transitions. [2018-11-28 12:46:22,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:46:22,353 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 349 transitions. [2018-11-28 12:46:22,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-28 12:46:22,356 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:22,356 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:22,357 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:22,357 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:22,357 INFO L82 PathProgramCache]: Analyzing trace with hash 622176747, now seen corresponding path program 1 times [2018-11-28 12:46:22,358 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:22,358 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:22,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:22,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:22,359 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:46:22,448 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 12:46:22,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:46:22,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 12:46:22,448 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 12:46:22,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:46:22,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:46:22,449 INFO L87 Difference]: Start difference. First operand 290 states and 349 transitions. Second operand 6 states. [2018-11-28 12:46:22,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:46:22,662 INFO L93 Difference]: Finished difference Result 795 states and 1003 transitions. [2018-11-28 12:46:22,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:46:22,663 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-28 12:46:22,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:46:22,667 INFO L225 Difference]: With dead ends: 795 [2018-11-28 12:46:22,667 INFO L226 Difference]: Without dead ends: 529 [2018-11-28 12:46:22,669 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 12:46:22,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-11-28 12:46:22,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-11-28 12:46:22,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-11-28 12:46:22,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 638 transitions. [2018-11-28 12:46:22,707 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 638 transitions. Word has length 63 [2018-11-28 12:46:22,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:46:22,708 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 638 transitions. [2018-11-28 12:46:22,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 12:46:22,708 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 638 transitions. [2018-11-28 12:46:22,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-28 12:46:22,711 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:46:22,711 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:46:22,712 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:46:22,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:46:22,712 INFO L82 PathProgramCache]: Analyzing trace with hash 59452977, now seen corresponding path program 1 times [2018-11-28 12:46:22,713 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:46:22,713 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:46:22,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:22,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:46:22,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:46:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:46:22,885 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 12:46:22,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:46:22 BoogieIcfgContainer [2018-11-28 12:46:22,977 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:46:22,977 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:46:22,977 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:46:22,977 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:46:22,978 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:46:21" (3/4) ... [2018-11-28 12:46:22,980 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 12:46:23,068 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c9000990-7ec2-46eb-ad30-eb39d0a3853d/bin-2019/uautomizer/witness.graphml [2018-11-28 12:46:23,069 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:46:23,069 INFO L168 Benchmark]: Toolchain (without parser) took 2663.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -121.9 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,070 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:46:23,071 INFO L168 Benchmark]: CACSL2BoogieTranslator took 394.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,071 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.94 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 12:46:23,071 INFO L168 Benchmark]: Boogie Preprocessor took 29.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,071 INFO L168 Benchmark]: RCFGBuilder took 518.33 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,072 INFO L168 Benchmark]: TraceAbstraction took 1598.38 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: -16.2 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,072 INFO L168 Benchmark]: Witness Printer took 91.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:46:23,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 394.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.94 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 29.07 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 518.33 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: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1598.38 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: -16.2 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. * Witness Printer took 91.61 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: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 853]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L84] int waterLevel = 1; [L85] int methaneLevelCritical = 0; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L559] int pumpRunning = 0; [L560] int systemActive = 1; [L896] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=198, \old(head)=199, \old(head)=186, \old(methaneLevelCritical)=156, \old(pumpRunning)=144, \old(systemActive)=143, \old(waterLevel)=153, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L969] int retValue_acc ; [L970] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L974] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L975] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L976] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L887] int retValue_acc ; [L890] retValue_acc = 1 [L891] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L976] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L976] tmp = valid_product() [L978] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L980] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L981] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L963] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L781] int splverifierCounter ; [L782] int tmp ; [L783] int tmp___0 ; [L784] int tmp___1 ; [L785] int tmp___2 ; [L788] 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] [L790] 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] [L792] 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] [L798] tmp = __VERIFIER_nondet_int() [L800] 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] [L802] 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] [L102] COND TRUE waterLevel < 2 [L103] 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] [L802] 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] [L808] tmp___0 = __VERIFIER_nondet_int() [L810] 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] [L818] tmp___2 = __VERIFIER_nondet_int() [L820] COND FALSE !(\read(tmp___2)) [L826] tmp___1 = __VERIFIER_nondet_int() [L828] COND TRUE \read(tmp___1) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L830] CALL stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L759] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L766] systemActive = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L830] RET stopSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=0, tmp=1, tmp___0=0, tmp___1=1, tmp___2=0, waterLevel=2] [L837] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L566] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L573] COND FALSE !(\read(systemActive)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L581] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L45] int tmp ; [L46] int tmp___0 ; [L47] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L123] int retValue_acc ; [L126] retValue_acc = methaneLevelCritical [L127] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L51] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L155] int retValue_acc ; [L158] retValue_acc = waterLevel [L159] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=0, waterLevel=2] [L57] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, waterLevel=2] [L57] tmp___0 = getWaterLevel() [L59] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L673] int retValue_acc ; [L676] retValue_acc = pumpRunning [L677] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=0, waterLevel=2] [L61] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, waterLevel=2] [L61] tmp___1 = isPumpRunning() [L63] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L67] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] [L853] __VERIFIER_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=0, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. UNSAFE Result, 1.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 721 SDtfs, 377 SDslu, 1413 SDs, 0 SdLazy, 325 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=523occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 293 NumberOfCodeBlocks, 293 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 21060 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...