./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/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 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 18:54:04,431 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 18:54:04,432 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 18:54:04,438 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 18:54:04,438 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 18:54:04,439 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 18:54:04,440 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 18:54:04,440 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 18:54:04,441 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 18:54:04,442 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 18:54:04,442 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 18:54:04,442 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 18:54:04,443 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 18:54:04,443 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 18:54:04,444 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 18:54:04,444 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 18:54:04,444 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 18:54:04,445 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 18:54:04,446 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 18:54:04,447 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 18:54:04,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 18:54:04,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 18:54:04,449 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 18:54:04,449 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 18:54:04,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 18:54:04,450 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 18:54:04,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 18:54:04,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 18:54:04,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 18:54:04,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 18:54:04,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 18:54:04,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 18:54:04,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 18:54:04,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 18:54:04,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 18:54:04,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 18:54:04,454 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 18:54:04,461 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 18:54:04,461 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 18:54:04,461 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 18:54:04,461 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 18:54:04,462 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 18:54:04,462 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 18:54:04,462 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 18:54:04,462 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 18:54:04,462 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 18:54:04,462 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 18:54:04,462 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 18:54:04,463 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 18:54:04,464 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:54:04,464 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 18:54:04,464 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 18:54:04,465 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 18:54:04,465 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 18:54:04,465 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 18:54:04,465 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_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/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 -> 7aed16b7a73618bd36d72dc3243e4d7bd764fb49 [2018-12-02 18:54:04,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 18:54:04,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 18:54:04,491 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 18:54:04,491 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 18:54:04,492 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 18:54:04,492 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-02 18:54:04,527 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/data/c1ccaedbe/f551418ab4f44140a5ca81524b127528/FLAG0305a8b5d [2018-12-02 18:54:04,967 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 18:54:04,967 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/sv-benchmarks/c/product-lines/minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-02 18:54:04,974 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/data/c1ccaedbe/f551418ab4f44140a5ca81524b127528/FLAG0305a8b5d [2018-12-02 18:54:04,983 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/data/c1ccaedbe/f551418ab4f44140a5ca81524b127528 [2018-12-02 18:54:04,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 18:54:04,985 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 18:54:04,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 18:54:04,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 18:54:04,988 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 18:54:04,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:04" (1/1) ... [2018-12-02 18:54:04,990 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:04, skipping insertion in model container [2018-12-02 18:54:04,990 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:54:04" (1/1) ... [2018-12-02 18:54:04,994 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 18:54:05,014 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 18:54:05,162 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:54:05,207 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 18:54:05,258 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 18:54:05,275 INFO L195 MainTranslator]: Completed translation [2018-12-02 18:54:05,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05 WrapperNode [2018-12-02 18:54:05,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 18:54:05,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 18:54:05,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 18:54:05,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 18:54:05,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,289 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,294 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 18:54:05,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 18:54:05,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 18:54:05,295 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 18:54:05,300 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,311 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,312 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... [2018-12-02 18:54:05,314 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 18:54:05,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 18:54:05,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 18:54:05,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 18:54:05,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 18:54:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 18:54:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 18:54:05,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 18:54:05,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 18:54:05,345 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 18:54:05,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 18:54:05,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 18:54:05,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 18:54:05,347 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 18:54:05,347 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 18:54:05,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 18:54:05,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 18:54:05,638 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 18:54:05,638 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 18:54:05,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:05 BoogieIcfgContainer [2018-12-02 18:54:05,639 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 18:54:05,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 18:54:05,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 18:54:05,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 18:54:05,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:54:04" (1/3) ... [2018-12-02 18:54:05,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3d441e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:05, skipping insertion in model container [2018-12-02 18:54:05,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:54:05" (2/3) ... [2018-12-02 18:54:05,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b3d441e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:54:05, skipping insertion in model container [2018-12-02 18:54:05,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:05" (3/3) ... [2018-12-02 18:54:05,643 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product33_false-unreach-call_false-termination.cil.c [2018-12-02 18:54:05,648 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 18:54:05,653 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 18:54:05,662 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 18:54:05,678 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 18:54:05,679 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 18:54:05,679 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 18:54:05,679 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 18:54:05,679 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 18:54:05,679 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 18:54:05,679 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 18:54:05,679 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 18:54:05,679 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 18:54:05,690 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-12-02 18:54:05,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 18:54:05,695 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:05,695 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] [2018-12-02 18:54:05,697 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:05,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:05,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1395230563, now seen corresponding path program 1 times [2018-12-02 18:54:05,701 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:05,701 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:05,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:05,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:05,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:05,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:05,843 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:05,843 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 18:54:05,845 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 18:54:05,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 18:54:05,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:54:05,854 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-12-02 18:54:05,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:05,874 INFO L93 Difference]: Finished difference Result 216 states and 271 transitions. [2018-12-02 18:54:05,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 18:54:05,875 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 18:54:05,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:05,882 INFO L225 Difference]: With dead ends: 216 [2018-12-02 18:54:05,882 INFO L226 Difference]: Without dead ends: 110 [2018-12-02 18:54:05,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 18:54:05,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-12-02 18:54:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-12-02 18:54:05,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-12-02 18:54:05,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2018-12-02 18:54:05,913 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 51 [2018-12-02 18:54:05,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:05,914 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2018-12-02 18:54:05,914 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 18:54:05,914 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2018-12-02 18:54:05,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 18:54:05,915 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:05,915 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:05,916 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:05,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:05,916 INFO L82 PathProgramCache]: Analyzing trace with hash -234462916, now seen corresponding path program 1 times [2018-12-02 18:54:05,916 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:05,916 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:05,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:05,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:05,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:05,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:05,979 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:05,979 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:54:05,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:54:05,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:54:05,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:54:05,981 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 3 states. [2018-12-02 18:54:05,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:05,995 INFO L93 Difference]: Finished difference Result 165 states and 193 transitions. [2018-12-02 18:54:05,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:54:05,995 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 18:54:05,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:05,997 INFO L225 Difference]: With dead ends: 165 [2018-12-02 18:54:05,997 INFO L226 Difference]: Without dead ends: 101 [2018-12-02 18:54:05,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:54:05,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-02 18:54:06,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-02 18:54:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-02 18:54:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2018-12-02 18:54:06,006 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 52 [2018-12-02 18:54:06,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:06,007 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2018-12-02 18:54:06,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:54:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2018-12-02 18:54:06,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 18:54:06,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:06,008 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] [2018-12-02 18:54:06,008 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:06,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:06,008 INFO L82 PathProgramCache]: Analyzing trace with hash 266541224, now seen corresponding path program 1 times [2018-12-02 18:54:06,009 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:06,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:06,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:06,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:06,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:06,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 18:54:06,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 18:54:06,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 18:54:06,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:54:06,102 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 7 states. [2018-12-02 18:54:06,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:06,229 INFO L93 Difference]: Finished difference Result 174 states and 207 transitions. [2018-12-02 18:54:06,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:54:06,230 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 18:54:06,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:06,231 INFO L225 Difference]: With dead ends: 174 [2018-12-02 18:54:06,231 INFO L226 Difference]: Without dead ends: 101 [2018-12-02 18:54:06,231 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 18:54:06,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-12-02 18:54:06,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-12-02 18:54:06,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-12-02 18:54:06,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 116 transitions. [2018-12-02 18:54:06,238 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 116 transitions. Word has length 56 [2018-12-02 18:54:06,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:06,238 INFO L480 AbstractCegarLoop]: Abstraction has 101 states and 116 transitions. [2018-12-02 18:54:06,238 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 18:54:06,238 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 116 transitions. [2018-12-02 18:54:06,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-02 18:54:06,240 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:06,240 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] [2018-12-02 18:54:06,240 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:06,240 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:06,240 INFO L82 PathProgramCache]: Analyzing trace with hash 250786301, now seen corresponding path program 1 times [2018-12-02 18:54:06,240 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:06,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:06,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:06,241 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:06,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:06,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:06,295 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 18:54:06,295 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 18:54:06,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 18:54:06,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 18:54:06,295 INFO L87 Difference]: Start difference. First operand 101 states and 116 transitions. Second operand 5 states. [2018-12-02 18:54:06,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:06,550 INFO L93 Difference]: Finished difference Result 259 states and 315 transitions. [2018-12-02 18:54:06,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:54:06,550 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2018-12-02 18:54:06,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:06,552 INFO L225 Difference]: With dead ends: 259 [2018-12-02 18:54:06,552 INFO L226 Difference]: Without dead ends: 186 [2018-12-02 18:54:06,553 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:54:06,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-12-02 18:54:06,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 168. [2018-12-02 18:54:06,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-12-02 18:54:06,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 195 transitions. [2018-12-02 18:54:06,572 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 195 transitions. Word has length 64 [2018-12-02 18:54:06,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:06,572 INFO L480 AbstractCegarLoop]: Abstraction has 168 states and 195 transitions. [2018-12-02 18:54:06,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 18:54:06,573 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 195 transitions. [2018-12-02 18:54:06,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 18:54:06,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:06,574 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:06,574 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:06,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:06,575 INFO L82 PathProgramCache]: Analyzing trace with hash 624066098, now seen corresponding path program 1 times [2018-12-02 18:54:06,575 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:06,575 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:06,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:06,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:06,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:06,648 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:06,648 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 18:54:06,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:54:06,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:54:06,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:54:06,649 INFO L87 Difference]: Start difference. First operand 168 states and 195 transitions. Second operand 6 states. [2018-12-02 18:54:06,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:06,756 INFO L93 Difference]: Finished difference Result 430 states and 518 transitions. [2018-12-02 18:54:06,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 18:54:06,757 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2018-12-02 18:54:06,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:06,760 INFO L225 Difference]: With dead ends: 430 [2018-12-02 18:54:06,760 INFO L226 Difference]: Without dead ends: 290 [2018-12-02 18:54:06,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 18:54:06,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2018-12-02 18:54:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 284. [2018-12-02 18:54:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 284 states. [2018-12-02 18:54:06,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 330 transitions. [2018-12-02 18:54:06,787 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 330 transitions. Word has length 78 [2018-12-02 18:54:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:06,787 INFO L480 AbstractCegarLoop]: Abstraction has 284 states and 330 transitions. [2018-12-02 18:54:06,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:54:06,788 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 330 transitions. [2018-12-02 18:54:06,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-12-02 18:54:06,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:06,789 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:06,790 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:06,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:06,790 INFO L82 PathProgramCache]: Analyzing trace with hash -658075602, now seen corresponding path program 1 times [2018-12-02 18:54:06,790 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:06,790 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:06,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:06,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:06,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:06,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:06,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 18:54:06,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 18:54:06,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 18:54:06,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:54:06,870 INFO L87 Difference]: Start difference. First operand 284 states and 330 transitions. Second operand 7 states. [2018-12-02 18:54:07,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:07,150 INFO L93 Difference]: Finished difference Result 569 states and 681 transitions. [2018-12-02 18:54:07,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 18:54:07,151 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 82 [2018-12-02 18:54:07,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:07,153 INFO L225 Difference]: With dead ends: 569 [2018-12-02 18:54:07,153 INFO L226 Difference]: Without dead ends: 313 [2018-12-02 18:54:07,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 18:54:07,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-12-02 18:54:07,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 283. [2018-12-02 18:54:07,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-12-02 18:54:07,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 327 transitions. [2018-12-02 18:54:07,172 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 327 transitions. Word has length 82 [2018-12-02 18:54:07,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:07,173 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 327 transitions. [2018-12-02 18:54:07,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 18:54:07,173 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 327 transitions. [2018-12-02 18:54:07,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 18:54:07,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:07,174 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:07,174 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:07,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:07,174 INFO L82 PathProgramCache]: Analyzing trace with hash -475944275, now seen corresponding path program 1 times [2018-12-02 18:54:07,174 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:07,175 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:07,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:07,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:07,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:07,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:07,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 18:54:07,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 18:54:07,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 18:54:07,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 18:54:07,225 INFO L87 Difference]: Start difference. First operand 283 states and 327 transitions. Second operand 6 states. [2018-12-02 18:54:07,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:07,246 INFO L93 Difference]: Finished difference Result 548 states and 644 transitions. [2018-12-02 18:54:07,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 18:54:07,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-02 18:54:07,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:07,247 INFO L225 Difference]: With dead ends: 548 [2018-12-02 18:54:07,247 INFO L226 Difference]: Without dead ends: 293 [2018-12-02 18:54:07,248 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 18:54:07,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-12-02 18:54:07,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-12-02 18:54:07,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-12-02 18:54:07,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 337 transitions. [2018-12-02 18:54:07,257 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 337 transitions. Word has length 83 [2018-12-02 18:54:07,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:07,258 INFO L480 AbstractCegarLoop]: Abstraction has 293 states and 337 transitions. [2018-12-02 18:54:07,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 18:54:07,258 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 337 transitions. [2018-12-02 18:54:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 18:54:07,258 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:07,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:07,259 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:07,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash 910259119, now seen corresponding path program 1 times [2018-12-02 18:54:07,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:07,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:07,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:07,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:07,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:07,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 18:54:07,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 18:54:07,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 18:54:07,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 18:54:07,315 INFO L87 Difference]: Start difference. First operand 293 states and 337 transitions. Second operand 8 states. [2018-12-02 18:54:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:07,337 INFO L93 Difference]: Finished difference Result 572 states and 676 transitions. [2018-12-02 18:54:07,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 18:54:07,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 83 [2018-12-02 18:54:07,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:07,338 INFO L225 Difference]: With dead ends: 572 [2018-12-02 18:54:07,338 INFO L226 Difference]: Without dead ends: 307 [2018-12-02 18:54:07,339 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 18:54:07,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-12-02 18:54:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 301. [2018-12-02 18:54:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-12-02 18:54:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 345 transitions. [2018-12-02 18:54:07,349 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 345 transitions. Word has length 83 [2018-12-02 18:54:07,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:07,349 INFO L480 AbstractCegarLoop]: Abstraction has 301 states and 345 transitions. [2018-12-02 18:54:07,349 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 18:54:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 345 transitions. [2018-12-02 18:54:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 18:54:07,350 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:07,350 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:07,350 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:07,351 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:07,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1273417808, now seen corresponding path program 1 times [2018-12-02 18:54:07,351 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:07,351 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:07,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:07,352 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:07,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:07,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:07,389 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 18:54:07,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 18:54:07,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 18:54:07,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 18:54:07,389 INFO L87 Difference]: Start difference. First operand 301 states and 345 transitions. Second operand 4 states. [2018-12-02 18:54:07,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:07,477 INFO L93 Difference]: Finished difference Result 896 states and 1086 transitions. [2018-12-02 18:54:07,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 18:54:07,477 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 83 [2018-12-02 18:54:07,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:07,479 INFO L225 Difference]: With dead ends: 896 [2018-12-02 18:54:07,479 INFO L226 Difference]: Without dead ends: 623 [2018-12-02 18:54:07,480 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 18:54:07,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2018-12-02 18:54:07,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 415. [2018-12-02 18:54:07,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 415 states. [2018-12-02 18:54:07,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 472 transitions. [2018-12-02 18:54:07,499 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 472 transitions. Word has length 83 [2018-12-02 18:54:07,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:07,499 INFO L480 AbstractCegarLoop]: Abstraction has 415 states and 472 transitions. [2018-12-02 18:54:07,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 18:54:07,499 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 472 transitions. [2018-12-02 18:54:07,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 18:54:07,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:07,500 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:07,501 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:07,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:07,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1409380982, now seen corresponding path program 1 times [2018-12-02 18:54:07,501 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:07,501 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:07,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 18:54:07,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 18:54:07,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 18:54:07,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 18:54:07,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 18:54:07,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 18:54:07,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:54:07,530 INFO L87 Difference]: Start difference. First operand 415 states and 472 transitions. Second operand 3 states. [2018-12-02 18:54:07,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 18:54:07,561 INFO L93 Difference]: Finished difference Result 622 states and 720 transitions. [2018-12-02 18:54:07,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 18:54:07,561 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 87 [2018-12-02 18:54:07,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 18:54:07,563 INFO L225 Difference]: With dead ends: 622 [2018-12-02 18:54:07,563 INFO L226 Difference]: Without dead ends: 619 [2018-12-02 18:54:07,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 18:54:07,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-02 18:54:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 525. [2018-12-02 18:54:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2018-12-02 18:54:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 607 transitions. [2018-12-02 18:54:07,583 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 607 transitions. Word has length 87 [2018-12-02 18:54:07,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 18:54:07,583 INFO L480 AbstractCegarLoop]: Abstraction has 525 states and 607 transitions. [2018-12-02 18:54:07,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 18:54:07,583 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 607 transitions. [2018-12-02 18:54:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 18:54:07,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 18:54:07,585 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 18:54:07,585 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 18:54:07,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 18:54:07,585 INFO L82 PathProgramCache]: Analyzing trace with hash 824659389, now seen corresponding path program 1 times [2018-12-02 18:54:07,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 18:54:07,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 18:54:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 18:54:07,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 18:54:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:54:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 18:54:07,676 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 18:54:07,766 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:54:07 BoogieIcfgContainer [2018-12-02 18:54:07,766 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 18:54:07,766 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 18:54:07,766 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 18:54:07,766 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 18:54:07,767 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:54:05" (3/4) ... [2018-12-02 18:54:07,768 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 18:54:07,858 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5b6daf2b-d2c4-49c9-9b29-a31c8b67a460/bin-2019/uautomizer/witness.graphml [2018-12-02 18:54:07,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 18:54:07,859 INFO L168 Benchmark]: Toolchain (without parser) took 2874.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 217.6 MB). Free memory was 951.7 MB in the beginning and 870.1 MB in the end (delta: 81.6 MB). Peak memory consumption was 299.1 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: Boogie Preprocessor took 19.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: RCFGBuilder took 324.78 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: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:07,860 INFO L168 Benchmark]: TraceAbstraction took 2126.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 911.5 MB in the end (delta: 158.5 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:07,861 INFO L168 Benchmark]: Witness Printer took 92.41 ms. Allocated memory is still 1.2 GB. Free memory was 911.5 MB in the beginning and 870.1 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. [2018-12-02 18:54:07,861 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.40 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -168.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.73 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 19.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 324.78 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: 50.5 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2126.72 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 80.7 MB). Free memory was 1.1 GB in the beginning and 911.5 MB in the end (delta: 158.5 MB). Peak memory consumption was 239.2 MB. Max. memory is 11.5 GB. * Witness Printer took 92.41 ms. Allocated memory is still 1.2 GB. Free memory was 911.5 MB in the beginning and 870.1 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 284]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L179] int cleanupTimeShifts = 4; [L292] int pumpRunning = 0; [L293] int systemActive = 1; [L679] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L876] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=199, \old(head)=201, \old(head)=185, \old(methAndRunningLastTime)=197, \old(methaneLevelCritical)=152, \old(pumpRunning)=140, \old(systemActive)=139, \old(waterLevel)=146, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L257] int retValue_acc ; [L258] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L262] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L263] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L264] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L264] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L264] tmp = valid_product() [L266] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L268] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L269] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L881] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L250] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L251] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L446] int splverifierCounter ; [L447] int tmp ; [L448] int tmp___0 ; [L449] int tmp___1 ; [L450] int tmp___2 ; [L453] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L463] tmp = __VERIFIER_nondet_int() [L465] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L467] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L103] COND TRUE waterLevel < 2 [L104] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L467] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L477] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L115] COND FALSE !(\read(methaneLevelCritical)) [L118] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L477] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L300] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L332] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L426] int retValue_acc ; [L427] int tmp ; [L428] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L165] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L168] COND FALSE !(waterLevel < 2) [L172] retValue_acc = 0 [L173] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L432] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L432] tmp = isHighWaterSensorDry() [L434] COND FALSE !(\read(tmp)) [L437] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L439] retValue_acc = tmp___0 [L440] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=1, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L334] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L334] tmp = isHighWaterLevel() [L336] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L338] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L357] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L338] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L898] COND FALSE !(\read(methAndRunningLastTime)) [L903] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L315] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L498] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L455] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L457] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___2=1, waterLevel=2] [L463] tmp = __VERIFIER_nondet_int() [L465] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___2=1, waterLevel=2] [L473] tmp___0 = __VERIFIER_nondet_int() [L475] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L483] tmp___2 = __VERIFIER_nondet_int() [L485] COND TRUE \read(tmp___2) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___2=1, waterLevel=2] [L498] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L300] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L302] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L91] COND TRUE waterLevel > 0 [L92] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L302] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L307] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L329] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L332] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L347] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L309] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L315] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L886] int tmp ; [L887] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L891] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L891] tmp = isMethaneLevelCritical() [L893] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L381] int retValue_acc ; [L384] retValue_acc = pumpRunning [L385] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L895] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L895] tmp___0 = isPumpRunning() [L897] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L898] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L900] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L284] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. UNSAFE Result, 2.0s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1264 SDtfs, 737 SDslu, 2416 SDs, 0 SdLazy, 829 SolverSat, 190 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 43 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=525occurred in iteration=10, 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, 10 MinimizatonAttempts, 362 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 709 ConstructedInterpolants, 0 QuantifiedInterpolants, 86830 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...