./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_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_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/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 49fa497f38e3a46185ee804b3f30fdc119cb200c ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 21:49:08,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:49:08,522 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:49:08,528 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:49:08,529 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:49:08,529 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:49:08,530 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:49:08,531 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:49:08,532 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:49:08,533 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:49:08,534 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:49:08,534 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:49:08,534 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:49:08,535 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:49:08,536 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:49:08,536 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:49:08,537 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:49:08,538 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:49:08,540 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:49:08,541 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:49:08,542 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:49:08,543 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:49:08,544 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:49:08,544 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:49:08,544 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:49:08,545 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:49:08,546 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:49:08,546 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:49:08,547 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:49:08,548 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:49:08,548 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:49:08,548 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:49:08,548 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:49:08,549 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:49:08,549 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:49:08,550 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:49:08,550 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 21:49:08,560 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:49:08,560 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:49:08,561 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:49:08,561 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:49:08,561 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 21:49:08,562 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 21:49:08,562 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 21:49:08,562 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:49:08,562 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:49:08,562 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:49:08,562 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:49:08,563 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 21:49:08,564 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:49:08,564 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:49:08,564 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:49:08,564 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:49:08,564 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:49:08,564 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:49:08,565 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:49:08,565 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:49:08,565 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:49:08,565 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 21:49:08,565 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:49:08,565 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:49:08,565 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_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/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 -> 49fa497f38e3a46185ee804b3f30fdc119cb200c [2018-12-02 21:49:08,585 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:49:08,592 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:49:08,594 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:49:08,595 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:49:08,595 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:49:08,595 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-02 21:49:08,629 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/data/5c76807d2/938015e1e749463d8444f447d6d9364e/FLAG6b6630dc2 [2018-12-02 21:49:09,072 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:49:09,073 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/sv-benchmarks/c/product-lines/minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-02 21:49:09,078 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/data/5c76807d2/938015e1e749463d8444f447d6d9364e/FLAG6b6630dc2 [2018-12-02 21:49:09,087 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/data/5c76807d2/938015e1e749463d8444f447d6d9364e [2018-12-02 21:49:09,089 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:49:09,090 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:49:09,090 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:49:09,090 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:49:09,093 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:49:09,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,095 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09, skipping insertion in model container [2018-12-02 21:49:09,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:49:09,123 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:49:09,267 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:49:09,310 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:49:09,362 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:49:09,377 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:49:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09 WrapperNode [2018-12-02 21:49:09,377 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:49:09,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:49:09,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:49:09,378 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:49:09,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:49:09,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:49:09,398 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:49:09,398 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:49:09,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,406 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,417 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... [2018-12-02 21:49:09,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:49:09,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:49:09,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:49:09,419 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:49:09,420 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/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 21:49:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 21:49:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 21:49:09,453 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:49:09,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:49:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 21:49:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 21:49:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 21:49:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 21:49:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 21:49:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 21:49:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 21:49:09,454 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 21:49:09,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 21:49:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 21:49:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 21:49:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 21:49:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 21:49:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 21:49:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 21:49:09,455 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 21:49:09,455 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 21:49:09,456 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 21:49:09,456 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 21:49:09,457 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 21:49:09,457 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 21:49:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 21:49:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:49:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:49:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 21:49:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 21:49:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 21:49:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 21:49:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:49:09,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:49:09,749 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:49:09,749 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 21:49:09,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:49:09 BoogieIcfgContainer [2018-12-02 21:49:09,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:49:09,750 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:49:09,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:49:09,752 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:49:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:49:09" (1/3) ... [2018-12-02 21:49:09,752 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1621db21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:49:09, skipping insertion in model container [2018-12-02 21:49:09,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:49:09" (2/3) ... [2018-12-02 21:49:09,753 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1621db21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:49:09, skipping insertion in model container [2018-12-02 21:49:09,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:49:09" (3/3) ... [2018-12-02 21:49:09,754 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36_false-unreach-call_false-termination.cil.c [2018-12-02 21:49:09,760 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:49:09,765 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:49:09,774 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:49:09,792 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 21:49:09,792 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:49:09,792 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:49:09,792 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:49:09,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:49:09,793 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:49:09,793 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:49:09,793 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:49:09,793 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:49:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2018-12-02 21:49:09,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 21:49:09,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:09,810 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 21:49:09,811 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:09,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:09,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1536210686, now seen corresponding path program 1 times [2018-12-02 21:49:09,816 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:09,816 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:09,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:09,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:09,961 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 21:49:09,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:09,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 21:49:09,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 21:49:09,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 21:49:09,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 21:49:09,974 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 2 states. [2018-12-02 21:49:09,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:09,995 INFO L93 Difference]: Finished difference Result 242 states and 299 transitions. [2018-12-02 21:49:09,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 21:49:09,996 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 21:49:09,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:10,004 INFO L225 Difference]: With dead ends: 242 [2018-12-02 21:49:10,004 INFO L226 Difference]: Without dead ends: 123 [2018-12-02 21:49:10,006 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 21:49:10,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-02 21:49:10,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-02 21:49:10,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-02 21:49:10,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-02 21:49:10,036 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 51 [2018-12-02 21:49:10,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:10,037 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-02 21:49:10,037 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 21:49:10,037 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-02 21:49:10,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 21:49:10,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:10,038 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 21:49:10,039 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:10,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:10,039 INFO L82 PathProgramCache]: Analyzing trace with hash 1301224456, now seen corresponding path program 1 times [2018-12-02 21:49:10,039 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:10,039 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:10,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,040 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:10,040 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:10,098 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 21:49:10,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:10,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:49:10,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:49:10,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:49:10,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:49:10,100 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 3 states. [2018-12-02 21:49:10,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:10,111 INFO L93 Difference]: Finished difference Result 178 states and 207 transitions. [2018-12-02 21:49:10,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:49:10,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 21:49:10,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:10,113 INFO L225 Difference]: With dead ends: 178 [2018-12-02 21:49:10,113 INFO L226 Difference]: Without dead ends: 114 [2018-12-02 21:49:10,113 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 21:49:10,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-12-02 21:49:10,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-12-02 21:49:10,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-12-02 21:49:10,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 131 transitions. [2018-12-02 21:49:10,120 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 131 transitions. Word has length 52 [2018-12-02 21:49:10,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:10,121 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 131 transitions. [2018-12-02 21:49:10,121 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:49:10,121 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 131 transitions. [2018-12-02 21:49:10,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 21:49:10,122 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:10,122 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:49:10,122 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:10,122 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:10,122 INFO L82 PathProgramCache]: Analyzing trace with hash -824255371, now seen corresponding path program 1 times [2018-12-02 21:49:10,122 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:10,122 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:10,123 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:10,205 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 21:49:10,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:10,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:49:10,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:49:10,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:49:10,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:49:10,207 INFO L87 Difference]: Start difference. First operand 114 states and 131 transitions. Second operand 7 states. [2018-12-02 21:49:10,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:10,448 INFO L93 Difference]: Finished difference Result 337 states and 407 transitions. [2018-12-02 21:49:10,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:49:10,448 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-02 21:49:10,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:10,450 INFO L225 Difference]: With dead ends: 337 [2018-12-02 21:49:10,450 INFO L226 Difference]: Without dead ends: 251 [2018-12-02 21:49:10,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:49:10,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-12-02 21:49:10,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 227. [2018-12-02 21:49:10,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-12-02 21:49:10,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 272 transitions. [2018-12-02 21:49:10,468 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 272 transitions. Word has length 57 [2018-12-02 21:49:10,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:10,469 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 272 transitions. [2018-12-02 21:49:10,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:49:10,469 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 272 transitions. [2018-12-02 21:49:10,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-02 21:49:10,470 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:10,470 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] [2018-12-02 21:49:10,470 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:10,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:10,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1248728457, now seen corresponding path program 1 times [2018-12-02 21:49:10,471 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:10,471 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:10,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:10,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:10,543 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 21:49:10,544 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:10,544 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:49:10,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:49:10,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:49:10,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:49:10,545 INFO L87 Difference]: Start difference. First operand 227 states and 272 transitions. Second operand 6 states. [2018-12-02 21:49:10,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:10,670 INFO L93 Difference]: Finished difference Result 607 states and 750 transitions. [2018-12-02 21:49:10,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:49:10,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-02 21:49:10,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:10,674 INFO L225 Difference]: With dead ends: 607 [2018-12-02 21:49:10,674 INFO L226 Difference]: Without dead ends: 408 [2018-12-02 21:49:10,675 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 21:49:10,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-12-02 21:49:10,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 402. [2018-12-02 21:49:10,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2018-12-02 21:49:10,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 484 transitions. [2018-12-02 21:49:10,706 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 484 transitions. Word has length 62 [2018-12-02 21:49:10,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:10,707 INFO L480 AbstractCegarLoop]: Abstraction has 402 states and 484 transitions. [2018-12-02 21:49:10,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:49:10,707 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 484 transitions. [2018-12-02 21:49:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 21:49:10,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:10,710 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] [2018-12-02 21:49:10,710 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:10,710 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:10,710 INFO L82 PathProgramCache]: Analyzing trace with hash -184549563, now seen corresponding path program 1 times [2018-12-02 21:49:10,710 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:10,710 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:10,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,711 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:10,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:10,773 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 21:49:10,773 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:10,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 21:49:10,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:49:10,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:49:10,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:49:10,774 INFO L87 Difference]: Start difference. First operand 402 states and 484 transitions. Second operand 7 states. [2018-12-02 21:49:11,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:11,155 INFO L93 Difference]: Finished difference Result 1059 states and 1368 transitions. [2018-12-02 21:49:11,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 21:49:11,156 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-02 21:49:11,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:11,158 INFO L225 Difference]: With dead ends: 1059 [2018-12-02 21:49:11,158 INFO L226 Difference]: Without dead ends: 685 [2018-12-02 21:49:11,159 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 21:49:11,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 685 states. [2018-12-02 21:49:11,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 685 to 599. [2018-12-02 21:49:11,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2018-12-02 21:49:11,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 721 transitions. [2018-12-02 21:49:11,185 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 721 transitions. Word has length 66 [2018-12-02 21:49:11,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:11,185 INFO L480 AbstractCegarLoop]: Abstraction has 599 states and 721 transitions. [2018-12-02 21:49:11,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:49:11,185 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 721 transitions. [2018-12-02 21:49:11,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 21:49:11,186 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:11,186 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] [2018-12-02 21:49:11,187 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:11,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:11,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1396837609, now seen corresponding path program 1 times [2018-12-02 21:49:11,187 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:11,187 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:11,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:11,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:11,234 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 21:49:11,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:11,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:49:11,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:49:11,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:49:11,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:49:11,235 INFO L87 Difference]: Start difference. First operand 599 states and 721 transitions. Second operand 6 states. [2018-12-02 21:49:11,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:11,265 INFO L93 Difference]: Finished difference Result 1190 states and 1456 transitions. [2018-12-02 21:49:11,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:49:11,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-02 21:49:11,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:11,268 INFO L225 Difference]: With dead ends: 1190 [2018-12-02 21:49:11,268 INFO L226 Difference]: Without dead ends: 619 [2018-12-02 21:49:11,269 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 21:49:11,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2018-12-02 21:49:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 619. [2018-12-02 21:49:11,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 619 states. [2018-12-02 21:49:11,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 619 states and 741 transitions. [2018-12-02 21:49:11,289 INFO L78 Accepts]: Start accepts. Automaton has 619 states and 741 transitions. Word has length 84 [2018-12-02 21:49:11,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:11,290 INFO L480 AbstractCegarLoop]: Abstraction has 619 states and 741 transitions. [2018-12-02 21:49:11,290 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:49:11,290 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 741 transitions. [2018-12-02 21:49:11,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 21:49:11,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:11,291 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] [2018-12-02 21:49:11,291 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:11,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:11,291 INFO L82 PathProgramCache]: Analyzing trace with hash -1511926293, now seen corresponding path program 1 times [2018-12-02 21:49:11,292 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:11,292 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:11,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:11,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:11,349 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 21:49:11,349 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:11,349 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 21:49:11,350 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 21:49:11,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 21:49:11,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:49:11,350 INFO L87 Difference]: Start difference. First operand 619 states and 741 transitions. Second operand 8 states. [2018-12-02 21:49:11,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:11,386 INFO L93 Difference]: Finished difference Result 1238 states and 1526 transitions. [2018-12-02 21:49:11,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:49:11,387 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-02 21:49:11,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:11,389 INFO L225 Difference]: With dead ends: 1238 [2018-12-02 21:49:11,390 INFO L226 Difference]: Without dead ends: 647 [2018-12-02 21:49:11,391 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 21:49:11,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2018-12-02 21:49:11,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 635. [2018-12-02 21:49:11,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 635 states. [2018-12-02 21:49:11,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 635 states and 757 transitions. [2018-12-02 21:49:11,422 INFO L78 Accepts]: Start accepts. Automaton has 635 states and 757 transitions. Word has length 84 [2018-12-02 21:49:11,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:11,423 INFO L480 AbstractCegarLoop]: Abstraction has 635 states and 757 transitions. [2018-12-02 21:49:11,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 21:49:11,423 INFO L276 IsEmpty]: Start isEmpty. Operand 635 states and 757 transitions. [2018-12-02 21:49:11,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 21:49:11,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:11,425 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] [2018-12-02 21:49:11,425 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:11,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:11,425 INFO L82 PathProgramCache]: Analyzing trace with hash 599364076, now seen corresponding path program 1 times [2018-12-02 21:49:11,425 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:11,425 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:11,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:11,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:11,493 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 21:49:11,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:11,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:49:11,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:49:11,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:49:11,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:49:11,494 INFO L87 Difference]: Start difference. First operand 635 states and 757 transitions. Second operand 4 states. [2018-12-02 21:49:11,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:11,640 INFO L93 Difference]: Finished difference Result 2081 states and 2604 transitions. [2018-12-02 21:49:11,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 21:49:11,641 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 84 [2018-12-02 21:49:11,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:11,647 INFO L225 Difference]: With dead ends: 2081 [2018-12-02 21:49:11,647 INFO L226 Difference]: Without dead ends: 1474 [2018-12-02 21:49:11,649 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 21:49:11,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2018-12-02 21:49:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1443. [2018-12-02 21:49:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1443 states. [2018-12-02 21:49:11,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1443 states to 1443 states and 1755 transitions. [2018-12-02 21:49:11,724 INFO L78 Accepts]: Start accepts. Automaton has 1443 states and 1755 transitions. Word has length 84 [2018-12-02 21:49:11,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:11,725 INFO L480 AbstractCegarLoop]: Abstraction has 1443 states and 1755 transitions. [2018-12-02 21:49:11,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:49:11,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1755 transitions. [2018-12-02 21:49:11,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 21:49:11,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:11,727 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, 1] [2018-12-02 21:49:11,727 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:11,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:11,727 INFO L82 PathProgramCache]: Analyzing trace with hash -993730714, now seen corresponding path program 1 times [2018-12-02 21:49:11,728 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:11,728 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:11,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:11,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:11,769 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 21:49:11,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:49:11,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:49:11,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:49:11,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:49:11,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:49:11,770 INFO L87 Difference]: Start difference. First operand 1443 states and 1755 transitions. Second operand 3 states. [2018-12-02 21:49:11,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:11,839 INFO L93 Difference]: Finished difference Result 2210 states and 2765 transitions. [2018-12-02 21:49:11,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:49:11,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2018-12-02 21:49:11,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:11,846 INFO L225 Difference]: With dead ends: 2210 [2018-12-02 21:49:11,846 INFO L226 Difference]: Without dead ends: 2207 [2018-12-02 21:49:11,847 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 21:49:11,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2207 states. [2018-12-02 21:49:11,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2207 to 1837. [2018-12-02 21:49:11,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2018-12-02 21:49:11,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2298 transitions. [2018-12-02 21:49:11,917 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2298 transitions. Word has length 88 [2018-12-02 21:49:11,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:11,917 INFO L480 AbstractCegarLoop]: Abstraction has 1837 states and 2298 transitions. [2018-12-02 21:49:11,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:49:11,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2298 transitions. [2018-12-02 21:49:11,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 21:49:11,922 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:11,922 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 21:49:11,922 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:11,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:11,922 INFO L82 PathProgramCache]: Analyzing trace with hash 823864108, now seen corresponding path program 1 times [2018-12-02 21:49:11,922 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:11,922 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:11,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:11,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:11,982 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 26 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 21:49:11,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:49:11,983 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 21:49:11,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:12,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:49:12,114 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:49:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:49:12,196 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 21:49:12,196 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-02 21:49:12,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:49:12,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:49:12,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:49:12,197 INFO L87 Difference]: Start difference. First operand 1837 states and 2298 transitions. Second operand 6 states. [2018-12-02 21:49:12,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:49:12,724 INFO L93 Difference]: Finished difference Result 4349 states and 5813 transitions. [2018-12-02 21:49:12,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 21:49:12,725 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-02 21:49:12,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:49:12,732 INFO L225 Difference]: With dead ends: 4349 [2018-12-02 21:49:12,732 INFO L226 Difference]: Without dead ends: 2844 [2018-12-02 21:49:12,736 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-02 21:49:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2844 states. [2018-12-02 21:49:12,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2844 to 2562. [2018-12-02 21:49:12,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2562 states. [2018-12-02 21:49:12,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 2562 states and 3281 transitions. [2018-12-02 21:49:12,841 INFO L78 Accepts]: Start accepts. Automaton has 2562 states and 3281 transitions. Word has length 135 [2018-12-02 21:49:12,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:49:12,841 INFO L480 AbstractCegarLoop]: Abstraction has 2562 states and 3281 transitions. [2018-12-02 21:49:12,841 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:49:12,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2562 states and 3281 transitions. [2018-12-02 21:49:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-12-02 21:49:12,844 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:49:12,844 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:49:12,845 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:49:12,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:49:12,845 INFO L82 PathProgramCache]: Analyzing trace with hash -1996942234, now seen corresponding path program 1 times [2018-12-02 21:49:12,845 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 21:49:12,845 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 21:49:12,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:12,845 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:49:12,845 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:49:12,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:49:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 21:49:12,933 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 21:49:13,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:49:13 BoogieIcfgContainer [2018-12-02 21:49:13,018 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:49:13,018 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:49:13,018 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:49:13,018 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:49:13,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:49:09" (3/4) ... [2018-12-02 21:49:13,020 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-12-02 21:49:13,104 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_685d6a55-f0b7-41d5-85f0-064e8ef9c23e/bin-2019/uautomizer/witness.graphml [2018-12-02 21:49:13,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:49:13,105 INFO L168 Benchmark]: Toolchain (without parser) took 4015.96 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 312.5 MB). Free memory was 951.7 MB in the beginning and 980.4 MB in the end (delta: -28.7 MB). Peak memory consumption was 283.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:49:13,106 INFO L168 Benchmark]: CDTParser took 0.11 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 21:49:13,106 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:49:13,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.54 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 21:49:13,106 INFO L168 Benchmark]: Boogie Preprocessor took 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:49:13,106 INFO L168 Benchmark]: RCFGBuilder took 330.26 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. [2018-12-02 21:49:13,106 INFO L168 Benchmark]: TraceAbstraction took 3268.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:49:13,107 INFO L168 Benchmark]: Witness Printer took 86.51 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 980.4 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. [2018-12-02 21:49:13,107 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 287.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -164.5 MB). Peak memory consumption was 25.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.43 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 330.26 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: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3268.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 38.3 MB). Peak memory consumption was 218.7 MB. Max. memory is 11.5 GB. * Witness Printer took 86.51 ms. Allocated memory is still 1.3 GB. Free memory was 1.0 GB in the beginning and 980.4 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 900]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L310] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L545] int cleanupTimeShifts = 4; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L905] int methAndRunningLastTime ; VAL [\old(cleanupTimeShifts)=198, \old(head)=182, \old(head)=200, \old(methAndRunningLastTime)=188, \old(methaneLevelCritical)=151, \old(pumpRunning)=138, \old(systemActive)=137, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L623] int retValue_acc ; [L624] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L628] FCALL select_helpers() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L629] FCALL select_features() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L630] CALL, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L536] int retValue_acc ; [L539] retValue_acc = 1 [L540] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L630] RET, EXPR valid_product() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L630] tmp = valid_product() [L632] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L634] FCALL setup() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L635] CALL runTest() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] CALL __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L910] methAndRunningLastTime = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L616] RET __utac_acc__Specification2_spec__1() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L617] CALL test() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L845] tmp = __VERIFIER_nondet_int() [L847] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L849] CALL waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L65] COND TRUE waterLevel < 2 [L66] waterLevel = waterLevel + 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L849] RET waterRise() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L859] CALL changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L77] COND FALSE !(\read(methaneLevelCritical)) [L80] methaneLevelCritical = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L859] RET changeMethaneLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L659] COND FALSE !(\read(pumpRunning)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L691] COND TRUE ! pumpRunning VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] CALL, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L785] int retValue_acc ; [L786] int tmp ; [L787] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] CALL, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L127] int retValue_acc ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L130] COND FALSE !(waterLevel < 2) [L134] retValue_acc = 0 [L135] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L791] RET, EXPR isHighWaterSensorDry() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterSensorDry()=0, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L791] tmp = isHighWaterSensorDry() [L793] COND FALSE !(\read(tmp)) [L796] tmp___0 = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=0, tmp___0=1, waterLevel=2] [L798] retValue_acc = tmp___0 [L799] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \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] [L693] RET, EXPR isHighWaterLevel() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isHighWaterLevel()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L693] tmp = isHighWaterLevel() [L695] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, tmp=1, waterLevel=2] [L697] CALL activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L716] pumpRunning = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L697] RET activatePump() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=2] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=2] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L927] COND FALSE !(\read(methAndRunningLastTime)) [L932] methAndRunningLastTime = 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=2] [L674] RET __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L884] RET timeShift() VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L837] COND TRUE 1 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L839] COND TRUE splverifierCounter < 4 VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=1, tmp___1=0, tmp___2=0, waterLevel=2] [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___2)) [L873] tmp___1 = __VERIFIER_nondet_int() [L875] COND FALSE !(\read(tmp___1)) VAL [\old(methAndRunningLastTime)=0, \old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, splverifierCounter=0, systemActive=1, tmp=0, tmp___0=0, tmp___1=0, tmp___2=0, waterLevel=2] [L884] CALL timeShift() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L659] COND TRUE \read(pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L661] CALL lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L53] COND TRUE waterLevel > 0 [L54] waterLevel = waterLevel - 1 VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L661] RET lowerWaterLevel() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L666] COND TRUE \read(systemActive) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] CALL processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L688] int tmp ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L691] COND FALSE !(! pumpRunning) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L706] FCALL processEnvironment__wrappee__base() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L668] RET processEnvironment() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L674] CALL __utac_acc__Specification2_spec__2() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L915] int tmp ; [L916] int tmp___0 ; VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] CALL, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L920] RET, EXPR isMethaneLevelCritical() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L920] tmp = isMethaneLevelCritical() [L922] COND TRUE \read(tmp) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] CALL, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L740] int retValue_acc ; [L743] retValue_acc = pumpRunning [L744] return (retValue_acc); VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, \result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, retValue_acc=1, systemActive=1, waterLevel=1] [L924] RET, EXPR isPumpRunning() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=1, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, waterLevel=1] [L924] tmp___0 = isPumpRunning() [L926] COND TRUE \read(tmp___0) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L927] COND TRUE \read(methAndRunningLastTime) VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, tmp=1, tmp___0=1, waterLevel=1] [L929] CALL __automaton_fail() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=1, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=1] [L900] __VERIFIER_error() VAL [\old(methAndRunningLastTime)=1, \old(methaneLevelCritical)=0, \old(pumpRunning)=1, \old(systemActive)=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 27 procedures, 136 locations, 1 error locations. UNSAFE Result, 3.2s OverallTime, 11 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1594 SDtfs, 1109 SDslu, 3032 SDs, 0 SdLazy, 1219 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 227 GetRequests, 177 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2562occurred 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: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 811 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1029 NumberOfCodeBlocks, 1029 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 887 ConstructedInterpolants, 0 QuantifiedInterpolants, 126317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 11 InterpolantComputations, 10 PerfectInterpolantSequences, 70/72 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...